2004 HYUNDAI SONATA
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how to install 4 wire trailer hitch wiring harness to correct wires on car
Dec 29, 2012 at 9:13 PM
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ASEMASTER6371
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call the dealer and see if there is a plug and play harness for the model.

otherwise, go to a parts store and get the connector. it has instructions with a test light to install.

Roy
Dec 29, 2012 at 9:15 PM