Gm 3 Wire Oil Pressure Switch Wiring Diagram

When this happens the engine will crank till the oil pressure gets up and the oil pressure switch closes. You can use that for a relay trigger or for an electric choke or any other thing you want. Run wire from pressure switch to transmission connector location a see figure b for wire diagram and figure c for switch and connector diagram.

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If the fuel pump relay fails what usually happens is that the oil pressure switch feeds power to the fuel pump and gets the engine started and keeps it running.

Gm 3 wire oil pressure switch wiring diagram. I had mine set up to use that however i buggered up the plug above the oil filter and now i need a 3 wire because i only have one hole now. Nov 02 re. Stays past 80 after the engine is started. Here s a wiring diagram for the oil pressure sensor in.

The switch actually is 2 switches in one. 3 wire gm and ford throttle position sensor tps and oil pressure switch connector metri pack 150 series 1989 and newer. Fits gm sensor 17112679 and fors. This is a 2003 z 71 tahoe 5 3 engine.

My 2004 chevy tahoe oil pressure gauge some times drops to 0 psi mostly after it is driven 20 to 30 miles buy with no other. Fuck me running. Route wire from dash switch down to transmission pressure switch on right side of transmission behind servo. It so happens that on some vehicles cadillacs the high pressure sensor is connected to the other sensor voltage reference line.

The 3 terminal pressure switch has an extra terminal that can be used exactly like the oil pressure warning light. Fuel pump troubleshooting notes. Connect ground wire to case above lockup switch connector. Fuel pump wiring diagram.

So a shorted sensor will render the crank sensor inoperable. This circuit is similar to the basic wiring diagram the same except you use a different pressure switch and add a warning light that directly watches the oil pressure. There is also a two wire oil pressure switch when it sees pressure it will complete a circuit. I think that the oil pressure switch is bad.