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larry_g · 12-25-2025, 10:07 AM

I kept the FPCM in place and used the power output for my fuel pump relays. This allows the pump to prime with turning the key on. But more importantly it keeps the safeties in place that cut power in case of an accident.

I attached a sketch of how I laid out the relays for a triple pump setup with two Hobbs switches. I'd have to see if I can find the posts here, but I want to say the signal was the green with white stripe wire.

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12-25-2025, 10:07 AM	#2
larry_g Drives: 2014 1SS/1LE Join Date: Nov 2015 Location: Louisville, KY Posts: 886	I kept the FPCM in place and used the power output for my fuel pump relays. This allows the pump to prime with turning the key on. But more importantly it keeps the safeties in place that cut power in case of an accident. I attached a sketch of how I laid out the relays for a triple pump setup with two Hobbs switches. I'd have to see if I can find the posts here, but I want to say the signal was the green with white stripe wire. Sent from my Pixel 8 Pro using Tapatalk __________________ 830 WHP 700 WTQ, Whipple 2.9 @ 13lbs Boost, Flex Fuel Tune by Blevins Tuning, LSA SBE, 3.5 GripTec, ATI LS3 Damper, AFR 260cc Mongoose, ARP Studs, Yella Terra Ultralites, Johnson 2110R, BTR PDS Stage 3, Melling 10355, Improved Racing Baffle, ID1050X, DSX Triple Fuel Pump, RotoFab CAI, NW 103mm TB, Stainless Works 1-7/8" LTH to 3" Speed Eng w/ X-pipe to NPP, Powermaster 9509 XS, Detroit Speed Motor Mounts, MGW, Monster LT1-S, ZL1 Calipers, DBA Rotors & Pads, Bilstein B6 Struts & Shocks, BMR 1.25" Drop Springs & Adj Rear Bar, Pegasus Solid Bushings, Z/28 Wheels, other misc parts.