95 chevy tahoe buzzing sound!!!!

Hello,my problem is whenever i turn on the headlights or turn the heat on,theres a constant buzzing,humming sound comming from the truck? When I step on the gas it gets louder.I don't think it smy radio because my amp has a filter for noise of that sort.Please help if anyone has this sort of problem.

Reply to
LanLegend
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The alternator is getting ready to go Kaput!

Would be my most likely seat of the pants first guess, but however. A loose ground could cause a humming sound also.

I hope this helps?

Refinish King

Reply to
Refinish_King1

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