MB 108 Engine Wiring Harness Replacement

[73MB280SEL]

Hello,

I have a 73 MB 280 SEL 108 bodied car that has mostly new engine sensors, relays, and injectors, but the wiring harness is getting really brittle. The insulation has become so hard that I can barely move the wires without breaking it thus exposing the copper. I have repaired most of the cracks, but I was wondering if anyone has replaced one of these engine harnesses before? Does anyone have a source for these harnesses? If not, how about a source for the connectors. I may be able to order the wire and other supplies and build it myself.

Thanks,

Sholin

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Lt. Blue 1973 MB 280 SEL (108) with sunroof and console shift.
1996 Chevy Camaro Z-28 LT1.