amp problem

[cdst4302 10+ year member]

ok so this might be kind of a stupid question but yesterday someone was loading something in the back of my car and i had to move my box and amp over so it would fit, and when they put it in they shifted my box even more and im guessing bumped the amp and it caused the ground wire to come loose, not completely come off but just loosen so of course the amp cut out and what not and i thought it was no big deal, ill just pop the wire back on and all will be good. well, it's not. i retightened and checked all the wires to make sure they were secure and my amp does nothing. the power light doesnt even come on so what i wanted to know is if theres anyway to find out if he fried my amp or possibly my fuses?

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[BEAVER.989 10+ year member]

check your fuses.

 

[Alex965 10+ year member]

Check all connections Power, Remote, and Ground with a multimeter.

 

[cdst4302 10+ year member]

ok so i checked the fuse on my battery and my amp and power was running through them just fine, also there were no signs of arcing or burning around any of the terminals. the weird thing was that when the car was turned off, the amp had 12 volts running through it, but when you turned it on, the power would drop down to about 3 volts... any ideas what that might mean?

 

[dman4486 5,000+ posts]

check voltage at the + on amp, the remote on amp....both with car on and off....post the results

 

[cdst4302 10+ year member]

power off: 12 volts

power on: about 1.5 volts

 

[dman4486 5,000+ posts]

power off: 12 voltspower on: about 1.5 volts

power or remote?

 

[mile098 10+ year member]

that is weird..u short fused it most likely...no protect light?

 

[cdst4302 10+ year member]

power

 

[cdst4302 10+ year member]

that is weird..u short fused it most likely...no protect light?

no light at all, power or protect

 

[dman4486 5,000+ posts]

no light at all, power or protect

sounds like time for a new amp

 

[cdst4302 10+ year member]

sounds like time for a new amp

yeah im kinda seeing that.

i just dont understand how merely loosening the ground wire caused it to fry

 

[SilverSquared 10+ year member]

kinda amp? Some internally have a fuse to protect against that kinda stuff. Might have blown that, if it has one.

 

[dman4486 5,000+ posts]

was it on when this happened?

 

[dman4486 5,000+ posts]

kinda amp? Some internally have a fuse to protect against that kinda stuff. Might have blown that, if it has one.

if the amp was off, then why would the fuse pop by removing the ground

makes no sense to me