After another short drive last night, oil light on and off and still 0 oil pressure after warm up. (Oil is just between min and max on dipstick)No smoke however. Started thinking about the smoke and the oil light/pressure issue.

Looked back through records and no mention of lower harness being addressed. I obviously jostled/moved the lower harness around with removal of oil pan. Went back under car and could clearly see insulation has deteriorated on the lower harness.

I believe my smoke issue was either dropped/spilled oil on exhaust or wiring harness rubbing against something.

From my research, seems the lower harness is NLA, but looks like there are a few new ones still being sold on eBay and from my research, this isn’t a difficult re-wire.

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2022 FORD F-150 Lariat
1987 300TD
2007 GL 320 CDI
2002 ML 320
1985 300TD
1995 E320 (sold)
1991 500SL (parted out)
1995 E300D (RIP)
1991 300D (RIP)
1995 E320 Wagon (sold)
1992 300TE (sold)
1988 300CE (sold)
1994 E320 (sold)
1995 E300D (sold)
1978 300D (RIP)
1987 260E (sold)
1992 400E (parted out)
1989 300E (parted out)