Moderator
FB
[FONT=Times New Roman][FONT=Verdana][SIZE=2]Your right, the one-shot timer isn't a necessity. It enables pump relay to prime the system as soon as the key is turned and runs the pump during the glow cycle. After the timer cycles the engine is running and the oil pressure switch (OPS) takes over supplying power to the pump relay. When I first installed the pump I didn
Bill
03 2500HD D/A CC/SB/4WD,OilGuard, MegaFilter,LiftPump/PreFilter, Bilsteins,RetraxRollTop,J&J Boards,Coolant Filter,AlliDeepPan,FastIdle,AllHeadLightsOn,
98 K3500 6.5,SOLD
Enthusiast
I would not do any fuel pump without the OPS, just common sence
THX
2006 GMC D/A C/C S/B, Snug Top Shell, Bed-slider
33 inch Toyos, 17/8 Pro Comp Wheels, 4 in SS MBRP Exhaust-Turbo back, Evolution Tune, Mag-Hytec on Rear and Trans, Tranco Jr Shift Kit.
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