How to Wire Electric Fuel Pump Relay to a Switched Power Circuit | Quick and Easy Wiring

Using a relay to wire any aftermarket electronic components in your project vehicle is the correct and safe way to do it. Here's how I installed a 30 amp relay to my external fuel pump in the Dodge D100 ...
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[@jaydahl7853]

Your wire routing looks professional. Currently I'm having a tough time getting my Hyper spark distributor to spark. I may change to your setup if I can't get it to spark.

[@MoonBuiltGarage]

I haven't messed with the Hyperspark, so I wouldn't even know where to start. Are you trying to have the Sniper control the Hyperspark? I can only suggest start from the beginning, verify all your wiring and connections, and reach out to Holley...supposedly their tech support is really good

[@faulknerfixesall]

thanx very good info in this video,i was having issues with cheap mechanical fuel pumps and decided to have an electrical backup system. might get rid of the mechanical pump all together. dont want fuel getting pumped past the mechanical pump into crank case .

[@MoonBuiltGarage]

Glad it helped

[@CruiserMac]

Very informative !

[@MoonBuiltGarage]

Glad you think so!

[@jaydahl7853]

What kind of distributor are you using? I have a Dodge D350 with a sniper efi, and using a Hyperspark.

[@MoonBuiltGarage]

It by TCS. Its just a mechanical advance distributor, no vacuum advance

[@bobdavis3389]

If I don't use the ING. switch but a two way switch .on and off

[@Tsaul968]

Question if I get a electric fuel pump of 2psi to 6 psi will I need the fuel regulator?

[@MoonBuiltGarage]

If it's for a carburetor you shouldn't, but 6psi may not be enough. I believe most mechanical fuel pumps usually put out about 7psi....

[@bobdavis3389]

OK , what I would like to know , the 86 switched terminal , one wire from the switch goes here , where do you wire the other pin of the switch too ?

[@MrCoreymelton]

I believe you would wire that into your ignition. Getting power when you turn the key on.

[@jaydahl7853]

Where could I find tcs distributors?

[@MoonBuiltGarage]

My fault..they are TSP (Top Street Performance) www.topstreetperformance.com/

[@SuperGasolineAlley]

What kills the pump if you turn over in a accident

[@MoonBuiltGarage]

The switched power being cut to the relay will turn it off....just like in every other car

[@thatguyontheright1]

How could I set something like this up where the fuel pump shuts itself off if the engine isn't running?

[@Knightomite]

See Fuel pump saftey switch ..You wire it through a oil pressure sender ..No oil pressure no power to fuel pump

[@thatguyontheright1]

@@Knightomite genius

[@johnstewart6977]

Not to be a pain….. what you have drawn and how you have it set up is confusing. Could you explain how you have your set up. Meaning what wire you ran to each pin on relay

[@MoonBuiltGarage]

@4:00 the drawing clearly shows where each pin on the relay is wired....

[@timabbott2937]

What size fuse did you use ?

[@MoonBuiltGarage]

If I remember right the manufacturer of the pump called for a 30 amp....