Question about 2000 Chevrolet Tahoe

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2001 Chev 2500HD

I have no rear lights at all ie turn signal, flasher, brake and tail lights but all other lights work fine even through the trailer plug. what could be cause this to happen?


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Based on what you are saying I would look to see if there are any corroded or broken wires, and I would take a good look at the ground wires that are leading into each of your rear lites.
Sometimes a wire will look as though it is connected but in fact has corroded off inside of the connector.
If the trailer plug is an afterthought then I would carefully inspect each of the wires as some people use test lites that have to be poked through the insulation on the wire thus allowing condensation to get into the wire and corrode them.
At each point where two wires meet and where ever a wire go's into a connector or lite socket ( pigtail ) I would give the wire a little tug to see that it indeed is secure.
Also if you have a test lite then remove the lite bulbs and test to see if there is any power to the lite pigtail itself. I'm sure that you have physically checked each bulb itself. if notthis is rare but it does happen on occasions, a bulb will burn out and the filament in the bulb will drop down and across to the other filament on the bulb causing the lite to short out that particular circuit and this will only happen when that particular part of the circuit is powered. As I mentioned this is very rare I've only seen it happen twice in my career.
Good luck, and I hope that this info is helpfull.

Posted on Oct 14, 2008


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