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Message: <blockquote data-quote="Mr. C" data-source="post: 3718523" data-attributes="member: 574198">Same thing happened to my friend with his 4 Colossus amps.  Each one was wired up power, remote, and ground.  Hooked up the front positive at the battery and all was good.  Hooked up all the positives at the six batts in the back and all was good.  Grounded the front batt and all good.  Added the grounds for the rear batts (grounded to the frame) one by one and two of the four started smoking.  Smoked almost all the mosfets on one side of both of the amps.Got them replaced by the dealer.  All four amps hooked up and banging away on 4 DD9915's and then one by one, the amps started smoking again.  Same mosfets on the same side that the previous ones failed on.  Three amps gone.  Dealer replaces all four amps and he ended up selling them all.  Still have yet to figure out how that happened.</blockquote>

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