Question about Pioneer GM-X372 Car Audio Amplifier
The red light is flickering on the amp and no sound from the speakers i have no manual to refer to please help
With your multimeter set to DC volts and the black meter lead on the ground terminal of the amp, touch the red lead alternately to the B+ and remote terminals. If the voltage drops below ~11 volts, you need to check the wiring feeding whichever line is dropping too low.
If the voltage remains near or above 12v, disconnect all speaker wires and signal cables from the amp. If it powers up and the light stays on, the wiring needs to be checked. If it still shuts down, the amp likely has at least 1 blown output IC.
Posted on Nov 30, 2007
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