HOLLEY OIL PRESSURE SWITCH PDF fileHOLLEY PRESSURE SAFETY SWITCH INSTALLATION P/N 12-810 Congratulations on your purchase of the Holley Pressure Safety Switch! If you have any questions about the product or installation, please call Holley Technical Support at 1-270-781-9741. Follow the instructions as outlined below, using the wiring diagram (on back) as a guide. 1. JEGS 11200 Installation Instructions PDF file4. Screw a 1/8” pipe tee onto the nipple and position it in a manner to facilitate the installation of the original oil pressure switch and the new oil pressure safety switch in the remaining two holes. 5. Screw in the two switches and reconnect the lead to the original equipment oil pressure switch. Wiring Fuel pump Relay And Oil Pressure Safety Switch Also, the "S" terminal on Oil pressure safety Switch, it says on the diagram it goes to starter wire, is it alright to connect this to the "S" terminal on the starter solenoid? =YES Lastly the wiring diagram doesn't have a spot for the circuit breaker, where would I include this? =between the input power{main} on the fuel pressure relayAuthor: Stanski Low oil pressure shut off switch wiring help. Hi. I'm trying to hook up a Holley 12-810 low oil pressure shut off switch for my electric fuel pump to MSD. My setup is MSD 6AL, billet distributor, Blaster coil. I'm not sure what MSD wires to hook up to the switch. "C" on the switch goes to the fuel pump, I don't know what wires to hook up to "N" normally closed or "NO" normally open. Can
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