M915a1 oil pressure sending unit

[Hooty481]

Having trouble find the oil pressure sending unit on my m915a1.I know my engine is the big cam III. I want to install a manual oil pressure gauge and ditch the junk electrical unit. I have looked and looked. It seems that there are 3 difference coolant sending units that I have found. Any help will be great.

 

[Ferroequinologist]

It is just under and behind of where the fuel filter goes, against the block. I've knocked the wire off several times when changing the filter.

 

[Hooty481]

Ok. I looked and looked today and was going to change the fuel filter today but I didn't get a chance. I will try it tomorrow. I think I will use a tee so thenoil pressure idiot light will still work and won't be on all the time.

 

[Ferroequinologist]

crappy picture-

Red is the oil sending unit for the gauge, green is the bottom of the fuel filter.

 

[Hooty481]

Checked under the hood today and BAM there it was. Didn't get a chance to install the new one or pull the old one off. Gotta make a run tomorrow to get a load of dust. Gonna change the fuel filter then change the gauge then.