Toyota Pickup Back Up Light Bulb Size

The Toyota Pickup back up light uses 1156 and P21W bulb sizes for the rear illumination components. Data for the specific lighting requirements covers the range from 1986 to 1995.

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
1986-1995	1156

Bulb Specifications

Description	Bulb Size
ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 21W.	1156

Other Locations

Additional Notes

The Toyota Pickup uses the 1156 bulb for the back up light across all listed model years, spanning 1986-1995.
The 1156 is a single-filament bulb, meaning it serves one lighting function only, which is consistent with its application in a dedicated back up light circuit.
The 1156 operates at 12 volts and 21 watts, placing it in the standard range for incandescent automotive signal and reverse lighting.
The 1156 uses a BA15s bayonet base, a single-contact fitting where the "s" denotes a single pin, distinguishing it from the dual-contact BA15d base used in other bulb types.
The 1156 conforms to ANSI standards applicable in both the United States and Canada, indicating the bulb meets regulated performance and dimensional criteria for North American vehicles.
The BA15s base of the 1156 is not interchangeable with visually similar bayonet-base bulbs such as the 1157, which uses a BA15d dual-contact base and carries a second filament for combined stop and tail functions.