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Old 07-12-2012, 01:19 AM   #3
VetteVet
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Join Date: Jan 2005
Location: Kalamazoo, Michigan
Posts: 8,707
Re: Low Beam Relay Not Functioning

Swap the two relay wires at 85 and if the highs light and the lows don't then you have a bad relay., or the power from the relay at 87 is not getting to the low beams.
This test will also verify that the dimmer is Ok because it means that both wires off the dimmer are getting voltage to both relays.

If the situation reverses then it means that the dimmer switch or wire on the low beam side is not getting power out to the relay.

You can check for power at 87 and tell if the relays are working as well,
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