Re: [Chrysler300] rheostat 1964

The resistor is totally out of circuit at full brightness , 12 v battery volts goes direct to lights so changing it will do nothing for that .. No burning of wires or anything ,or blown fuses right ? ( would indicate short to ground ) Maybe brighter bulbs in same base or try LED replacements ?

If contact were bad , it would flicker etc .. some of that is normal when not full on . But at end of travel contact sits on 12 v rivet connection on any I have seen . When resistor is bad or burned open ( a short does that ) you get no lights then full on at end .

One way to check is find out 12v dash light wire color , off FSM diagram at switch — test voltage there , lights full on .usually that wire also accessible at radio or ash tray etc. Orange wire on most mopar . If volts same as battery within a half volt the switch is fine . Bulb issue ?? . Not sure what year you have , if electroluminescent dash ( 60-62) AC power pack can be bad . Should be 200 v + AC on white wires full on . On those years a 12 v bulb under heater switch you can see if bright enough . ( 12 v part is ok then)

Sent from my iPhone not by choice

On 29 Mar 2020, at 6:48 pm, Marshall Larson granitledge@xxxxxxxxx [Chrysler300] <Chrysler300-noreply@xxxxxxxxxxxxxxx> wrote:

To likely repair your switch check out the wiper (contact to the rheostat) because it probably deformed due to heat. It should only touch at the V shaped end of it. If it is more than that then bend it to correct the angle.

On Sun, Mar 29, 2020 at 6:42 PM Marshall Larson <granitledge@xxxxxxxxx> wrote:
What is the shape of the headlight stem? If it is a triangle them I strongly suspect that a NAPA part #HL6571SB is the proper new switch. I got that number from Bob Merritt.

On Sun, Mar 29, 2020 at 4:11 PM Harry Torgeson torg66@xxxxxxxxx [Chrysler300] <Chrysler300-noreply@xxxxxxxxxxxxxxx> wrote:

Hi group, I need help finding a headlight rheostat, my mechanic cleaned my current one but the results are dim interior lights at night, so I'm going to replace it.

Thanks in advance
Harry

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Marshall Larson

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Marshall Larson

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Posted by: Rick Haynes <rdr_inc@xxxxxxxxxx>

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