| After tidying up some gnarly and suspect crimp fittings.... funky oil pressure sensor operation was the result.
- computer needs to see that oil pressure before it'll allow operation of PTO, 4wd, diff lock.
Found the schematic for this harness. If my limited schematic reading skills are right, I think there's supposed to be an inline 60 ohm resistor (which I may have inadvertently cut out)
Connector D, #11 is the pressure switch I'm dealing with. If I isolate that wire from both ends, I should be able to ohm that wire, to see if in fact it's resisted or not.
If not, soldering in a 60 ohm resistor close to that switch is all I need to do.. correct? Are resistors directional, or installed either direction to flow?
Edited by rancherman 7/5/2024 23:59
 (Screenshot 2024-07-05 11.28.28 PM (full).png)
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 Screenshot 2024-07-05 11.28.28 PM (full).png (83KB - 9 downloads)
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help with wiring diagram MF 3680
