driving lights don't work
I'd appreciate help with my '99 Blazer 4 door 4WD. My driving lights quit working completely, however the brights work and the daytime running lights work. I checked the bulbs and ground, both ok. The light switch and the dimmer both are ok (I've already replaced the multifunction switch once).
The fuses are ok, I was wondering if there are any relays/circuit breakers I need to check. Or any other ideas? thanks much, I rigged the brights into the driving light positions for a temp fix, but obviously this isn't ideal. Rob |
Did you check the fuses in the BCM in the engine bay?
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I'm not sure what BCM stands for, but I did check the fuses in the engine compartment fuse box, the two 15 A fuses there for the left and right headlamps were fine.
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There is a relay for the low beams as well. It may be labeled HDM.
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low beams return
Thanks for the suggestions:
My low beams started working again, with no help from me. When I disconnected the ground to the under hood fuse relay and then hooked it back up the low beams started working again. I noticed that the electrical systems, clock, etc had reset so I assume something in the BCM got reset. Is this a reasonable explanation? Any ideas on why this happened? thanks, Rob |
Possibly corrosion on the ground keeping it from making a good clean connection?
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