White/GMC WCM Light Bulb Size Chart

White/GMC WCM light bulb size options include 1157, 9004, H6024, 1156, and 194. A replacement chart covers 1988-1994 and 12 lighting locations. Each location entry includes specific model years and bulb size data for the vehicle to ensure correct identification of the required hardware.

Select a light bulb location for White/GMC WCM to view detailed replacement information.

LocationYears
Back Up Light1988-1994
Brake1988-1994
Courtesy1988-1994
Headlight1988-1994
Instrument Panel1988-1994
Parking Light1988-1994
Side Marker1988-1994
Tail Light1988-1994
Turn Signal1988-1994