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noise w/ engine running

Printed From: the12volt.com
Forum Name: Car Audio
Forum Discription: Car Stereos, Amplifiers, Crossovers, Processors, Speakers, Subwoofers, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=14618
Printed Date: July 18, 2025 at 7:29 PM


Topic: noise w/ engine running

Posted By: realefr
Subject: noise w/ engine running
Date Posted: June 08, 2003 at 3:46 PM

i recently added an amp to my tundra and i get noise w/ the engine running.  the power wire is connected directly to the battery.  the truck may have a factory amp, if i was running through the factory amp and the new amp, could this be my problem?  i was thinking a filter might help, but not sure.  anyone got any ideas on causes or remedies?



Replies:

Posted By: Velocity Motors
Date Posted: June 08, 2003 at 4:04 PM

Could be one of 20 different things. Check these first:

  • make sure that the power and RCA wires are not close to each other. Run them on opposite sides of the vehicle if possible
  • make sure that your ground is clean, free of grease and that the connection is solid to metal
  • make sure that the amp gain is not set too high. If it is close to MAX, turn it back down to about 2/3 of full
  • make sure that the ground wire is less than 36 " in length from the amp


-------------
Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA


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