When doing replacement or upgrading on 1985 - 1988 GMC Brigadier with 2 4 headlamps, the bulb size guide is necessary for you to take the reference. Jump to a corresponding car model with the catalog below.
Low Beam Headlight 1988 H4656
1985 - 1987 H5006
High Beam Headlight 1988 H4651
1985 - 1987 H5001
Back Up Light 1985 - 1988 1156
Brake 1985 - 1988 1157
Front Side Marker 1985 - 1988 1157
Front Turn Signal 1985 - 1988 1157
Parking Light 1985 - 1988 1157
Rear Side Marker 1985 - 1988 1157
Rear Turn Signal 1985 - 1988 1157
Tail Light 1985 - 1988 1157
High Beam and Low Beam Headlight 1985 - 1988 6014
Back Up Light 1985 - 1988 1156
Brake 1985 - 1988 1157
Front Side Marker 1985 - 1988 1157
Front Turn Signal 1985 - 1988 1157
Parking Light 1985 - 1988 1157
Rear Side Marker 1985 - 1988 1157
Rear Turn Signal 1985 - 1988 1157
Tail Light 1985 - 1988 1157

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