Question about 2003 Chevrolet Express

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High beems turn on when the van is off. why? 2003 express van

They turn on when a truck or loud car passes by.

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I think this may have to do with the wiring. Check if the wiring is exposed, or the terminals. The vibration caused by the noise or the air between you and the truck may cause the wire to hit the body completing the circuit.

Posted on Jun 04, 2009

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Posted on Jan 02, 2017

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1 Answer

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