Question about Alpine MRP-M350 Car Audio Amplifier

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Fuse on amp keeps blowing

The fuse on the side of the amp blows after replacing with a new one after about ten seconds of properly working. there are no shorts in any of the wires.

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  • stevenrso6 Feb 29, 2008

    i disconected the amplifer , and when i re conected the amp

    the 20A fuse's keeps blowing up

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  • 218 Answers

Something fried inside. Possibly an output transistor or MOSFET.

Posted on Jan 21, 2007

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1 Answer

2004 pt cruiser keeps blowing fuel pump fuse,replaced fuel pump, no change.runs rough at idle and stalls,blows fp fuse,also replaced ign.coil,plug wires and plugs also changed relays


There are two fuses for the fuel pump relay. One fuse is load side of relay, that fuse also sends voltage to load side of asd relay, the asd relay sends voltage to several systems, two of which are the fuel injectors and ignition coil. I'm not telling you to replace, anything, but, you need to do some testing.
The other fuse goes to control side of relay, smaller amp fuse. I don't know the amp rating of the fuse that keeps blowing.
See that fuse, it supplies voltage to load side of fuel pump relay and also to asd relay.
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Oct 22, 2016 | 2004 Chrysler PT Cruiser

2 Answers

Amp fuse 30a keep blowing


You have possibly melted a couple of wires together along the radio circuit. Also the radio unit itself has 1 or more protection fuses actually inside the unit that have blown, usually at back of unit in little bay near the wire clusters.
Check your relays too, a blow out through jump starting can do all sorts of little burn-outs.

Oct 15, 2016 | 2006 Lexus Rx 330

1 Answer

I replacsed th wiper transmission and now the wiper fuse keeps blowing I did not work on any thing but that


Does the fuse blow when the wipers are off or when you turn the wipers on? A fuse blowing means either a short circuit or an overload. Lets say that your wiper transmission is new and working properly, then an overload is probably blowing the fuse which is caused by the circuit pulling to much current because something is not aligned correctly and moving freely when the wiper motor is turned on. Before you connect the arms to the transmission, move the arm assembly manually with your hand to make sure the wipers go across and back on the windshield. This will verify that the arm assembly is moving freely and not jamming. Then turn the wiper transmission without connecting the wiper arms and see if the transmission is working properly and not blowing the fuse. This will verify that your wiper transmission is not defective. Check the wiring going to the wiper transmission for any bare spots or nicks on the wire insulation. If you have a bare spot or nick that is touching metal, the fuse will blow (this is called a short circuit). If you find a bare spot or nick on the wire use electrician tape to insulate the bare spot or nick. Usually three wraps of electrician tape around the bare spotor nick will do the job. Oh, make sure to replace the fuse with the correct amp fuse. Your car dealer auto parts can provide the information (over the phone) on the correct amp size. You can purchase the fuse at any auto parts. FYI: Too small an amp on the fuse will blow when the wiper is turned on. Too large of a fuse will cause the wiring to burn if your wipers should stop shifting and jam. Good Luck. Hope this helps.

Mar 07, 2014 | Chevrolet Cars & Trucks

1 Answer

Keep blowing fuse in overhead light in bedroom in our 98 sportsman altra new vision 3556px3


Short circuit or system is overloading try a higher amp fuse

Dec 28, 2013 | Motorcycles

2 Answers

Tail lights work fine but no brake lights. Fuse keeps blowing whenever I replace the fuse.


check wiring on shift columb going to turn signal switch it could be the switch it self I had this happen on a new chevy truck hope this helps good luck jerry

Feb 16, 2013 | 2001 Jeep Grand Cherokee

1 Answer

Where's the fuse for the AC on 98 Olds 88?


So what does the fuse that blows, protect?

You need a wiring diagram & start to test
the components most likely to cause a high
current draw & blown fuse.

Don't keep replacing it.

You know the fan control circuit works, but the
compressor doesn't stay on. Did you monitor
the compressor as the fuse blew?

May have a module for compressor & fan
If so one side failed
The compressor clutch could be bad

May 24, 2012 | 1998 Oldsmobile Eighty Eight

1 Answer

Why does my mower keep blowing the 20 amp fuse


could be the safety switch for the pedal

Apr 23, 2012 | Husqvarna Garden

1 Answer

The Air conditioning system keeps blowing a fuse.


it is more than likley the a/c clutch u/s it needs to be replaced

Mar 25, 2009 | 1999 GMC Sonoma

1 Answer

Fuel system fuse keeps blowing


where wire run to pump over fuel tank i thing you will find they are chaffed .use a lenth of twin flex and rewire it quickest and easyest

Feb 02, 2009 | 1991 Jeep Wrangler

1 Answer

97 mazda protege dx wipers keep blowing fuses


try grounding the wipermotor housing.

Nov 14, 2008 | 1997 Mazda Protege

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