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58 chrysler brake lights wierd question
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Landyacht67
Posted 2023-10-12 7:29 PM (#632296)
Subject: 58 chrysler brake lights wierd question



Member

Posts: 41
25
Location: Langley BC Canada		I know that the rear brake lights are interlinked with the rear signals, but this has me confused.
Both rear turn signals illuminate correctly, but only the left brake light illuminates. If the right signal didn't work I'd figure bulb, ground etc. but the signal and running light both work, just no brake on that side. Any suggestions?
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Old Ray
Posted 2023-10-12 7:40 PM (#632297 - in reply to #632296)
Subject: RE: 58 chrysler brake lights wierd question



Extreme Veteran

Posts: 507
500
Location: Invermere B.C. Canada - Rocky Mountains

Wild a$s guess.

Turn signal switch not making contact with the brake light input in the right turn postion. 

Maybe spray some contact cleaner in or look into the guts of the switch.  

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Powerflite
Posted 2023-10-12 10:02 PM (#632298 - in reply to #632296)
Subject: Re: 58 chrysler brake lights wierd question



Expert 5K+

Posts: 9672
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Location: So. Cal		Yep, the problem lies in your turn signal switch.
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56D500boy
Posted 2023-10-12 10:59 PM (#632300 - in reply to #632296)
Subject: RE: 58 chrysler brake lights wierd question



Expert 5K+

Posts: 9905
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Location: Lower Mainland BC		.
I agree with Old Ray and Powerflite: Most likely the turn signal switch.

I has 6 wires going to it and it decides what the priority is, i.e. brake lights or signals. When working correctly, it will direct power to the signal light over the brake light. (The otherside brake light will be on, but the side with the blinker on, the power goes to the signal light filament).

The back of a typical switch:




REFERENCE: http://www.forwardlook.net/forums/forums/thread-view.asp?tid=75266&...





(1595236TurnSignalSwitch_1.jpg)



(1595236TurnSignalSwitch_2.jpg)



(Later1769321SwitchWithWires_2_Connections.jpg)



Attachments
----------------
Attachments 1595236TurnSignalSwitch_1.jpg (145KB - 34 downloads)
Attachments 1595236TurnSignalSwitch_2.jpg (148KB - 42 downloads)
Attachments Later1769321SwitchWithWires_2_Connections.jpg (103KB - 44 downloads)
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ToMopar
Posted 2023-10-13 3:13 AM (#632303 - in reply to #632298)
Subject: Re: 58 chrysler brake lights wierd question



Elite Veteran

Posts: 1159
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Location: D-70199 Heslach
Powerflite - 2023-10-13 3:02 AM

Yep, the problem lies in your turn signal switch.


these kind of problems always in the turn signal switches,- I had the identical thing in a 69 barracuda
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56D500boy
Posted 2023-10-13 9:33 AM (#632306 - in reply to #632303)
Subject: Re: 58 chrysler brake lights wierd question



Expert 5K+

Posts: 9905
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Location: Lower Mainland BC		.
The part number for the 1957-58 (and maybe 59) signal light switch is 1769 321.

They are available a few places:

https://www.moparmall.com/MoPar-PN-1769321-1704620-Turn-Signal-Switc...

https://www.hiltopautoparts.com/product/nos-mopar-turn-signal-switch...

Some come pre-wired, plug and play:



REFERENCE: http://www.forwardlook.net/forums/forums/thread-view.asp?tid=78638&...



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ronbo97
Posted 2023-10-13 12:30 PM (#632311 - in reply to #632306)
Subject: Re: 58 chrysler brake lights wierd question


Expert

Posts: 4042
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Location: Connecticut

There is no need to pay the stupidly expensive prices that Hiltop or Atlas charge. The setup is the same for all Mopars, 57-9. A used one for a few dollars from a parts car or Big M Auto will work just as well. Ebay is another source. Or you can rebuild the switch yourself, if you are comfortable with that.

Ron

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