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Question
I have a 91 Dodge Ram van. Lighting wise everything works. The exception is the light switch. When driving at night I have to turn the dash lights completely off to get the dome lights to go off. If I rotate the headlight switch to brighten the dash lights the dome lights come on. It's as if the switch is wired backwards. Turning the know all the way until it clicks should turn the dome lights on and the only way to turn them off is to turn the headlight switch all the way the other direction to dim the dashboard lights and when it clicks again the dome lights go off. I just got this van and need to fix this.

Thanks.

Answer
Hi Jeff,
Unfortunately I don't have a manual for the '91 ram vam but there may indeed be something wrong at the light switch. The problem might be in the headlamp switch itself, but there is likely to be another componnent in a circuit such as this which when it fails causes what you are experiencing. If you can possibly get a wiring diagram, perhaps on line at Autozone.com, then you could examine it and see how complex the circuit is. The category of the circuit would be "courtesy lights" so that would be how to find the circuit you need to look into. Of course there is always the possibility of removing the dome light, or putting in a simple manual switch to turn it off until you neeed it.
Roland

Dodge Repair

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Roland Finston

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Get a Free Fast answer to your repair question about a Chrysler/Dodge/Plymouth car, minivan, SUV, or truck. Problems with electronically controlled engines and transmissions as well as body wiring problems are my specialty. This free troubleshoot advice forum helps you diagnose faults, minimize repair costs or do-it-yourself.

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I have do-it-yourself experience (50+ years) and a library of 100 1982-2012 Chrysler factory shop manuals and 20 multi-manual Chrysler Corp. CD's.

I was voted "Top expert" from 2010-2015 here at AllExperts, and have answered 20,000+ questions.

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Five decades as a 'do-it-yourselfer' on domestic and imported cars

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Yahoo Autos Group called The Chrysler Lebaron Club (co-moderator)

Education/Credentials
Degrees in Physics/bruised knuckles.

Awards and Honors
"Top expert" of 2010, 2011, 2012, 2013, 2014, and 2015 here at Allexperts. Quickest "average response time" at Allexperts (currently no. 1).

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