Question about Sony Xplod XM-1652Z Car Audio Amplifier

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Green light, No Power

Hi. I have the amp hooked up as follows: 12v + from car battery to fuse then straight to amp 12v + input. The remote wire is hooked up to a 12v + supply from a switch. Neg. is hooked up directly to the frame. I have the speaker wires theat used to go to my factory subwoofer connected to a box that coverts it to RCA for the amp, which of course is connected to the input side of the amp.

A voltage reading of 12.74 volts is at the Pos. and Neg. terminals at the amp, but when the remote is switched on, the voltage drops to 4.337 volts and the green light is of course, now dim. I checked for loose connections and even ohmed my pos. and neg. wires with a reading of less than 1 ohm resistance. I also took the speaker wire for the factory subwoofer and hooked it up directly to the speaker wire input on the amp with no success.

The neg. cable is hooked up to a mounting bolt at the rear deck of my car. It seems to be a ground as I have referenced it and recieved a good reading. Is it possible that something is dropping out when the amp demands power? I did also run the car with 13.54 volts being supplied with the alternator running.

Thank you so much!!

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Disconnect the remote wire and make a jumper at the amp from the 12v + to the remote input and see if you get the same results. If yes, then you probably have a bad ground point. It might not be able to handle the transfer load it's receiveing. If no, then you have an issue with your remote wire or power wire. Check for any kinks or pinches in the wire.

Posted on Jan 29, 2009

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