Dodge Shadow Back Up Light Bulb Size

The Dodge Shadow back up light utilizes 1156 and P21W bulb sizes according to the provided technical data. Information for the specified components covers the period from 1987 through 1994.

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
1987-1994	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 1156 is the sole bulb type listed across all model years of the Dodge Shadow covered in these specifications.
The 1156 is a single-filament bulb, meaning it serves one lighting function rather than switching between two brightness levels as a dual-filament bulb would.
It operates on a 12-volt electrical system and draws 21 watts, which is consistent with standard automotive incandescent backup light applications.
The 1156 uses a BA15s bayonet base, a single-contact mount where the bulb is inserted and twisted to lock into place.
The BA15s designation indicates a single-contact bayonet fitting, which is not interchangeable with the BA15d base used on dual-filament bulbs despite the similar physical appearance.
The 1156 conforms to ANSI standards recognized in both the United States and Canada, placing it within a widely adopted North American specification framework.
The Dodge Shadow (1987-1994) uses the 1156 bulb for its backup lights across all eight model years represented in these specifications.