Blowing Fuses - Chevy Impala SS Forum
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post #1 of 16 (permalink) Old 01-02-2007, 11:32 PM
mr k gee
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So I blew 3 (30amp) fuses in my amp the other day.
Haven't had time to check it out.
I bought 3 from radio shack and they blew out too.

They blew out when I had my stereo come on at a very high volume with a big bass note playing. Normally can play, but the burp blew them.


Now with the volume down, it still blew.

I do have a 2nd battery in my trunk and no fuse between it and amp. I have the fuse between the first and second battery.
Wires are good.

I can usually figure these thigns out but I started school and am busy 8am-10pm.
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post #2 of 16 (permalink) Old 01-03-2007, 09:35 AM
the96pala
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A. Upgrade fuses (temp fix)


B. Sounds to me like your amp is clipping. I doubt a fuse between the 2nd battery and the amp is going to help


C. Possible the amp is fried
post #3 of 16 (permalink) Old 01-03-2007, 01:56 PM
mr k gee
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im gonna disconnect the amp from power, which I didnt do when I installed the cheap radio shack fuses.
Then turn it off from H/U.
Then reinstall everything and turn amp on H/U and see if it stays.
Hopefully I didn't fry the amp.
 
post #4 of 16 (permalink) Old 01-03-2007, 04:56 PM
bbodyguy
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Your amp is toast.
post #5 of 16 (permalink) Old 01-03-2007, 05:07 PM
Jimsterlok
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Quote:
Originally posted by k gee™:


I do have a 2nd battery in my trunk and no fuse between it and amp. I have the fuse between the first and second battery.
Wires are good.

Kevin there should be two fuses between the batteries. If the fuse up front blows because of a short there will still be current from the second battery through those oh 12 feet of power wire Elecrtical Fire = bad.

Cracka you have no clue what an amp clipping sounds like [img]graemlins/0.gif[/img]

It might be your amp Kevin. One of my memphis 3004 started doing that. It was the power supply. Memphis fixed it.
post #6 of 16 (permalink) Old 01-03-2007, 05:31 PM
mr k gee
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Yea I know I need a fuse between the 2nd batt and amp. Been hoping for no fires...lol.
post #7 of 16 (permalink) Old 01-03-2007, 10:43 PM
mr k gee
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Well, I bought 3 more fuses, disconnected the amp and installed them. Put the ground to amp and it started smoking. Opened it up and tried again and the amp was catching on fire. BUT the fuses DID NOT blow. [img]graemlins/.gif[/img]

I am guessing its "fried".
It was only catching fire from the side where it is off the main board. Kinda where the heat sink looking things are.

What can I do?

Should I install another amp I have here? Or will it prolly fry also?
post #8 of 16 (permalink) Old 01-04-2007, 03:25 PM
the96pala
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That's a question that could go either way. It may have been a bad amp....


Or you could have bad wiring or a short out that took the amp down. I would suggest checking the voltage at the amp (if any) and check the voltage at each fuse.... also check the wire for any snags or exposure
post #9 of 16 (permalink) Old 01-04-2007, 04:09 PM
bbodyguy
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As someone who repairs amps, your amp is toast.

Remove and replace.
post #10 of 16 (permalink) Old 01-04-2007, 05:32 PM
mr k gee
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Amp was good...it blew fuses and stopped working when the cd came on at a high volume and large bass note. It appears its done for, but it doesn't make sense as to why. As far as the sudden bass hit, I would think it would have simply blew the fuses. Not fried the amp. Oh well.

I did plan on checking voltage, just need to find time.
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