Question:
The radio and cd lights on my 96 Chevy Tahoe are not working. I've replaced the radio because I thought the bulbs were burned out. I checked the fuses and those were fine. Any help would be much appreciated. Thanks.
Answers:
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if you've replaced them hoping to fix the problem, then the issue is in the wiring harness. There's a wire that goes from the light switch over to the plug in the back of the radio, and that's got a break in it somewhere more than likely. The way to check is to locate the wire-both in the plug that goes to the back of the radio and at the light switch(this sounds tough, but it's really not- to take the dash apart is pretty simple, just pull on it(but not too far or hard-you've got to unplug a few things as you pull it away like the electronic 4x4 switch(if equipped) and the headlight switch). take the two screws that hold the radio loose and pull the chassis of the radio out and unplug it. Now the tough part..but I'll tell you how to cheat- go to a car audio store and see if you can look at a wiring harness adapter for your vehicle and if at all possible look to see what wire is marked "illumination". Locate that wires position in the aftermarket plug, and you'll be able to locate it in the plug in your vehicle. That should give you the color of the wire coming out of the plug. Now, go over to the other side of the dash where the headlight switch is located and find the same color wire in that plug. With a continuety tester, test both ends to see if its continuous...if so most testers will either light up or beep(depending on the tester)..if not, you'll have to splice in a new wire.Hope this helps!!
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sounds like a broken wire. might also be the headlight switch but i doubt it if all the other dash lights are working, but anything is passable. try to get a wiring schematicCheck to see if the stereo is connected to a dash wire, lets say if you turn on the headlights the dash comes, on but the lights from the radio doesnt. It should be a power wire possibly connected to accessory or igntion or some sort. Also, when this happends usually a fuse gets blown so becareful. Is this a stock stereo or something you installed?
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