600SEL M120 V12 wiring harness - Mercedes-Benz Forum Aug 27, 2012600SEL M120 V12 wiring harness. Hello comorades. So I am confused on where the wiring harness are that get fried on the M120 V12. On the picture I posted, I circled the parts that I thought were the wiring harness that get fried, but from some recent reading, I'm thinkin I was wrong.Author: Wblack1967 r129 wiring harness | eBay Find great deals on eBay for r129 wiring harness. Shop with confidence. Skip to main content. eBay Logo: Shop by category. Shop by category. Enter your search keyword Mercedes benz R129 SL600 1993-95 V-12 updated engine m120 wiring harness cable. Pre M90 DBW / M120 Wiring Harness Installation Manual – Mast Mast M90 DBW & M120 wiring installation manual. To verify if this manual is the proper manual for your Mast Component, do a quick search of your part number using the search feature at the top of the page. CHEVROLET C10 PICKUP Wiring Harnesses - Free Shipping on Find CHEVROLET C10 PICKUP Wiring Harnesses and get Free Shipping on Orders Over $99 at Summit Racing!