Question about Pioneer GM-X862 Car Audio Amplifier

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Blown fuses i have a pioneer gm-x862 amp powering a 15 inch sub.it's worked fine for the three weeks i've had it but the other day it blew both fuses and stoped.I checked it and it was pretty hot.i then put more fuses in and it would blow them instantly as i turned on my car.please help!!!!

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  • mattnjess96 Oct 06, 2008

    i found one of the black little boxes with 3 prongs on the side blown.is there anyway this can be fixed?this is the second amp that i'v had that done this.

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There is a possibility that the current load is excessive nor there is a short circuit from elsewhere, do not try to install again a new fuse unless you are certain there is no shortages of any wire from inside the amp and throughout the system by physical inspection

also install the right value for your fuse meaning the right amp and voltage, high temp is an indicator of shortages and defective power transistor

Posted on Oct 06, 2008

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I have a Pioneer GM X862 car amp, with a constant red light on it. Also, it is supplying the subs with power, they are lightly vibrating but its not pushing like it should. No bass.


Make sure your power line comes directly from the battery and that iyt has no abrasions or cuts in it. Check your ground and make sure that it has a good connection to the vehicle chasis. Ensure that the remote line is connected properly to the remote lead from your head unit/receiver.

Common mistakes in this area are using the remote turn on lead as a power lead. It does not have near enough power to drive the amp so you will only get a slight trickle of power.

Good luck!

Jake

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1 Answer

I parelled one 15" q power subwoofer to my brideged pioneer amp.The amp got really hot and blew a fuse.How should I wire my dvc subwoofer to the briged amp.


Hello sir, hi, YOU DON'T bridge no more speakers, this upsets the impedance load of the amp. to install another sub-woofer, get another amplifier. You may have damaged your power amplifier, If you experience repeated fuse blows, your power amplifier is now SHORTED. This needs IC amplifier replacement.

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1 Answer

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check the connection for the woofer(low ohms) the omhs cannot be less than the amp is used for make sure power with the power ad hase the wright gage size and ground is grounded perfectly

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1 Answer

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Hello! Yes, It certainly looks like the output power circuit has blown.

I wish I had better news.

Guru................saailer

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1 Answer

I have a GM-X862 pioneed amp. red light flashing


REMOVE THE RCA INPUTS AND DISCONNECT THE SPEAKERS, THEN POWER THE AMPLIFIER UP WITH THS NO INPUT, NO SPEAKER LOAD CONDITION. IF IT STILL GOES INTO PROTECTION AND YOU HAVE VERIFIED THAT THE POSITIVE AND ESPECIALLY THE GROUND CONNECTIONS, ALONG WITH THE REMOTE CONNECTIONS ARE 100%, THEN THE AMPLIFIER WILL NEED TO BE SERVICED. LET ME KNOW IF YOU NEED FURTHER ASSISTANCE.....V

Dec 01, 2009 | Pioneer GM-X862 Car Audio Amplifier

1 Answer

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make sure you do not have the ground and power crossed or touching if that dont work then you have ground problems hope that helps if not your amp is at fault(replace it)

Nov 03, 2009 | Pioneer GM-X862 Car Audio Amplifier

1 Answer

Basicly my speakers were working fine, my subs were working fine but everytime i was turning my volume up to a certain level i would lose all base and all noise from the subs in my boot, so i turned it...


The amp should always light up showing you that it is powered and there will also be a red light that will light up if theres something wrong.Sounds like maybe the hot wire that goes to the amp isnt big enough to give the amp enough power.Check your positive wire and ground wire for tightness and make sure hot wire supply is big enough and also the ground wire is big enough and has a good ground.I hope this Helps you.Have A great day..

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may have blown an output transistor. Remove the wires from the speaker terminals and see if the problem still persists. If the light comes on with no load, it will need servicing by a technician.

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