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WTF happened to my amps??

T

Testosterone boy

New member
I bought amplifiers for the boat and jeep a while ago. Decided to install today. Boat amp worked great so I disconnected it so I could install it where it would be very difficult to steal.

Now the sucka does not work. Measuring over 12 volts on both power leads too. LED light will not come on.

Dug out the other amp, same thing.

Punch amps....pretty good ones.
 
It is grounded on the same thing I used when I tested it, the negative post of the battery. Good idea though, bad connections screw up a lot of stuff.
 
check the connections, check any in-line fuses and possibly a fuse either on the amp or in it. sniff the amp real good and if need be open it up. burnt electrical components have a smell you will reconize right away and will always remember what that smell is. if you do open it up as last resort also look at the circuit board very closely, its easy to spot something burnt. and it usually is something associated with the power supply or the ground on the board.
 
2Thick said:
What sponge said.

Except do not open up the amp.
Click to expand...


That voids the warranty which has prolly expired anyways. Can't check for burnt parts or bad fuse without opening it. I should haul it in to the store I would think.
 
Make sure the remote on lead has enough current, you can have 12V, but not enough amps for it to operate properly. Try connecting the power 12V, and the remote-on 12V to the same direct positive source.

......might help.
 
spongebob said:
check the connections, check any in-line fuses and possibly a fuse either on the amp or in it. sniff the amp real good and if need be open it up. burnt electrical components have a smell you will reconize right away and will always remember what that smell is. if you do open it up as last resort also look at the circuit board very closely, its easy to spot something burnt. and it usually is something associated with the power supply or the ground on the board.
Click to expand...


Like he said check all that. Then make sure when you hook up the power cable to also hook up the remote "turn on" cable. It's usually a thin blue wire plugged next to the +12V socket. Not hooking this up will not let them amp turn on. If youdo not run this little wire just take the +12v red cable to attach it to both connections at the same time. This will turn them amp on and power it with the ignition and not the headunit. But everything will work just fine.
 
2Thick said:


How old is it?
Click to expand...

I bought them a couple years ago, just getting around to installing. Someone tore my dash apart stealing the last stereo and amp and I lost interest for awhile. I just wanted to kill the fucker.

Its a big amp, I'm using a 6 guage wire to supply power from the battery. I would think it would be bad to have the amp turned on all the time by running the blue line from the battery as well.
 
Testosterone boy said:


I bought them a couple years ago, just getting around to installing. Someone tore my dash apart stealing the last stereo and amp and I lost interest for awhile. I just wanted to kill the fucker.

Its a big amp, I'm using a 6 guage wire to supply power from the battery. I would think it would be bad to have the amp turned on all the time by running the blue line from the battery as well.
Click to expand...


It's not bad at all. The amp only really runs when there is a sound source going through it, other times it's actually on stand by, even when turned on. This is why they only get really hot when playing loudmusic/bass...
 
It was the friggin cheap ass battery they installed. Measures 12.8 volts andlacks the power to drive the amp despite having a charger hooked up to it. Guess I'll get a new one. This thing gets a new battery every friggin year it seems.
 
Testosterone boy said:
It is grounded on the same thing I used when I tested it, the negative post of the battery. Good idea though, bad connections screw up a lot of stuff.
Click to expand...

While you can ground to the battery's negative post, it's definately not the best idea. Your grounding wire for the amp should be as short in length as you can possibly make it. It's best to ground right to the frame of the vehicle, not running it all the way back to the battery.
 
gsxr1000 said:


While you can ground to the battery's negative post, it's definately not the best idea. Your grounding wire for the amp should be as short in length as you can possibly make it. It's best to ground right to the frame of the vehicle, not running it all the way back to the battery.
Click to expand...



Fiberglass boat....hard to find grounds. Would think it would work to use a metal part on the dash maybe?
 
Testosterone boy said:




Fiberglass boat....hard to find grounds. Would think it would work to use a metal part on the dash maybe?
Click to expand...


Well yes, the hull is fiberglass, but it does have some sort of metal frame to reinforce it, no? There should be something in the dash to ground it to, obviously the readio's head unit is grounded to something in there.

Just be sure that you use the same gauge wire to ground that you use for power. So if you have a 6 gauge power wire, use a 6 gauge ground as well.
 
2Thick said:
What sponge said.

Except do not open up the amp.
Click to expand...

yea i would only recomend opening it up if the warranty was no longer good. and if something is burnt you should smell it without opening it.
 
Testosterone boy said:
It was the friggin cheap ass battery they installed. Measures 12.8 volts andlacks the power to drive the amp despite having a charger hooked up to it. Guess I'll get a new one. This thing gets a new battery every friggin year it seems.
Click to expand...

i think chargers actually supply high voltage low current for starting and just a low current for charging.
 
gsxr1000 said:


While you can ground to the battery's negative post, it's definately not the best idea. Your grounding wire for the amp should be as short in length as you can possibly make it. It's best to ground right to the frame of the vehicle, not running it all the way back to the battery.
Click to expand...

right. i used to make my ground wire just long enough to reach a good ground. another rule i used was always ground my bass amp seperately from every other component and then ground the other components in a star pattern. grounds are the cause of most noise problems in my experience. but following my rules i never had problems. grounds are very important.
 
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