Re: Grounding question

[Bob <64ragtop@xxxxxxxxxxxxx>]

The instrument cluster in our Mopars is SUPPOSED to be grounded through the mounting screws to the dash frame.  If you're working on the cluster using the car to power it, you need a wire from the cluster ground to a good solid body ground.  It's a good idea to add that wire to the stock cluster anyway, otherwise the cluster may become intermittent.

Here is a complete '65 Plymouth Factory Service Manual: https://www.dropbox.com/s/upks33txhb...e%20Manual.pdf 
You are using aftermarket wiring, but the the wiring diagrams in this manual show some details of the instrument cluster.  The drawings you need are on page 8-98 & 8-99.

You wrote: "...  I'm only seeing any current using a test light that's grounded to the dash. I have the instrument power connected to one side of the temp gauge and one side of the oil pressure warning light and gas gauge. I know I need to run power through the ammeter but that can come later correct?..."

I'm not familiar with the EZWire kit.  It may not have a high current path through the ammeter.  If it has a direct connection from the alternator to the battery (or starter or starter relay) you're pretty much committed to losing the factory ammeter.  They're a number of folks who can convert the factory ammeter to a volt meter.  If you WANT the ammeter to function, doing the necessary modifications now makes sense to me.  If you plan on a high power alternator and high current add-ons like lights, big stereo, radiator electric fans, etc. etc, losing the ammeter is the best approach.

I need to point out that you are NOT "seeing any current using a test light..."  A test light only senses VOLTAGE.  I hope you have NOT connected 12 volts to the instruments, as the stock gauges MUST be powered from the Instrument Voltage Regulator.  If you're using aftermarket gauges, they will want 12 volts.

That's enough rambling from me for now.  I think I've addressed your questions.  Need more help, just ask.

BC

On 11/8/2013 8:33 AM, Michael Phelps wrote:

Yes that's what I'm asking. I guess I should have been more direct in my email. I tend to ramble even in emails I guess..... Look I'm doing it again. 
Also do you have more info regarding the ammeter conversion? 

Michael Phelps
Sent from my iPhone

On Nov 7, 2013, at 10:20 PM, "Gary H." <62to65mopar@xxxxxxxxxxx> wrote:

I think you are asking how the instrument cluster on a 1965 Plymouth "B" is grounded?  Is that right? 

Also, while you have the cluster out it is a good time to consider having that ammeter gauge converted to a dc gauge. 

Thanks,
Gary H. 

-------Original Message-------
From: Michael Phelps 

Hello all. I'm trying to hook up my instrument panel during the rewiring
process. I'm using the EZwire kit. I have everything connected but I'm not
sure about grounding the panel. Is it grounded through the mounting screws
to the dash? I'm running power through it but I'm only seeing any current
using a test light that's grounded to the dash. I have the instrument power
connected to one side of the temp gauge and one side of the oil pressure
warning light and gas gauge. I know I need to run power through the ammeter
but that can come later correct? Any help or suggestions would be
appreciated.

65 Belvedere II Convertible.


Michael PhelpsSent from my iPhone

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Please address private email -- email of interest to only one person -- directly to that person. That is, email your parts/car transactions and negotiations, as well as other personal messages, only to the intended recipient. Do not just press "reply" and send your email to everyone using the general '62-'65 Clubhouse public email address. This practice will protect your privacy, reduce the total volume of mail and fine-tune the content signal to Mopar topic. Thanks!
 
1962 to 1965 Mopar Clubhouse Discussion Guidelines:
http://www.1962to1965mopar.ornocar.org/mletiq.html and http://www.1962to1965mopar.ornocar.com/general_disclaimer.html.
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