2004 grand am, tried to wire in a aftermarket dvdplayer cd deck, never worked. So now my dash lights, tail lights, signals or nothing works, why is this and how can i fix it ASAP?

SOURCE: 1991 lincoln town carTail lights and turn signals stopped working

One of the tail light bulbs can be shorted internally.  Replace the tail light bulbs first.  Try this cheap fix first.

SOURCE: No tail lights on 1991 Chevy Silverado. fuse is good

sounds like a broken wire in the harness. look around the bumper area,sometimes along the frame. may have to peel back some tape covering. also if you have a trailer harness look closely at those.

SOURCE: I have a 2004 Chevy TrailBlazer that just

The Trailblazers have a common problem with the printed circuit boards in the tail lamp housing.
Unplug the tail lamp housing at the wiring connector and test for power with a test light. ( With turn signals on) You may have an open circuit in the lamp housing circuit board. Good luck

Johnny Brown

• 5763 Answers
• Posted on Apr 05, 2010

SOURCE: can't get interior dash lights or tail lights to

you do have a blown fuse, this car has 2 to 3 fuseboxs, the fuse that holds the dash and park lights is located in the under the hood fusebox, its fuse # 8, heres a diagram of the fusebox in the engine compartment under the hood, hope this helps,

SOURCE: 2000 Nissan Maxima. Headlights work but tail lights won't.

your dimmer switch is the proublem it is loose or just worn they wear even if you dont ever use the switch a common nissian proublem iv had the same issue