Suit yourself on rewiring/rebuilding your engine wiring harness. The risk of engine fire alone would be worth the ~$800 to me, not to mention the aggravation of the car potentially leaving you stranded...

-GH

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For Now:
1992 Mercedes Benz 500SL
1998 BMW 528i
2003 Honda Element
2002 CBR600F4i
1977 Coachmen Motor Home