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<blockquote data-quote="fbi90909" data-source="post: 5369272" data-attributes="member: 568679">don&#039;t think it&#039;s his ground.this may be something to do with the general wiring.i had an issue with a friends install where the entire vehicles electrical was dimming VERY bad. he was running less than 1000w on an optima redtop w/ big 3.his head lights, fog lights, dash lights, amps, head unit, would all dim when even the slightest bass note was hitting. he could set the volume at 3 of 50 and everything would dim horribly. we found out that the terminal cups on the speaker box were causing an issue and instead of using them we directly wired the subs to the amps. the issue was then resolved.overall, check the wiring. make sure all lines are clean and no strands of wire are all overthe place at the terminal connections.check all your wires for any breaks.also watch your voltage. get a multi meter and tell us how stable the electrical is. does it sit at 12v or 14v and slowly dwindle down as you play or does it jump erratically?some feedback would help us figure your situation out.</blockquote>

[QUOTE="fbi90909, post: 5369272, member: 568679"] don't think it's his ground. this may be something to do with the general wiring. i had an issue with a friends install where the entire vehicles electrical was dimming VERY bad. he was running less than 1000w on an optima redtop w/ big 3. his head lights, fog lights, dash lights, amps, head unit, would all dim when even the slightest bass note was hitting. he could set the volume at 3 of 50 and everything would dim horribly. we found out that the terminal cups on the speaker box were causing an issue and instead of using them we directly wired the subs to the amps. the issue was then resolved. overall, check the wiring. make sure all lines are clean and no strands of wire are all overthe place at the terminal connections. check all your wires for any breaks. also watch your voltage. get a multi meter and tell us how stable the electrical is. does it sit at 12v or 14v and slowly dwindle down as you play or does it jump erratically? some feedback would help us figure your situation out. [/QUOTE]

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