It would go to the dimmer that controls the brightness of the dash lights.
how do you go around amp for after market radio on 1995 ford probe
If the dashboard dimmer switch works with the other dash lights, the fault is in the radio unit itself.
Go to www.installdr.com .
The 2nd yellow wire goes to power, (usually a thicker red wire)
You need to go to a sound shop and buy an adapter that will allow your radio to be plugged into the car's wiring harness. You will also need to ask them which ground wire to cut, so you don't blow out the dimmer switch for your dash lights.
sounds like you need a new dimmer switch, or there is a loose wire
go to www.the12volt.com
You have to go purchase an aftermarket wiring harness. that will plug into the factory harness then you can wire it to the aftermarket radio.
go to wall mart buy a after market harness and a wire crimp set remove old radio conect new harness to existing old one and crimp all the same color wires from the new harnes to the new radio its easy
The instruments light dim for night driving when the headlights are turned on. Check to insure that your dash dimmer switch is on high. If it is, then you have a problem with either the dimmer switch or the wiring.
try replacing the dimmer switch they sometimes go bad and do not allow voltage to the lights
2005 Pontiac Grand Am Car Radio Wiring DiagramCar Radio Battery Constant 12v+ Wire: OrangeCar Radio Accessory Switched 12v+ Wire: The radio harness does not provide a switched power source. Run a wire to the fusebox for switched power.Car Radio Ground Wire: Black/WhiteCar Radio Illumination Wire: GrayCar Stereo Dimmer Wire: BrownCar Stereo Antenna Trigger Wire: N/ACar Stereo Amp Trigger Wire: PinkCar Stereo Amplifier Location: Mounted behind trim in the left side of the trunk.Car Audio Front Speakers Size: N/ACar Audio Front Speakers Location: N/ALeft Front Speaker Positive Wire (+): TanLeft Front Speaker Negative Wire (-): GrayRight Front Speaker Positive Wire (+): Light GreenRight Front Speaker Negative Wire (-): Dark GreenCar Audio Rear Speakers Size: N/ACar Audio Rear Speakers Location: N/ALeft Rear Speaker Positive Wire (+): BrownLeft Rear Speaker Negative Wire (-): YellowRight Rear Speaker Positive Wire (+): Dark BlueRight Rear Speaker Negative Wire (-): Light Blue google_protectAndRun("ads_core.google_render_ad", google_handleError, google_render_ad); About Us | Advertisehere you go this is about as acurate as it gets! good luck and have fun with your install!