Fuel Pump Safety Switch

oil pressure switch

This universal electric Fuel Pump Safety Switch is designed for cars and trucks being upgraded from a mechanical fuel pump to an electric inline or in-tank fuel pump.  No need for an oil pressure switch - all electronic.  Works off the tach signal.

  • Pump only runs if there is a tach signal from the ignition.
  • Primes the pump for three seconds at initial key-on.
  • Includes a 7.5 amp circuit breaker.
  • Includes an  internal relay.
  • Includes 15 feet of 16 gauge wire to energize the fuel pump.
  • One year warranty.
  • 30 day Money Back guarantee.

$64.99   PN 12003

12003 Installation.PDF

California Residents - WARNING:Cancer and Reproductive Harm - www.P65Warnings.ca.gov



Learn More:

Many years ago, back in college, my ’65 was my “daily driver” but didn’t get driven daily.  One problem I had was that the fuel would evaporate out of the carburetor bowls between uses.  I would have to crank the car for several seconds just to pump fuel up to the carb.  I really didn’t like that, so my solution was to add an electric fuel pump.  With an electric fuel pump, I would just turn the key on allowing the pump to run a few seconds, tap the throttle, crank the engine, and she would come to life quickly.

The only problem with my setup was that the electric fuel pump was “hard wired” to switched power.  We all know this isn’t safe and I knew it, too.  If I had been in an accident, that fuel pump would keep running as long as there was power available, potentially dowsing a fire with ever more fuel.  The solution that most people implement is to wire an oil pressure switch inline with the fuel pump power wire, but that didn’t allow me to prime the fuel bowls before startup and that was the main reason I had converted to an electric fuel pump.

The most common solution to this new problem is to hide a “priming button” under the dash to bypass the oil pressure switch.  When you get in your car and turn the key on, you are supposed to press this hidden button for a few seconds to activate the electric fuel pump, priming the bowls. 

Yeah, that works, but it seems too kludged for me.  I like things which are a little more automatic.  Besides, when the wife must use the car, are you really going to explain all this to her?  I didn’t think so.

This Fuel Pump Safety Switch is a “must have” for any electric fuel pump equipped muscle car.  It monitors the tach signal to limit when the fuel pump can operate. When the key is first turned on, the fuel pump is allowed to operate for three seconds, priming the fuel system.  After these first three seconds, the pump is only allowed to run when the engine is running; if the engine stops, so does the fuel pump.  No plumbing into the oil lines or adding an extra priming button under the dash.   (If you are converting to an in-tank pump, be sure to check out our Power Isolator.)


$64.99   PN 12003          Buy Now          California Residents - WARNING:Cancer and Reproductive Harm - www.P65Warnings.ca.gov

12003 Installation.PDF


Some comments from customers:

"Excellent product and excellent customer service.  Shipping was really quick!"

"Item described well, fast shipping"

"Item as described plus excellent technical communication"

"Well packaged item with clear instructions"

"Great transaction. Safety switch works great, very pleased.  Quick shipping too."



For the 6V vehicles, we have a version just for you.  Same functionality and features, but designed to operate at 6V instead of 12V.  Perfect addition to your 6 volt Carter (TM) or other brand electric fuel pump.

$64.99   PN 12003-6V          California Residents - WARNING:Cancer and Reproductive Harm - www.P65Warnings.ca.gov


Tech Specs:

2”x1.5”x1” plastic enclosure with mounting tabs.

Internal 7.5A resettable circuit breaker. 

Fully potted

3 foot, 18 gauge leads for power, ground, and tach  signal

15 foot 16 gauge wire loop for fuel pump control

Microprocessor controlled

Interfaces to either 12v (or 6V for 12003-6V) square wave (aftermarket ignition) or factory “coil –“ tach signals

Simple installation

One year warranty

30 day money-back guarantee when purchased from our eBay or Amazon store

Made in the USA

© Revolution Electronics 2017     sales@RevolutionElectronics.com