The wiring harness plugs into your OEM factory wiring for the installation of an aftermarket radio. This harness can also be used in conjunction with a reverse harness to add XM, Sirius, or a FM Modulated accessory without cutting factory wiring. This harness is EIA color-matched to your aftermarket radio wiring harness for easily identifiable connections.
Please verify your vehicle's original sound system specifications before purchasing your harness.
Note:
Not For Use On "Factory Amplified" Sound Systems.
Illumination Note:
If Your Radio Does Not Contain A "Dimmer" or "Illumination" Wire, Then The Orange "Illumination / Dimmer" Wire In This Harness Will Not Be Used.
Some functions like Steering Wheel Controls, speed sense, ext. may not be supported.
FOR GMC:
1978 – 1989 GMC Jimmy
1973 – 1982 GMC Pick Up (C/K)
1973-1974 GMC C15/C1500 Pickup
1973-1974 GMC C25/C2500 Pickup
1973-1974 GMC C35/C3500 Pickup
1973-1974 GMC K15/K1500 Pickup
1973-1974 GMC K25/K2500 Pickup
1973-1974 GMC K35/K3500 Pickup
1982 – 1990 GMC S-15
1985 – 1991 GMC Safari
1991-1992 GMC Sonoma