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Oil pressure light on when car is off! 200 1982

posted by  someone claiming to be hillbilly on  Sun Jun 5 05:35 CST 2005 [RELATED]

Last week I re-wired the oil pressure circuit on my 85 245. It was a problem caused by the rotting engine harness. The wire that runs to the oil sender comes out through the firewall and is one of the wires (black) that is included in the big connector at the center of the engine on the firewall. It goes directly from there to the oil sender. I simply cut the wire and soldered a new wire on. From this point I routed the new wire around the engine, over the right side strut tower and down alongside the ignition module and zip tied it to the existing wiring. I cut the old wire loose from the connector for the sender switch and soldered the new wire on. I covered all of my splices with shrink tubing, and my problem was solved. Don't try to pull the old wire out because you may damage the old insulation on the remaining wires in the bundle. I also did the same thing to the (small red) alternator wire coming from the dash and paralled it with my new oil sender wire. It's also located at the big connector and goes straight to the alternator.
Hope this helps
steve






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