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Old 02-20-2012, 03:58 PM
timmyr timmyr is offline
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Join Date: Oct 2008
Location: 1993 300E 2.8L M104
Posts: 152
hello again,

have you checked out the 3 links i sent you in your other thread. they will help you figure out whether or not your wiring harness has been replaced or not? there should be 2 different dates on the harness :
"ZD on the Tag is Zeichnungsdatum = Design date"
"FD on the tag is Fertigungsdatum = Manufacturing date"

i am not 100% sure but if the FD date is between 91-96 then that means the harness will have the biodegradable wire insulation, which is bad news.


if your wiring harness FD date is 91-96 then it will probably need to be replaced or rebuilt. i think a forum member by the name of "victor300E" rebuilds harnesses, so you might want to PM him if you dont feel comfortable rebuilding it yourself.

if it is newer, then the PO's rat story might be true and you might be able to get by by repairing just the damaged insulation.


your last pic is a separate harness, more info here:

PeachPartsWiki: Starter & Alternator Harness Replacement

the lower harness/starter alternator harness(it also includes the oil pressure sensor wires, which i believe are the ones with the cracked insulation) . so if it charges and starts , dont worry about the lower harness for now.
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