The bulb used for the back-up lights (GE # 1156) has the same base configuration and a higher output.
Warning: If you decide to use an 1156 in the cargo lamp, watch out for overheating the of the lens due to increased wattage (18.4/26.9).
Product Code 1156
Watts 26.9 Watts
Volts 12.8 Volts
Base Type BA15s (Single Contact Bayonet)
Bulb Type S-8
Rated Average Life 1200 hrs
Candle Power 32
Filament C-6
Bulb Finish Clear
Max Overall Length (MOL) 2.000 in (50.8 mm)
Light Center Length (LCL) 1.250 in (31.8 mm)
Order Codes 1156
Product Code 1142
Watts 18.4 Watts
Volts 12.8 Volts
Base Type BA15d (Double Contact Bayonet)
Bulb Type S-8
Rated Average Life 1000 hrs
Lumens 264
Candle Power 21
Filament C-6
Bulb Finish Clear
Max Overall Length (MOL) 2.000 in (50.8 mm)
Bulb Diameter 1.000 in (25.4 mm)
Light Center Length (LCL) 1.300 in (33.0 mm)
Energy Star Rated Yes
Order Codes 1142