theronm Posted April 17, 2010 Share Posted April 17, 2010 so i have a 93 sc300 and im trying to put in a new head unit but when i hook it up only the front speakers work. which wires go to the rear speakers? Quote Link to comment Share on other sites More sharing options...
1990LS400 Posted April 18, 2010 Share Posted April 18, 2010 Attached is a diagram for the standard 93 SC300 audio system - it shows the wire colors. 1993 SC300 std audio sys diagram.pdf Quote Link to comment Share on other sites More sharing options...
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