93 300e

The po went crazy with the wire snips. Everything behind/around the radio is cut and just wires everywhere. Currently trying to get an aftermarket radio working. Was able to find the +12 +12ignition and ground but can’t find the power antenna, or any of the speaker wires

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1993 e300
1995 e320
1994 e320
2006 s500 4matic
2004 Jeep wj overland
2001 Ducati 748
2004 Honda shadow aero