Originally Posted by
lively
Well if it was me , I would ohm the pump motors out to see what they read and then find why the circuit is feeding so many amps . Let me know because it's almost either there is blockage or the relay is not shutting off when it's satisfied for start up . Idk I see why they use the low press pump it's just a little feeder from the tank . But to blow a fuse while both are on , high Amps or blockage or little of both maybe . With out a meter or some ohms readings idk . Let me know what you find !
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Okay good news and bad news! Ordered the low pressure pump and installed it. Both pumps run when plugged in without the pump fuse blowing. Bad news is when it fired up after a couple seconds the idle started to shoot up to around 2500rpm as if I was giving it steady throttle. It then suddenly bogged out and died. The pump I installed was the p61171 120psi static and 43psi max running. I think the pump may be too powerful and flooding the system. After the initial start boat would not start but once every 20 or so cranks and only for a second, would fire and bog out immediately. I also picked up the p5001 pump 30-50 static 9-22 running psi which I'll try next after I let the system sit with battery unplugged for several minutes and try firing it with the 61171 installed.
Zk
'92 Comp ts6m - 5.8 PCM Pro Boss Carb
'02 Launch SS - 5.7 Indmar Assualt TBI