Blowing fuses under hood but nothing looks smoked in the amp
I am blowing 80 amp fuses when the amp turns on. I have disconnected subs, RCA's, and just have 4 gauge for power, 2 (or dual) 8 gauge for ground, and a remote turn on connected. If I disconnect the remote turn on and connect power and ground, it doesn't blow the fuse. Its not until it recieves a signal from the remote turn on. I have everything turned down on the amp, and like the subject says, nothing looks smoked in the amp.
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What smoked ,the Fuse? SHORT ? what fuse ? Main fuse - explain ? Still no fire ? Doesn't crank , no spark ,what ? Does the starter spin the engine when you turn the key to the start position ? a crank no start condition . or a no crank - no start ! Check fuse F1 80 amp in the under hood fuse box.
To blow a fifty amp fuse would take a major short circuit, referred to as a 'dead short' this means that a wire with 12 volts positive (+) is in direct contact with an Earth (-). If you follow the path of the power you will find where this is happening. sometimes you may need to temporarily disconnect some contacts
Disconnect all speaker connections and rca cables. Leave power, ground and remote wires intact. Try turning on again. If you still have a protection light your amp is faulty. Hopefully you have warranty . Please use volt meter to test correct voltage and ohm feas ng on speakers.
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check the AMPS for all your fuses sometime a low amps fuse in the wrong slot can blow otherones. also sometime you can increase the fuse that keep blowing. try that first if that do not work you might need to run and electrican test on your fuse box to check if you have a short. also check your fuseable link on the fuse panel under the hood.
there are generally two control boards, I am assuming you looked at the lower one. I would first disconnect the power leads at the board and see if it still blows the circuit breaker (fuse?). If it does the check wiring for short. If OK then reconnect power leads and then disconnect all other wires (plug-ins) to the board and try again, each time plug a connection in and retry. (remember to disconnect power each time). I have a feeling the smoke got let out of this lower board and may need replacement. hope this helps www.twincityrepair.com
The fuse is a protective device. Fuses dont blow unless the amp ( in your case ) is drawing too much current. DO NOT put a bigger fuse in. Obviously, there is a problem with the amplifier inside the sub. If the sub is under warranty, send it in for repair to an authorized warranty depot. If not it's not under warranty, then take it to the authorized warranty depot anyway. Why ? because they will have the schematics ( electrical diagrams ) to troubleshoot the unit quickly and it may be a common problem. If it is a common problem, the factory may have released a modification and possibly it could be covered under warranty under a factory 'goodwill' program. Good luck. Rob