Low hz rumble though sub only while stereo is on

krystofir2009

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Low hz rumble though sub only while stereo is on i have 2 0awg power and 2 0awg grounds plus aditional grounds connecting bed and cab of truck to frame. seems like a ground loop but i cant find it. i have a skar zvx15d.2 v.3 and a RP2000D
 

ThxOne

Aftermarket Specialist
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2,394
Kentucky
Low hz rumble though sub only while stereo is on i have 2 0awg power and 2 0awg grounds plus aditional grounds connecting bed and cab of truck to frame. seems like a ground loop but i cant find it. i have a skar zvx15d.2 v.3 and a RP2000D
Where are your signal cables running? Are they near the power cables? If it is an aftermarket head unit... is it grounded well?
 

ThxOne

Aftermarket Specialist
5,000+ posts
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Kentucky
Hmmm, hard to say. If it is "humming" at idle, no music playing... I would start physically touching cables and wires with your bare hand. Many times a suspect cable will either silence or amplify the hum. Then you can trace that wire or cable and correct the connection usually. Just a suggestion. It may or may not yield a result.
 

krystofir2009

CarAudio.com Newbie
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0
U.S.A.
  • Thread Starter Thread Starter
  • #8
Hmmm, hard to say. If it is "humming" at idle, no music playing... I would start physically touching cables and wires with your bare hand. Many times a suspect cable will either silence or amplify the hum. Then you can trace that wire or cable and correct the connection usually. Just a suggestion. It may or may not yield a result.
It's not Humming it sounds exactly like my exhaust Its weird
 

Louisiana_CRX

dem shoes......
5,000+ posts
10+ year member
Sounds like a bad or weak ground ..did you ground to the body or frame ? Body and seat bolts are very bad ground spots in a truck on a high powered system... also its always best to measure your ground resistance in larger installs ...
 

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