gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Turn Signals > < Lighting - Exterior Lamp Condensation and Replacement|Page 8993
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Trailer Lamps: Description and Operation

The trailer lamps operate in the same manner as the vehicle lamps. The trailer lamps are grounded to the vehicle at G452 or G475 through the ground
wire.

Turn Signals > < Lighting - Exterior Lamp Condensation and Replacement|Page 8993