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car almost stalls after sub/amp install
hey guys gotta few questions. 1991 camaro v6 1.3 auto. so i installed a 10inch sub and a 900wat amp. 4 gauge wire all the way around. i grounded it to the back seat top of the seatbelt harness. the system sounds great. but now my car is on the verge of stalling. i turn the radio down its ok as long as im not running any other electronics, lights heater........ the alternator is pretty new looking if i had to guess no more then a year or 2 old. the battery is a marine battery. looks pretty old. also i noticed that the negative battery cable is actually a terminal for a side mount and the positive is standard type terminal. is that normal? and if its not what are the downfalls of it? also i just bought a optima yellow top deep cycle battery do you think this will fix the issue? and are there any better ground points in the trunk that are easier to access ?
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