GMC Topkick Light Bulb Size Chart

GMC Topkick light bulb replacement information includes 5 bulb size options: 1157, 74, 194, H6054, and 1156. The replacement chart covers 1990 to 2009 model years across 18 lighting locations on the vehicle. Each location entry specifies applicable model years and corresponding bulb size for proper replacement.

Select a light bulb location for GMC Topkick to view detailed replacement information.

LocationYears
Ash Tray1990-1998
Back Up Light1990-2001
Brake1990-2001
Check Engine1990-1998
Courtesy1990-1998
Headlight1990-2009
High Beam Indicator1990-1998
Instrument Panel1990-1998
Parking Brake Indicator1990-1998
Parking Light1990-2001
Seat Belt Warning1990-1998
Side Marker1990-2001
Tail Light1990-2001
Turn Signal1990-2001
Turn Signal Indicator1990-1998