Oil pressure switch and sensor HELP!!

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duece1951

Junior Member
Joined
Oct 7, 2023
Posts
28
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25
Location
Fort Myers, FL
First Name
thomas
Truck Year
1984
Truck Model
GMC C1500
Engine Size
305
Why does my 1984 c15 have a oil pressure switch and and oil pressure sending unit? The one down by the oil filter is hooked up and the one behind the distributor is not hooked up, broken wire. Can’t find the tan wire that it came detached from. Oil pressure gauge reads 60 psi in the truck or not. Power on off. Does not matter. Is it possible that someone could not get the manifold one off and put the other in and that is why the gauge does not work? Fresh oil and is at correct level. I am at a loss and any help would be great. First square body.
 

duece1951

Junior Member
Joined
Oct 7, 2023
Posts
28
Reaction score
25
Location
Fort Myers, FL
First Name
thomas
Truck Year
1984
Truck Model
GMC C1500
Engine Size
305
Also when I test the contacts in the dash the gauge goes into I get no power period.
 

Ricko1966

Full Access Member
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Apr 11, 2017
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Location
kansas
First Name
Rick
Truck Year
1975
Truck Model
c20
Engine Size
350
One is for the gauge 1 powers the choke.op controlled so choke doesn't have power unless the engine is running
 

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