1990 Lexus LS 400 "stereo key ground" Questions

...key but it wont function unless its chipped,drove it in 911 only cases and left unlocked, Most car alarm and stereo installers may be able to help you. I took apart the driver's door lock on one ...

...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 didnt fix the problem have checked fuses what can itry now? This is for instrument cluster. You see the three fuses at the top in diagram. One fuse is hot all the time, the other two go hot ...

...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 ...