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Unread 04-05-2009, 04:12 PM   #1
Sidewinder
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dual 600w amp wont stop blowing fuses

i went off roading this weekend and my amp got muddy, as well as my entire floorboard. i washed it all out and the amp got a good dowsing. now it wont work and the fuses keep getting blown im worried that the water messed it up. i didnt mean to get it that wet anyone know how to fix it?

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Unread 04-05-2009, 05:06 PM   #2
rubibluejay
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Sounds like you fried it.

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Unread 04-05-2009, 05:26 PM   #3
MAX_Xj
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^^ same here mine got wet a few times then just decide it didnt wanna work anymore
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Unread 04-06-2009, 08:16 AM   #4
mylt1
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you should not have replaced the fuses that soon. it needed time to dry out. there is a chance, however slim it may be, that if you leave the fuses out and give it a few days to dry out it may still work. but with you continuing to put fuses in that may have caused the demise of the amps.
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Unread 04-06-2009, 11:13 AM   #5
gily25
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How big is the amp? Will it fit in a ziplock bag? Bag it and put in a small bowl of rubbing alcohol. It takes condensation off of circuit boards (this is good if you ever go swimming with your phone). After about 24 hours of that let the amp sit somewhere warm (in your house, not in the basement or Jeep). In a day or two you should be able to reinstall it and give it another shot.

If it's blowing fuses it's powering up and THAT is good news for you. If the rest of your Jeep also got wet, check all your wiring connections as they will need to dry out as well.

Next time you think something like that is going to happen stop wheeling and pull the main fuse in the power wire near the battery. A lot of times (even if it gets wet) you can protect unnecessary damage to the board by not allowing it to fry itself.
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Unread 04-06-2009, 01:36 PM   #6
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Unread 04-06-2009, 01:44 PM   #7
gabrod72
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Most modern car amps use transistors on the outputs (mosfets.) They may also be using mosfets for a DC/DC step up converter that your 12V battery power connects to. When electronics get wet, the parts can usually survive being they were not powered or turned on. Also, you will have to thoroughly dry it. If the amp was on during the event, then all of the drying techniques in the world will not bring it back to life. You can take it apart and see if you can find a blown part with three legs on it. Try to get the part number and use digikey.com for a cross ref. If not, then call the MFG and ask them what the standard charge is (Rockford Fosgate is around $86 + shipping.) Maybe worth it if you have an expensive amp. Anyway, just my .02
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Unread 04-07-2009, 09:09 AM   #8
gily25
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Quote:
Originally Posted by gabrod72 View Post
If not, then call the MFG and ask them what the standard charge is (Rockford Fosgate is around $86 + shipping.) Maybe worth it if you have an expensive amp. Anyway, just my .02
He said the amp was Dual so it's cheaper just to buy another if drying time doesn't resolve the issue.
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Unread 04-07-2009, 10:43 AM   #9
SirGCal
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I've submerged my amp multiple times. The key is to keep power away from it for a very long drying time. (about a week generally). Any power applied before it's dry could cause damage to the amp. If you're lucky, the fuses are still catching it soon enough but with water, this is easily not so. If it drys longer and then works, that was probably the case, but if it's still got water or mud in it, and power is applied, it could very well be damaged.

The good note, being a cheap amp, it's cheap to replace. Downside, if it's blown, it's cheaper just to replace it then fix it in most cases unless you can troubleshoot and repair yourself.
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