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I have am '05 gmc envoy. The low beams went out a couple of weeks ago so i replaced the relay. that fixed the problem. Now the low beams are out again. i replaced the relay again but this time it didnt work. I notice there is an odor in the fuse block. The relay smells burnt. Any ideas? i still have no low beams but all others lights etc seem to be fine. No codes.

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