the trailer is equipped with a large number of lamps. This condition is most likely caused by insufficient trailer grounding and the trailer ground wiring will need to be repaired and/or upgraded. 2. These concerns could be caused by a poor connection at the 7way trailer connector. It could be either the truck and/or trailer side of the connector.
Ive got a factory trailer wiring issue with my 2004 Silverado 1500. Problem is with the truck, Ive verified the Answered by a verified Chevy Mechanic. We use cookies to give you the best possible experience on our website. ... I need to install trailer lights on my 01 Chevy 1500 4x4 silverado.
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