Wiring diagram for electric fuel pump... - Hot Rod Forum
2008年9月19日 · electric fuel pump wiring with relay Holley has a relay kit about $35 if you go to the website there is a good pic of it and a diagram of how it installs.Also if you go to the Doc Vette archives there is some great info there on relays I sure …
Electric Fuel pump wiring? - Hot Rod Forum
2015年1月21日 · Fuel pump wiring The switch you looking for is a 12-810 Holley the instructions will show you how to wire it. If the fuel pump is mounted a long way from the battery, I would recommend that you use a (bosh style) 35 amp relay and a fused #10 wire from the battery to the relay and from the relay to The pump. Also make sure you have a good ground.
Electric Fuel pump wiring? | Page 3 | Hot Rod Forum
2014年12月22日 · This is the power circuit, it has large enough wiring to minimize voltage drop and a 35 Amp relay to handle the power (amperage) requirement of the pump. Now to turn it (the relay) on and off you need a control circuit. using the oil pressure switch Wire the the NC to the solenoid S teminal (along with the purple wire.)
Oil pressure switch for elec. fuel pump? - Hot Rod Forum
2012年1月18日 · 1) The Holley diagram DOES NOT show the vehicles start circuit to the solenoid, the wiring diagram only shows what is needed to add an oil pressure safety cutoff switch to an electric fuel pump. 2) The normally closed contact(N.C.) is closed in …
fuel pump wiring - Hot Rod Forum
2017年7月11日 · It is designed to operate the fuel pump relay by switching positive (+12v) voltage from the ignition switch and starter. Converting it to operate the fuel pump relay by negative (-12v) voltage would require additional relay(s). Probably making it more difficult to wire and more costly than wiring it as is.
Electric Fuel pump wiring? | Page 2 | Hot Rod Forum
2014年12月22日 · I like to use Ford-style inertia switches in electric fuel pump safety circuits. It is an impact switch that, when wired inline with the fuel pump power wire, interrupts power to the fuel pump in the event of a collision. The inertia switch is rated to carry 10 amps, so it can handle most fuel pumps directly.
Fuel pump for a 350 Chevy. - Hot Rod Forum
2022年11月4日 · The wiring diagram above powers the pump while the engine is running and has oil pressure. It shuts off when the oil pressure drops below the pressure for the "oil pressure warning light switch". The purple wire also powers the fuel pump while the starter solenoid is energized, for quicker priming.
Electric Fuel Pump Install??? - Hot Rod Forum
2004年5月10日 · Wiring an Electric Fuel Pump Wiring an electric fuel pump for a street driven car: Run a wire from a "keyed on" (only hot when the ignition is on) source to an oil pressure safety switch (hobbs switch). From the pressure switch run a wire to a 30 AMP relay. Ground the Relay to a good chassis ground. Run a wire directly from the battery to your ...
49 ford f1 wiring diagram - Hot Rod Forum
2006年6月27日 · 49 wiring doc, my 49 was rewired by the prev. owner, all the same color, taped together in a harness type, it has a one wire alt. 12v. bat.,it looks like a resistor w/ power I think coming from coil in w/ two wires coming out to an elec. fuel pump, and 1 wire to the dist.
Electric fuel pump shut-off - Hot Rod Forum
2007年3月3日 · -HOLLEY PN 12-810 ELECTRIC FUEL PUMP SHUT-OFF SWITCH-On the page above will be tech instructions. Click on it and it will give you the wiring diagram. An inertia switch should also be used. An electric fuel pump is meant to push, not pull. It needs to be installed at the fuel tank with a gravity drop and the filter in the pressure side.