pump pressure switch wiring diagram - TradeSphere
Achieve max electric fuel pump output and safety using a relay plus an oil pressure safety switch. Achieving maximum output and safety with a custom-wired electric fuel pump requires a properly ... MLive: Stan Harrison: Make a habit of switching water/well pump pressure switch A common issue is a wire getting tugged loose or chafed during the starter removal.
Understanding the Context
2. ECM to Lift Pump Wiring: The lift pump is controlled directly by the ECM (no relay in some cases, despite the one you checked). The ECM sends power to the lift pump via a transistor, and a damagedwire here could cause your issue. EDIT, this post is a how to tare the pump apart, and some of the inner workings.
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Post #3 Is how to modify the pump. Maybe not explained, but I decided to grab some pics of my spare PS pump. Take out the outlet fitting on the pump, and the (2) 18mm bolts and the resivior should come off with... The injection pump had to be fitted to get the gear lash correct. As it turned out, the 6.7 head doesn’t have enough room for the P-pump.
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The early 24v and the 12v have room cast in the intake plenum to allow for the fit of the p-pump. On later motors, the intake plenum has been opened up quite a bit. A few options can be used here. So I have the standard Question. I wanna put a RPM spring in my trucks and i dont want to pay someone to do it. I want to learn how to rebuild my injection pump my self so i can do all of my own work.
Make sure it is done right.:banana: so i figure anyone can take it apart and put it back...