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12-30-2022, 05:39 PM | #1 |
Registered User
Join Date: Aug 2012
Location: concord ga
Posts: 188
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where is the headlight relay on a 1977 gmc 3500
i bought a set of h4 headlights to replace the old ones on my 77 k3500 now they flicker on and off i can barley hear a clicking noise behind the left side of the instrument cluster but i dont see no relay
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