Re: {Chrysler 300} ‘63 Chrysler 300 headlight switch connector swap
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Re: {Chrysler 300} ‘63 Chrysler 300 headlight switch connector swap



— no has to come from ign or acc switch as they only read when that is on . look at print follow wire back to source from gauge regulator . I doubt it is that wire , they don’t suddenly get loose , but pc pins sure do 
yes —feed to regulator from car is 12 v , you said  feed to gas gauge  which is pulsating 12 v , from the mechanical regulator points .Feeds all three gauges - if you have  3  ?   averages out to 5 v . they do that so gauges are not impacted by battery volts 
I agree with loose pins in pc  card , I was thinking 60 F same circuit but no PC . 
PC cards in 67 Dart and Barracuda i have both had bad connections on board at plug pins . I soldered them all . tricky .Have to clean really spotless shiny with box cutter tip or solder will not “take ” factory only held pins by expanding them like a rivet , you wiggle plug they all get loose . 

lSent from my iPhone

On Oct 7, 2023, at 5:27 PM, dave mason <forwardlook300@xxxxxxxxx> wrote:

Hi John,

I may be remembering wrong but I thought the gas gauge for 63-64 is fed with 12V from the 5-pin connector on circuit board.  Then it uses “points” to reduce to 5.5V or so.  That then feeds temp gauge too.  So I believe there is actually 12V going to the circuit board feeding the fuel gauge.  It’s true that if that ain’t working, the temp gauge wouldn’t either.  Ground sender wire for temp gauge and see what happens, as you say.  
Where does the 12V come from that feeds the 5-pin connector and therefore the instrument circuit boards?  I think it may come from the headlight switch…
Carl?

V/r
Dave

Sent from my iPhone

On Oct 7, 2023, at 16:58, John Grady <jkg@xxxxxxxxxxxxxxxxx> wrote:

hi , no not at headlight at all . and not 12 v it is a pulsating voltage , 12v goes to regulator off the ignition “ on” power ( headlight power  is on all the time) then after that to each gauge pulsing , except amps .
do other gauges work ? if so nothing wrong there — it is gas gauge wiring . 

ground the wire at tank for a few seconds ( if others work ) gas should go up to full or more ( why a few seconds ) if it does it is float system or no tank ground . 
do not ground any wires around gauge you can blow up stuff . At senders only 

Sent from my iPhone

On Oct 7, 2023, at 4:17 PM, 'James Douglas' via Chrysler 300 Club International <chrysler-300-club-international@xxxxxxxxxxxxxxxx> wrote:



Mark,

 

Pick up the Packard connector tool off of eBay for a few bucks. I did and it worked fine.

 

James

 

From: chrysler-300-club-international@xxxxxxxxxxxxxxxx <chrysler-300-club-international@xxxxxxxxxxxxxxxx> On Behalf Of Mark Lindahl
Sent: Saturday, October 7, 2023 10:35
To: chrysler-300-club-international@xxxxxxxxxxxxxxxx
Subject: {Chrysler 300} ‘63 Chrysler 300 headlight switch connector swap

 

Hello All,

Is there a semi easy way to remove the wires from this connector and swap out a bad one on the car?  Any help is appreciated. Thank you.

300ly,

Mark Lindahl

PS-I am suddenly not getting 12v to the gas gauge/Temp gauge and I fear that a bad connection at the headlight connector may be the problem, but I can’t be sure.


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