Digital dash

[nightowls_gm]

Hotair wh1, my digital dash went out a while back and recently bought one of an na87regal and it worked! But when I turn my headlights on it cuts off. Anyone else experience this before?
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[Tom87GNX]

Hotair wh1, my digital dash went out a while back and recently bought one of an na87regal and it worked! But when I turn my headlights on it cuts off. Anyone else experience this before?
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What exactly cuts out? The whole backlighting or the actual digital numbers?


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[nightowls_gm]

So in guess its the backlighting of my gauges when I turn the headlights on. Wondering if there is a short somewhere


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[Tom87GNX]

I had the same problem in my t type, the mph, fuel level etc all remained visible but when I turned headlamps on the black lights went out. I'm my situation I just replaced the headlamp switch and problem solved. It appears to me that the switch either had an internal short or high resistance, I don't know for sure but changing the switch worked for me. HTH

Tom


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[nightowls_gm]

Ok cool, ill give that a try thanks!

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[GNONYX]

Not to insult your intelligent, but is it possible the light dimmer switch is turn down to the point when you turn the headlights on the backlighting also goes dim?

 

[nightowls_gm]

Haha nah I've messes with it, could be the dimmer switch itself?

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[Shawn N]

Best thing to do is find a local TR buddy and just swap the headlight and dimmer switches out to see if that is the issue with it w/o having to shell out $ for new switches. If that does not fix it John at Casper's Electronics is the guru on digital dash repair.

 

[TexasT]

Pull your dimmer switch out, clean it and regrease it and reinstall. Mine wouldn't act right and man was it cruddy in there. The reostat copper gets corroded.

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