test radio wires

By marlcam
July 19, 2012 in Audio, Electronics & Software

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marlcam

Posted July 19, 2012

How to Test Radio Wires. There are 2 yellow wires in dash. One should be left rear negatv, one ignition switch. How can I test which is which with a multimeter? I' m trying to test for current with ignition key in accessory position. I get no readings, but I' m needing to check my instruction manual.

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