Bassy windows, lights...help!

[SHOemup233 10+ year member]

Hey guys. I recently got my Sundown and after I installed it there is a weird popping when I use electronics. It took me a week to notice, but whenever I use my windows, or turn on my lights inside, the sub makes a small bump. I felt it when I was turning on the lights, and it moved only a little bit. Anytime I use anything though it is accompanied by a small bump.

Any help is appreciated!

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[twisztdauthorit 10+ year member]

my friend had a similar problem. check yoru rcas from start to finish, could be a ground problem

 

[Worlddre 5,000+ posts]

ground loop!

 

[geowick07 10+ year member]

Since you have a Pioneer HU, more than likely you are experiencing that infamous Pioneer RCA whine. Be sure that your RCA's are grounded well, and it should solve the problem.