Question about Pioneer GM-7200M Car Audio Amplifier

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No power to amp

Just bought the Pioneer GM-7300M. Have all power connections hooked up...receiving power from battery and remote...amp will not power on. Was testing the connections and when I unhooked the rmote turn on and touched it back to the hookup the power light flashed on. Any ideas?

Posted by Campbellboy on


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Are you sure it has the full voltage going to both BATT and REM? sounds like the REM signal is weak.

Posted on Sep 22, 2007


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I have a pioneer GM-X524 amp connected to a TS-W253C subwoofer and it isn't working. It has 12v power to it and a solid ground, but the power light wont come on and the sub isnt working

there should be 3 power related cables connected to the amplifier:

1-From battery to amp via fuse (positive)
2-From chassis of car to amplifier (negative)
3-From head units (power continuous) (blue or blue/white cable) to the amplifiers remote connection.
this connection enables the amplifier to switch on when the head unit is switched on and off when the headunit is switched off.
I hope this helps and let me know if I can further assist you.

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My Pioneer GMX552 Seems to have been hooked up properly, with power and the speakers have power to them. The RCA pin are connected, however I am not receiving any sound. Can I get a list of...

i doubt its the rca cable. check the connections from the back of the head unit, also check that you didnt blow any fuses either from the wire from the battery or on the amp also check the remote wire (little blue wire) and make sure its grounded really well

Mar 26, 2011 | Pioneer GM-X522 Car Audio Amplifier

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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!


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My GM-7300M anot woking

With your multimeter set to DC volts, the black meter lead on the ground terminal of the amp (not on the point where the ground wire connected to the vehicle) and the head unit on (so the amp will have remote voltage applied), touch the red lead alternately to the B+ and remote terminals of the amp. If the voltage is below ~11 volts, you need to check the wiring feeding whichever line is too low.

If the voltage on both terminals is 12v or higher, the amplifier may be in need of repair.

Let me know if you have any other questions.

Aug 07, 2008 | Car Audio & Video

1 Answer


Buy an amp wiring kit. The battery cable goes to the battery (duh, right?) with the fuse within 18 inches of the battery. The ground gets bolted to a clean section of the car chassis/body. the remote lead goes to the radio's remote out (blue/white stripe). the rca cable goes to the radio's Sub/rear RCA outputs. Speaker wires go the speakers. Done!

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Pioneer GM-7300M 800 Watt amp will not power on

This may have a different type of triggered turn on wire. On some of the older Pioneer amps (and maybe some new ones) the trigger wire would SUPPLY B+ TO THE RADIO and when the radio was switched on the amp would sense a current draw on that wire and would then switch on. Unlike most common amps which sense the presence of B+ on the trigger wire supplied by the radio and then turn on. Look in your owners manual to see kind of turn on system you have. If you don't have an owners manual then perhaps you can download one from Pioneer support. good luck

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Amlifier not working

connect your remote turn on and your problem will be solved

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