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Re: Horn question 70 gmc sub
No Problem,
make sure that your light sockets are good and have good grounds, check the bulb for shorts, (There made in china and i have picked up a few that were put together wrong) get rid of any wiring that does not belong, make sure the black ground wire that hooks up to the dash(if you remove the cluster you should see it clipped to the dash) is there and has a good ground. I have rewired my truck from the ground up and it was simple, i can help if you need it..
Smitty
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