GMC V1500 Suburban License Plate Bulb Size

The GMC V1500 Suburban license plate light requires a bulb size of 67 for proper installation. Available data for the specified lighting component covers the range from 1987 to 1991.

The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.

Bulb Size by Year Range

Years	Bulb Size
1987-1991	67

Bulb Specifications

Description	Bulb Size
ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. Lower wattage variant of 1156. 12V, 8W.	67

Other Locations

Additional Notes

The bulb type 67 is an ANSI-standardized designation recognized across the United States and Canada, placing it within a regulated classification system for automotive lighting.
The GMC V1500 Suburban uses the 67 bulb for the license plate position across the 1987-1991 model years.
The 67 bulb operates on a 12-volt electrical system and draws 8 watts, which reflects its role as a low-load illumination source for a non-safety-critical lighting position.
A single-filament design means the 67 bulb serves one lighting function only, with no secondary circuit for a dimming or braking mode.
The 67 bulb uses a BA15s bayonet base, a single-contact mount where the bulb is inserted and rotated to lock into the socket.
The 67 is described as a lower wattage variant of the 1156 bulb, which shares the same BA15s bayonet base but operates at a higher wattage. This physical similarity can create a fitment risk, as the 1156 may seat correctly in a socket designed for the 67 while exceeding its intended power draw.