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LED brake/turn/tail threads.
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DieselJeep
Posted 2017-10-23 9:17 AM (#550847)
Subject: LED brake/turn/tail threads.



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Hey all,
I have been searching for the thread/s that have in depth LED brake and turn retro-fit details, but having little luck.
I DID find "serge"'s awesome writeups about LED headlights and the ring LED's(LOVE those!!), and earmarked them.
But there was another that was using the common 1157(?) LEDs, and went on to explain the resistors and whatnot required.

Thanks to the HELPFUL, CONSTRUCTIVE folks here that agree with me, that increased safety is priority, especially when easy and inexpensive.



Edited by DieselJeep 2017-10-23 9:18 AM
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56D500boy
Posted 2017-10-23 11:00 AM (#550853 - in reply to #550847)
Subject: RE: LED brake/turn/tail threads.



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You might want to go through my thread where I document the use of red LED 1157 bulbs

Adding more taillights to a 56 Dodge Custom Royal:

http://www.forwardlook.net/forums/forums/thread-view.asp?tid=64943&...





Edited by 56D500boy 2017-10-23 11:43 AM
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DieselJeep
Posted 2017-10-23 11:19 AM (#550854 - in reply to #550847)
Subject: Re: LED brake/turn/tail threads.



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FANTASTIC!
I also appreciate the dual filament socket retrofit info, as all the sockets are single in Fireflite.
I am determined to have FOUR brake and TWO turn lights illuminating when the project is complete!!

Much Appreciation!!
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jboymechanic
Posted 2017-10-23 5:07 PM (#550880 - in reply to #550847)
Subject: Re: LED brake/turn/tail threads.



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I've thought about turning my backup lights into brake lights to improve visibility as well.
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DieselJeep
Posted 2017-10-27 8:50 AM (#551165 - in reply to #550847)
Subject: Re: LED brake/turn/tail threads.



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We have a '58 Fireflite, so we were planning on making the sockets dual circuit. That way there are 4 "running/driving" lights, 2 turn per side, and 4 brake lights. However, I love the idea of ring LED's. I can't find the thread that someone actually used the original one circuit sockets, with a resistor I believe, that would differentiate between the inputs to the bulbs for the same result.

And of course, using LED's for the reverse lights, so you can actually have enough light to see. I would be leery of eliminating that, backing up an 18ft car in the dark.



Edited by DieselJeep 2017-10-27 8:52 AM
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wizard
Posted 2017-10-27 9:06 AM (#551167 - in reply to #550847)
Subject: Re: LED brake/turn/tail threads.



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I have LED's instead of filament bulbs in almost all receptacles.
These sweet ones gives all the turn-signal/brake light one can wish for http://www.mercurycougar.net/forums/showthread.php?91098-New-1157-q...
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56D500boy
Posted 2017-10-27 11:54 AM (#551183 - in reply to #551165)
Subject: Re: LED brake/turn/tail threads.



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DieselJeep - 2017-10-27 8:50 AM
And of course, using LED's for the reverse lights, so you can actually have enough light to see. I would be leery of eliminating that, backing up an 18ft car in the dark.


This was my solution to losing (on purpose) my OE back-up lights when I converted them to stop/running/signal lights, a United Pacific LED licence plate surround. 14 LEDs, 7 per side.



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matte
Posted 2017-11-25 2:01 PM (#553115 - in reply to #550847)
Subject: Re: LED brake/turn/tail threads.



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So for rear lights which has turn signal, brake light and park lights all in one, the double fitment LED bulb will work?

Also will have to ad resistors for the turn signals?

Just read Dave's link so that answered my question about the flasher unit..





Edited by matte 2017-11-25 2:06 PM
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56D500boy
Posted 2017-11-25 3:39 PM (#553120 - in reply to #553115)
Subject: Re: LED brake/turn/tail threads.



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matte - 2017-11-25 2:01 PM

So for rear lights which has turn signal, brake light and park lights all in one, the double fitment LED bulb will work? Also will have to ad resistors for the turn signals?
Just read Dave's link so that answered my question about the flasher unit..


In terms of what "filaments" are powered, either with an incandescent filament bulb or the LED bulb, the control is handled by the signal light control system. When you have the lights on ("Parking" or "ON"), the low output filament/LED is powered, i.e. the running lights are on. When you step on the brake, the high(er) output filament/LEDs are powered. When you put the the signal lights on, e.g. left turn, the left side high output filament(s) are powered. When you have the brakes ON and a signal light on, the circuit inside the steering wheel signal light control gives priority to the signal light for the high output filament/LED, i.e. the stop light on that side is disabled while the signal light is on. It is all done mechanically, no computer logic circuits required.

On the other hand, I solved the flasher problem with the LEDs by going to an electronic flasher (that just plugged into the same socket that the mechanical socket had been).



Edited by 56D500boy 2017-11-25 3:42 PM




(56DodgeLightingCircuitDiagram_1_small.jpg)



Attachments
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Attachments 56DodgeLightingCircuitDiagram_1_small.jpg (180KB - 13 downloads)
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matte
Posted 2017-11-26 3:44 PM (#553187 - in reply to #553120)
Subject: Re: LED brake/turn/tail threads.



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Sorry Dave, that's not what I meant. I rewired under my dash and rear wire harness so I understand how the setup is.

What I mean is can I use any LED that has a double filament for the 3 in one tailight? Meaning I've seen a few styles of LED twins but do they all do the same?

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wizard
Posted 2017-11-26 4:06 PM (#553189 - in reply to #550847)
Subject: Re: LED brake/turn/tail threads.



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The 1157 LED's works just fine, 2 LED different in lumen. These ones are outstanding http://www.mercurycougar.net/forums/showthread.php?91098-New-1157-q...

No need for any resistors, just change the flasher relay to one adapted for LED's

You might be interested in the switchback 1157 LED's for the front parking light/flasher https://www.amazon.com/slp/switchback-led-turn-signals/wowuqsd7rzzu9...

I run with this combination, very Bright and adds extra safety - practically no consumption.....
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1960fury
Posted 2017-11-26 5:17 PM (#553191 - in reply to #553189)
Subject: Re: LED brake/turn/tail threads.



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wizard - 2017-11-26 4:06 PM

The 1157 LED's works just fine, 2 LED different in lumen. These ones are outstanding http://www.mercurycougar.net/forums/showthread.php?91098-New-1157-q...

No need for any resistors, just change the flasher relay to one adapted for LED's

You might be interested in the switchback 1157 LED's for the front parking light/flasher https://www.amazon.com/slp/switchback-led-turn-signals/wowuqsd7rzzu9...

I run with this combination, very Bright and adds extra safety - practically no consumption.....

_____

The "outstanding" type did not work in my 60 Fury. Brake/turn yes but normal driving lights didn't. i checked it with an outside 12v source wired directly to the low beam circuit and it did work but seemed to be as bright as the high beam. why it didn't work in my car with oe sockets that worked for any other bulb i do not know.

Edited by 1960fury 2017-11-26 5:19 PM
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wizard
Posted 2017-11-27 12:50 AM (#553216 - in reply to #550847)
Subject: Re: LED brake/turn/tail threads.



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Strange, one might be a monday exampple, but not two.

As long as I only had the switchback LED's in the front parking/flashers I used my normal flasher relay, but when I changed the tail light to plasma LED's I had to mount a LED flasher relay due to the very low consumption.

I had the same probem as you describe with "el cheapo" red normal 1157 LED's in a Pontiac Catalina '66 - they just didn't work together with the switchback LED's and had the same lumen in both flasher/brake as driving lights. Mounted back the normal bulbs - no problem. Mounted high quality LED's - no problem.
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Powerflite
Posted 2017-11-27 2:15 PM (#553241 - in reply to #550847)
Subject: Re: LED brake/turn/tail threads.



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I've had impressive results with the 5630 type of LED's. These typically have a large CREE bulb at the end of them too. Very bright bulbs and nice uniform light. Got them off Ebay.

https://www.ebay.com/itm/2pcs-Cree-Chip-Led-1157-BAY15D-12-led-5630-...

Edited by Powerflite 2017-11-27 2:24 PM
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1960fury
Posted 2017-11-27 2:27 PM (#553242 - in reply to #553216)
Subject: Re: LED brake/turn/tail threads.



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wizard - 2017-11-27 12:50 AM

Strange, one might be a monday exampple, but not two.

As long as I only had the switchback LED's in the front parking/flashers I used my normal flasher relay, but when I changed the tail light to plasma LED's I had to mount a LED flasher relay due to the very low consumption.

I had the same probem as you describe with "el cheapo" red normal 1157 LED's in a Pontiac Catalina '66 - they just didn't work together with the switchback LED's and had the same lumen in both flasher/brake as driving lights. Mounted back the normal bulbs - no problem. Mounted high quality LED's - no problem.


the ones that didn't work were $20 including shipping a pair, not sure if that qualifies as "el cheapo". i believe all LEDs are from china.
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wizard
Posted 2017-11-27 3:07 PM (#553249 - in reply to #550847)
Subject: Re: LED brake/turn/tail threads.



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The ones I bought has a cost of roundabout $30 for a pair Sid https://secure.cougarpartscatalog.com/plasma6.html

The ones that didn't work on the Catalina '66 had a similar cost as the ones you bought.
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wizard
Posted 2017-11-27 3:18 PM (#553250 - in reply to #553241)
Subject: Re: LED brake/turn/tail threads.



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Powerflite - 2017-11-27 8:15 PM

I've had impressive results with the 5630 type of LED's. These typically have a large CREE bulb at the end of them too. Very bright bulbs and nice uniform light. Got them off Ebay.

https://www.ebay.com/itm/2pcs-Cree-Chip-Led-1157-BAY15D-12-led-5630-...

Nice price - please let us know if theres any issues or if it's a good Product!
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Powerflite
Posted 2017-11-27 4:57 PM (#553252 - in reply to #550847)
Subject: Re: LED brake/turn/tail threads.



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I have been using them for 2 years now without issues.
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1960fury
Posted 2017-11-27 7:28 PM (#553255 - in reply to #553249)
Subject: Re: LED brake/turn/tail threads.



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wizard - 2017-11-27 3:07 PM

The ones I bought has a cost of roundabout $30 for a pair Sid https://secure.cougarpartscatalog.com/plasma6.html

The ones that didn't work on the Catalina '66 had a similar cost as the ones you bought.


these were the ones that didn't work:


https://www.ebay.com/itm/2x-BAY15D-1157-380-RED-COLOR-CREE-XB-D-16-S...



Edited by 1960fury 2017-11-27 7:31 PM
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Powerflite
Posted 2017-11-27 7:52 PM (#553257 - in reply to #550847)
Subject: Re: LED brake/turn/tail threads.



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This is a weird "feature" that they slip into the disclaimer: "If the LED does not light up, simply flip it 180 degrees (reverse the polarity) "

That's pretty lame to issue that as a possibility. It's not like we have the option to easily reverse polarity on these things.
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spinout
Posted 2017-12-06 10:17 AM (#553792 - in reply to #553249)
Subject: Re: LED brake/turn/tail threads.



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wizard - 2017-11-28 12:07 AM
The ones I bought has a cost of roundabout $30 for a pair Sid https://secure.cougarpartscatalog.com/plasma6.html


Today I ordered pair of LED 1157 bulbs from Hong Kong (eBay #361948876898), which look 100% same as those ones in Cougar parts store. They cost
GBP £5.38, free shipping. Interesting point is, that the seller doesn't ship to the United States No big loss if I'm not fully satisfied with them.

Edited by spinout 2017-12-06 10:34 AM
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1960fury
Posted 2017-12-09 10:35 AM (#553966 - in reply to #553792)
Subject: Re: LED brake/turn/tail threads.



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spinout - 2017-12-06 10:17 AM

wizard - 2017-11-28 12:07 AM
The ones I bought has a cost of roundabout $30 for a pair Sid https://secure.cougarpartscatalog.com/plasma6.html


Today I ordered pair of LED 1157 bulbs from Hong Kong (eBay #361948876898), which look 100% same as those ones in Cougar parts store. They cost
GBP £5.38, free shipping. Interesting point is, that the seller doesn't ship to the United States No big loss if I'm not fully satisfied with them.



the number doesn't work. can you post a link or the sellers id? i think i will try again. I'm running (old style) LEDs that are brighter than the bulbs but still hard to see in bright sunlight.
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spinout
Posted 2017-12-09 11:42 AM (#553970 - in reply to #553966)
Subject: Re: LED brake/turn/tail threads.



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1960fury - 2017-12-09 7:35 PM
the number doesn't work. can you post a link or the sellers id? i think i will try again. I'm running (old style) LEDs that are brighter than the bulbs but still hard to see in bright sunlight.


Sure the number does work... I tested it. Advanced search -> Enter keywords or item number. Here's the direct LINK.
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1960fury
Posted 2017-12-09 3:28 PM (#553989 - in reply to #550847)
Subject: Re: LED brake/turn/tail threads.



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I used advanced search. thanks for the link!
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1960fury
Posted 2017-12-20 4:56 PM (#554743 - in reply to #550847)
Subject: Re: LED brake/turn/tail threads.



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okay, after scratching my head about this for some time "i" found out why the bulbs didn't work (hope the other set i bought doesn't have this feature):


https://www.youtube.com/watch?v=tci97uxfptA
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ttotired
Posted 2017-12-21 1:59 AM (#554765 - in reply to #550847)
Subject: Re: LED brake/turn/tail threads.



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Easy. Put a diode in the circuit to block the earth from the flasher unit

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1960fury
Posted 2017-12-21 10:06 AM (#554781 - in reply to #554765)
Subject: Re: LED brake/turn/tail threads.



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ttotired - 2017-12-21 1:59 AM

Easy. Put a diode in the circuit to block the earth from the flasher unit



yes, thats what they suggest in the YT comments too but i'm not going to mess around with the OE wiring just to install a faulty chinese bulb. i want it clean and i'm not going to cut anything original.

Edited by 1960fury 2017-12-21 2:25 PM
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Old Ray
Posted 2017-12-21 11:48 AM (#554791 - in reply to #550847)
Subject: RE: LED brake/turn/tail threads.



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I found this thread hard to understand but I'm old, so I'm not sure if this helps or has been mentioned, but to get my shop truck with all LED's bulbs to work I had to use this flasher.

http://www.ebay.ca/itm/2-Prong-Electronic-LED-Compatible-Turn-Signa...



(FLASHER LED.jpg)



Attachments
----------------
Attachments FLASHER LED.jpg (6KB - 9 downloads)
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Powerflite
Posted 2017-12-21 1:35 PM (#554802 - in reply to #550847)
Subject: Re: LED brake/turn/tail threads.



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That's the same flasher that I used without any issues, except I don't think mine had an extra wire hanging from it.

Edited by Powerflite 2017-12-21 1:36 PM
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BigBlockMopar
Posted 2017-12-21 4:22 PM (#554808 - in reply to #550847)
Subject: Re: LED brake/turn/tail threads.



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Last year I bought a pair of these cheapo's;

https://www.aliexpress.com/item/12V-BAY15D-1157-Red-AX-2835-33-SMD-L...

Never got around to try to actually try them until last week in my '73 Dart.
Either as front signal/running lights or rear taillight/turn signals, they simply work by just changing the bulbs in the sockets.

The flasher unit also still blinks at a normal speed. They are much brighter than the original bulbs.
I bought the White LEDs, but for taillights you'd need the Red ones for a more reddish light.

Now as I only had a pair of these I didn't try running them on all 4 corners to see how the (emergency) flasher unit reacts, but I've been running them for a week now as taillights in my 'Dart without issues.

I've ordered red ones and some more white ones now, and also a bunch of dual contact/single filament LED-bulbs for interior/backup or trunk lighting.
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spinout
Posted 2017-12-22 1:12 PM (#554868 - in reply to #554802)
Subject: Re: LED brake/turn/tail threads.



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I received 2 "Cougar" LED 1157 bulbs from Hong Kong today from the link I provided above. Looks nice, not tested yet.

I also noticed one seller in Hong Kong is selling 2-prong LED compatible turn signal flasher relays for £0.99 + shipping £0.99.
Nobody western seller can beat these prices..
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lozrox58
Posted 2017-12-30 3:33 PM (#555251 - in reply to #553257)
Subject: Re: LED brake/turn/tail threads.



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Powerflite - 2017-11-28 9:52 AM

This is a weird "feature" that they slip into the disclaimer: "If the LED does not light up, simply flip it 180 degrees (reverse the polarity) "

That's pretty lame to issue that as a possibility. It's not like we have the option to easily reverse polarity on these things.


The retrofit LED globes work only for negative earth applications.
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1960fury
Posted 2018-01-07 11:49 AM (#555776 - in reply to #550847)
Subject: Re: LED brake/turn/tail threads.



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the chinese 1157 leds all seem to be crap as the difference between running light and stop/directional light is too small. seems like they gave the running light the 21w and the stop/directional light the 5w power.
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wizard
Posted 2018-01-07 12:02 PM (#555777 - in reply to #550847)
Subject: Re: LED brake/turn/tail threads.



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That's the core problem Sid, buat waht they did is somewhat different;

1157 normal bulbs has 3 watt for driving light and 32 watt for flasher/brake
21/5 normal bulbs has 5 watt for driving light and 25 watt for flasher/brake

The "el cheapo" LEDS's has a higher lumen on the "3 watt" light and a lower lumen on the "21" watt light, hence no big difference and in fact very dangerously.

The expensive "Plasma LED's" has a very big difference in lumen between driving light and flasher/brake light.

A friend of mine bought the "Hong Kong" Plasma LED's - wait until I have tested them.................
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Powerflite
Posted 2018-01-07 12:49 PM (#555780 - in reply to #550847)
Subject: Re: LED brake/turn/tail threads.



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That kind of problem is easy enough to fix. These things draw almost no current - especially for the driving lights. So just put a resistor of the desired value in series with it and you will be done.
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BigBlockMopar
Posted 2018-01-07 1:35 PM (#555781 - in reply to #550847)
Subject: Re: LED brake/turn/tail threads.



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Isn't the (whole?) idea behind using led-lighting to lower the power consumption of lighting components? Seems kinda contradictory to cancel that with heat generating resistors again.

I recently installed some more of those LEDS I posted earlier, but there were a few issues that prevent 4 of them to be used together.
Next to the white ones I also got red LEDS, to be used in the taillight housings (or so I thought).

When I installed 2 whites in front and 2 reds in the back, they wouldn't blink. This is the part where the resistance is too little to notice for the original flasher.
An appropiate flasher-unit is needed.

But another thing I noticed (when just installing LEDS in the taillight-units and regular bulbs at the front), was that the taillight LEDS were blinking the regular taillights OFF and ON, instead of the blinking/flashing the brake-lights ON and OFF.
On the front of the car, when installing white LEDS in the front, they operate as expected by flashing the ON and OFF.

So for the rear taillights, the red LEDS I have look like they are wired 'wrong' internally at the moment.
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wizard
Posted 2018-01-07 3:56 PM (#555795 - in reply to #550847)
Subject: Re: LED brake/turn/tail threads.



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Spot on Herman, yes, of course we are after the lower consumption and a higher lumen. Adding resistors takes away the first criteria.

If anything, there might be a need of adding a diode here and there for to prevent backcurrent lighting up other led's.

I have this issue with my led's in the push button units - they glow very weak when the brake lights are on.......
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1960fury
Posted 2018-01-07 7:30 PM (#555808 - in reply to #555795)
Subject: Re: LED brake/turn/tail threads.



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new cars have retina scorching brake lights and people are getting used to it, i'll have to do something. i have leds for several years that are an improvement but not nearly as bright as on new cars.
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drosera88
Posted 2018-01-08 4:29 AM (#555833 - in reply to #554791)
Subject: RE: LED brake/turn/tail threads.



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Old Ray - 2017-12-21 10:48 AM

I found this thread hard to understand but I'm old, so I'm not sure if this helps or has been mentioned, but to get my shop truck with all LED's bulbs to work I had to use this flasher.

http://www.ebay.ca/itm/2-Prong-Electronic-LED-Compatible-Turn-Signal-Flasher-Relay-EF32RL-Round-25-Amp/131836856669?hash=item1eb216c95d:g:hekAAOSwk-1aIm7R&vxp=mtr


 

I know the feeling. I'm not old, but I know jack about anything electrical. I basically go straight to my mechanic if I suspect electrical problems.



Edited by drosera88 2018-01-08 4:30 AM
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1960fury
Posted 2018-01-31 8:24 AM (#557260 - in reply to #553966)
Subject: Re: LED brake/turn/tail threads.



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1960fury - 2017-12-09 10:35 AM

spinout - 2017-12-06 10:17 AM

wizard - 2017-11-28 12:07 AM
The ones I bought has a cost of roundabout $30 for a pair Sid https://secure.cougarpartscatalog.com/plasma6.html


Today I ordered pair of LED 1157 bulbs from Hong Kong (eBay #361948876898), which look 100% same as those ones in Cougar parts store. They cost
GBP £5.38, free shipping. Interesting point is, that the seller doesn't ship to the United States No big loss if I'm not fully satisfied with them.



the number doesn't work. can you post a link or the sellers id? i think i will try again. I'm running (old style) LEDs that are brighter than the bulbs but still hard to see in bright sunlight.


okay, got these and tried them.... they don't work either, same problem. no running light.

Edited by 1960fury 2018-01-31 2:59 PM
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wizard
Posted 2018-02-02 5:22 AM (#557370 - in reply to #550847)
Subject: Re: LED brake/turn/tail threads.



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Okey guys, I just tested the same ones as Sid refers to.

Tested in a Pontiac Catalina 66 - 4 rear lamps;

Condition, driving light on;
Flasher rear - good strong light
Flasher front (switchback LEDs) - flasher works but the parking light flashes with the same rythm
Flasher relay goes crazy with double flips (LED-relay)
Brake light - good strong light
Driving light - good strong light at a proper level in comparison with the brake/flasher

Condition, driving light off
Everything works splendid

There seems to be a leakage internally in the led-lamps, therefor not working with the Classic cars
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spinout
Posted 2018-02-02 7:30 AM (#557373 - in reply to #557370)
Subject: Re: LED brake/turn/tail threads.



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Location: Bjorneborg, Finland
Nice to know your testing results, wizzz.. I haven't tested the hongkong LED bulbs yet (my cars are away from me in the winter), but referring to the
results these might fit well to the taillamps (driving/brake) of my 70's European car where rear turn signals are in separate bulbs (amber lenses).

Edited by spinout 2018-02-02 7:46 AM
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wizard
Posted 2018-02-02 10:31 AM (#557380 - in reply to #550847)
Subject: Re: LED brake/turn/tail threads.



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I'll test with normal bulbs in the front flashers instead of the switchback leds and see what that gives.

The expensive ones from https://secure.cougarpartscatalog.com/plasma2.html works without any problems, even combined with the switchback front led's
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1960fury
Posted 2018-02-02 1:23 PM (#557385 - in reply to #557370)
Subject: Re: LED brake/turn/tail threads.



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wizard - 2018-02-02 5:22 AM

Okey guys, I just tested the same ones as Sid refers to.



got mine from that ebay source, cheap, not the expensive ones from cougar, they look the same but that doesn't mean they are.

https://www.ebay.com/itm/Red-1157-High-Power-BAY15D-7-5W-LED-Car-Bra...



Edited by 1960fury 2018-02-02 1:36 PM
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mikes2nd
Posted 2018-02-02 1:40 PM (#557388 - in reply to #550847)
Subject: Re: LED brake/turn/tail threads.


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those work just plugging in? with the led flasher(Have to have that no matter) right?
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1960fury
Posted 2018-02-02 1:58 PM (#557390 - in reply to #550847)
Subject: Re: LED brake/turn/tail threads.



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i'm going to replace the flasher with a led one and try again but i never touched that piece in 30 years driving that car and it still works, wouldn't be surprised if its OE from 1959..... so i feel not good about it:C
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wizard
Posted 2018-02-02 2:08 PM (#557391 - in reply to #557388)
Subject: Re: LED brake/turn/tail threads.



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mikes2nd - 2018-02-02 7:40 PM

those work just plugging in? with the led flasher(Have to have that no matter) right?

The expensive ones works like a Dream, plug and play - if you have bulbs in the front flasher you don't need any LED flasher.
I have switchback led's in the front and plasma led's in the rear, so a LED flasher is necessary.
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BigBlockMopar
Posted 2018-02-02 2:23 PM (#557393 - in reply to #550847)
Subject: Re: LED brake/turn/tail threads.



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Here are two links to my site with my current findings about LEDs (in my '73 Dart).
This week I received a number of LED-flashers which I'll be trying it this weekend.

1st:
https://www.bigblockmopar.nl/2018/01/1973-dodge-dart-led-lighting/
2nd:
https://www.bigblockmopar.nl/2018/01/led-turnsignal-lights/
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Powerflite
Posted 2018-02-02 8:45 PM (#557417 - in reply to #550847)
Subject: Re: LED brake/turn/tail threads.



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When I swapped LED's in the rear of my DeSoto, the front lights were still regular bulbs, but nevertheless, I had to use the electronic flasher to get them to flash properly. So it all depends on the current draw and how sensitive your old flasher is. But in general, it is best to swap to electronic if you introduce any LED in the the system.
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wizard
Posted 2018-02-03 8:28 AM (#557430 - in reply to #557370)
Subject: Re: LED brake/turn/tail threads.



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wizard - 2018-02-02 11:22 AM

Okey guys, I just tested the same ones as Sid refers to.

Tested in a Pontiac Catalina 66 - 4 rear lamps;

Condition, driving light on;
Flasher rear - good strong light
Flasher front (switchback LEDs) - flasher works but the parking light flashes with the same rythm
Flasher relay goes crazy with double flips (LED-relay)
Brake light - good strong light
Driving light - good strong light at a proper level in comparison with the brake/flasher

Condition, driving light off
Everything works splendid

There seems to be a leakage internally in the led-lamps, therefor not working with the Classic cars



New test in a Pontiac Catalina 66 - 4 rear led lamps;

Condition, driving light on;
Flasher rear - good strong light
Flasher front (normal 1157 bulbs)
Brake light - good strong light
Driving light - good strong light at a proper level in comparison with the brake/flasher

Everything works just fine with normal bulbs in the front flasher/park lights.

Conclusion, there's a back-current leak in the cheap plasma led's that gives problems with combination of other led's.
Most probably this can be solved by adding some diodes - but then it will become a Project rather than plug and play.

The expensive "Cougar Led's" works flawless with whatever combo that I tested so far.
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