2004 GMC Envoy "trailblazer relay 45 46" Questions

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...relay #45 with #46, do you now have lights? Either clean the contacts by pushing it in and out of the fuse box, or buy a new relay. Cleaning the relay worked for me, but I keep a spare just in case. ...

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...trailblazer will not come on. I have replaced the bulbs but still nothing. Whatcan I try? It's your #46 relay in the fuse box. Try switching #45 and 46 (same relay), if you now have lights,get a new ...

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Question about GMC Envoy

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...trailblazer headlight keep going out Try swapping relay #45 & 46 in the underhood fuse panel as a test. Relay #45 is for the low beams. Also check the headlight bulb connectors for signs of ...

Question about GMC Envoy

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...relay #45 with relay #46 in the fuse box (same exact relay), #45 is for the fan, #46 is for the low beams. Do you now have lights? 2 things, 1 is try cleaning the contacts on the relay AND the fuse ...

...this aproblem with trailblazer? Yes it's a common problem. Swap #45 relay with #46 relay. Do you now have lights? Either replace the relay, or clean the contacts really well on the relay and fuse

Question about GMC Envoy

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...Trailblazer LS. The headlight don't come on, only the high beams. What causes this and how can I fix it? Switch relay # 45 with relay #46 under the hood fuse box, do you now have lights? Clean your ...

headlights on my 2006 chevy trailblazer went out Reverse relay #'s 45 and 46 in the fuse box. Do your lights come back on? If so, get a new relay.

Question about GMC Envoy

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My headlights don't work on low beam Temporarily swap relays #45 and #46 in the underhood fuse panel. Relay #46 controls the low beams.

Question about GMC Envoy

1 Answer

headlights not coming on only highbeams Try temporarily swapping relay #46 & 45 in the underhood fuse panel. Relay #46 is for the Low Beams.

daytime running lights not working hope it helps If both low beams are out, try swapping relays #45 & 46 in the underhood fuse panel. Relay #46 is for the low beams.

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