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best way to ground amp

  #2  
Old 10-04-2009, 03:49 PM
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Sounds like your gain is two high and your amp is overheating causing it to go into protection mode. If it's not shutting off complete for a few seconds at least then you have a bad ground and your amp is being choked. Find a nice bolt that is not isolated from the body through paint or rubber isolators. If there is paint between your ground and the body panel be sure to sand it off. To be certain you have a good ground measure the resistance between your amp ground and a known good ground, it should measure 0.00 ohms and nothing more.

EDIT: If your HU have 2v preouts your gain should not be much passed a 1/4 of a turn. 4v or 6v preouts you shouldn't have to turn your gain up at all, maybe slightly with the 4v.
 
  #5  
Old 10-08-2009, 04:01 PM
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Don't think that is a good choice Tyler. That piece could be isolated on rubber, so only the bolts are giving you continuity. Or if the piece is painted before being installed there will be paint in between that and the rest of the body. Down in the spare wheel well or under the trunk liner are plenty of good ground spots.
 
  #8  
Old 10-08-2009, 07:26 PM
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I wouldn't ground it there either, that latch may be isolated with plastic or rubber to protect it from vibration. It definitely is mounted paint on paint, even if you scrape the paint off at the terminal won't make a difference. Just find a bolt in the spare wheel well, or under the liner. Will be well worth the effort.
 
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