Did you check voltage, anywhere, use a test light. Did you check for voltage at the applicable fuse circuit? Always check voltage and ground. For 3.8L vin 2, there is a high-beam relay, shouldn't effect low beams. In the diagram, see low beam fuses, turn on your headlamps, low beam, any voltage on those fuses? Here is a guide to help you check the wiring with the headlight wiring diagrams below.
Check out the diagrams (Below). Please let us know what happens.
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Tuesday, April 7th, 2015 AT 2:04 PM