Question about Sony Xplod XM-554ZR Car Audio Amplifier
Check the main fuse in the power cable. Should be within 1 ft of battery.
If that is in tact, use a voltmeter and verify 12V at the power terminal on the amplifier, as well as the remote turn on after you have turned the key on.
Also check ground continuity.
Posted on Dec 22, 2008
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