No power to stereo amp

[gnealon]

Hey Guys... thanks in advance for any advice!

Yesterday was the first time I tested the radio since i put her away for the winter. Everything worked fine. I only have music coming out of the cabin so my first thoughts were a blown AMP(since i know the speakers on the deck work off the amp). When testing the AMP I found there to be no power coming in. However the blue (wire that signals the amp to power up) wire DID have 12V on it. I believe that blue wire is turned on by the button at the helm.

I checked every breaker on the boat as well as the 10AMP inline fuse located 6 inches from the amp. Everything checked out fine. :huh: Any other ideas where I can look?

Thanks everyone.

 

[ohsnow]

Most amps have fuses on them. side or bottom.
Also main feeder fuse may be blown even though it looks ok. Only way to know is ohm meter or replace.
I have a 140amp main to run 2 amps, but each amp also has own onboard fuses.
Blue wire is the trigger when deck is on to fire amp. 12v here is what you want.

 

[gnealon]

Most amps have fuses on them. side or bottom.
Also main feeder fuse may be blown even though it looks ok. Only way to know is ohm meter or replace.
I have a 140amp main to run 2 amps, but each amp also has own onboard fuses.
Blue wire is the trigger when deck is on to fire amp. 12v here is what you want.

ohsnow - thanks for the reply. The problem is definitely BEFORE the amp since i have no juice on the power lines. The only thing i can possibly think of at this point is a bad breaker (even though its not tripped... like you mentioned).

 

[rcknecht]

Check the fuse near the battery, in the engine compartment... My fuse corroded the past winter. My fuse is a 60 amp that powers two amps...

 

[gnealon]

Check the fuse near the battery, in the engine compartment... My fuse corroded the past winter. My fuse is a 60 amp that powers two amps...

Thanks... what does this fuse look like? I'm wondering if our boats are different?!?! I have a fuse/breaker panel in the engine compartment. Are you referring to that?

Also, keep in mind that this is the factory setup. I understand when running new/addition amps the install procedure is to put an inline fuse as close to the battery as possible. I believe my amp is fed via 1 of 3 breaker panels i have in my boat. Specifically the one at the helm (by my feet) that is marked "Stereo 3AMP". :huh:

Thanks for the help!

 

[rcknecht]

Thanks... what does this fuse look like? I'm wondering if our boats are different?!?! I have a fuse/breaker panel in the engine compartment. Are you referring to that?

Also, keep in mind that this is the factory setup. I understand when running new/addition amps the install procedure is to put an inline fuse as close to the battery as possible. I believe my amp is fed via 1 of 3 breaker panels i have in my boat. Specifically the one at the helm (by my feet) that is marked "Stereo 3AMP". :huh:

Thanks for the help!

My set is factory. On my boat there is a singe fuse holder attached to the forward wall of the engine compartment It is a blue cable conectted to a red cable.

 

[gnealon]

My set is factory. On my boat there is a singe fuse holder attached to the forward wall of the engine compartment It is a blue cable conectted to a red cable.

Got it! Great, now i have something to look for. Hopefully i have the same setup as you do. Thanks for the help! :thumbsup: