1991 GMC Sierra "stereo key ground" Questions

...stereo no dash lights and when i turn the key its as almost like there is no battery in it nothing happens its a 5 speed gmc sierra 1991 and the steering column is loose id say it may move a quater ...

...stereo, one for when key on & one constant for radio memory & clock, you know that right? Check for that& Make sure it has good ground also. Use another ground source from back of stereo ...

...wire, find a wire with the key on that is hot, but goes off when the key goes off. There are several posibilities and any will work, as long as your lines to the stereo have a fuse.. Happy probing. ...

stereo with tape player Usually red is pos. goes to constant power source. Orange or yellow to keyed power source. Blue is for power ant. and matched wires are your speaker wires. Match these to yours

...stereo. im putting an aftermaket cd player in. its 1996 f150 12 volt power ( hot all the time ) light green/purpal 12 volt switched power ( hot with key on ) yellow/black black ground black/lt. green ...

key. Thanks again. Forget it...go to a car stereo installation shop and buy a wiring harness for your car ($20-40) and you're done! Good Luck P.S. might as well buy a dash kit ($30) to make installing

KEY ON power only correct , if that is so , use a test light and find the power wire that is 12 volts all the time, if you dont have one run a wire (12 gauge ) from the positive using a 15AMP fuse and

...stereo what wires are what? Sometimes if its the factory harness, you can see fine print on the wires telling what each wire is for. If not, remember, red is hot,black is ground, and your smaller ...

...stereo off each time I turn the ignition off? What is the problem? your new radio have one red and one yellow ,one of those is accesory the other one is baterry + , you problably have both connected ...

stereo with an electrical tester with the key off, then with the key on, then with the engine running. One of your wires will change it's properties between the 3 tests. That will be your problem wire