Rick's Free Auto Repair Advice

Posts Tagged: trailer lights

Turn Signal Problems — GMC/Chevrolet Trucks

Fix Turn Signal Problems — GMC/Chevrolet Trucks Some shops have been reporting repeat Turn Signal Problems with the factory trailer adapter on GM trucks. The symptoms show up as all turn signal lights flashing when you turn left or right and constant power at the trailer harness. The adapter may also cause all ot her kinds of Turn Signal Problems. At first glance you may think to replace the turn signal switch assembly, but check the trailer adapter first. The adapter is located down by the spare tire and is either … Read More


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