1982 GMC S15 Pickup Truck Stereo Wiring Information Radio Battery Constant 12v+ Wire: Orange Radio Accessory Switched 12v+ Wire: Yellow Radio Ground Wire: Black Radio Illumination Wire: Gray Stereo Dimmer Wire: Brown Stereo Antenna Trigger Wire: Pink Left Front Speaker Positive Wire (+): Tan Left Front Speaker Negative Wire (-): Gray Right Front Speaker Positive … Read more
1983 GMC S15 Pickup Truck Stereo Wiring Information Radio Battery Constant 12v+ Wire: Orange Radio Accessory Switched 12v+ Wire: Yellow Radio Ground Wire: Black Radio Illumination Wire: Gray Stereo Dimmer Wire: Brown Stereo Antenna Trigger Wire: Pink Left Front Speaker Positive Wire (+): Tan Left Front Speaker Negative Wire (-): Gray Right Front Speaker Positive … Read more
1984 GMC S15 Pickup Truck Stereo Wiring Information Radio Battery Constant 12v+ Wire: Orange Radio Accessory Switched 12v+ Wire: Yellow Radio Ground Wire: Black Radio Illumination Wire: Gray Stereo Dimmer Wire: Brown Stereo Antenna Trigger Wire: Pink Left Front Speaker Positive Wire (+): Tan Left Front Speaker Negative Wire (-): Gray Right Front Speaker Positive … Read more
1985 GMC S15 Pickup Truck Stereo Wiring Information Radio Battery Constant 12v+ Wire: Orange Radio Accessory Switched 12v+ Wire: Yellow Radio Ground Wire: Black Radio Illumination Wire: Gray Stereo Dimmer Wire: Brown Stereo Antenna Trigger Wire: Pink Left Front Speaker Positive Wire (+): Tan Left Front Speaker Negative Wire (-): Gray Right Front Speaker Positive … Read more
1986 GMC S15 Pickup Truck Stereo Wiring Information Radio Battery Constant 12v+ Wire: Orange Radio Accessory Switched 12v+ Wire: Yellow Radio Ground Wire: Black Radio Illumination Wire: Gray Stereo Dimmer Wire: Brown Stereo Antenna Trigger Wire: Pink Left Front Speaker Positive Wire (+): Tan Left Front Speaker Negative Wire (-): Gray Right Front Speaker Positive … Read more
1987 GMC S15 Pickup Truck Stereo Wiring Information Radio Battery Constant 12v+ Wire: Orange Radio Accessory Switched 12v+ Wire: Yellow Radio Ground Wire: Black Radio Illumination Wire: Gray Stereo Dimmer Wire: Brown Stereo Antenna Trigger Wire: Pink Left Front Speaker Positive Wire (+): Tan Left Front Speaker Negative Wire (-): Gray Right Front Speaker Positive … Read more
1988 GMC S15 Pickup Truck Stereo Wiring Information Radio Battery Constant 12v+ Wire: Orange Radio Accessory Switched 12v+ Wire: Yellow Radio Ground Wire: Black Radio Illumination Wire: Gray Stereo Dimmer Wire: Brown Stereo Antenna Trigger Wire: Pink Left Front Speaker Positive Wire (+): Tan Left Front Speaker Negative Wire (-): Gray Right Front Speaker Positive … Read more
1989 GMC S15 Pickup Truck Stereo Wiring Information Radio Battery Constant 12v+ Wire: Orange Radio Accessory Switched 12v+ Wire: Yellow Radio Ground Wire: Black Radio Illumination Wire: Gray Stereo Dimmer Wire: Brown Stereo Antenna Trigger Wire: Pink Left Front Speaker Positive Wire (+): Tan Left Front Speaker Negative Wire (-): Gray Right Front Speaker Positive … Read more
1990 GMC S15 Pickup Truck Stereo Wiring Information Radio Battery Constant 12v+ Wire: Orange Radio Accessory Switched 12v+ Wire: Yellow Radio Ground Wire: Black Radio Illumination Wire: Gray Stereo Dimmer Wire: Brown Stereo Antenna Trigger Wire: Pink Left Front Speaker Positive Wire (+): Tan Left Front Speaker Negative Wire (-): Gray Right Front Speaker Positive … Read more