96RinkerCaptiva212
Petty Officer 3rd Class
- Joined
- Jun 4, 2017
- Messages
- 84
Hello all - I tried to get some good research in before posting but feel like I'm missing something. This forum helped me install a new 5.7 from Rapido Marine about 5 years ago in my 96 Rinker. Still can't thank you guys enough!
I ran into some skin cancer last summer and had some stuff cut out so I left the boat parked. I'm now trying to get it up and running for sone late summer cruising and moving all the parts so I don't hit year 2 down. The boat ran like crap on startup, spilling fuel out the carb vent tubes (4 bl). I replaced needles and seats and adjusted float, same problem. Installed fuel pressure gauge and found 18 psi. Regulator in electric pump had failed/stuck apparently. Rapido did not have a block with mechanical fuel pump opening (668 block I think). That's why I'm on a Carter. Anyway, replaced with new pump. BOAT RAN FLAWLESS for 10 mins with 4 psi so I was excited of course for some water action!!
After 10 mins, started slowly losing fuel pressure down to 1 so I killed it. Replaced water fuel separator. No luck. Put old fuel pump back on (regulator stuck open) and nothing. I found that the power wire to pump was getting 6-7 volts. I thought the oil pressure switch was bad. Replaced that and now I'm seeing 8.5 volts to pump power. I keep seeing something about a relay doing the crank/start delivery rather than power coming from oil pressure switch. I cannot find a relay anywhere nor do I recall installing one when I flipped to electric pump and the boats been running great for 5 years. I see a 50 amp main circuit breaker but that has a slave solenoid attached onto the same bracket. Am I simply just into bad wires?? What else would power the pump on initial crank other than the oil pressure switch then?? The power wire for the pump, I Unplugged from oil pressure switch pole "p" and no ohms resistance.
I also see something about 3 fuses but I don't think that's my setup. Seems like slightly newer than 96. Anyway, just scratching my head now guys and asking for some help on what to identify next.
I ran into some skin cancer last summer and had some stuff cut out so I left the boat parked. I'm now trying to get it up and running for sone late summer cruising and moving all the parts so I don't hit year 2 down. The boat ran like crap on startup, spilling fuel out the carb vent tubes (4 bl). I replaced needles and seats and adjusted float, same problem. Installed fuel pressure gauge and found 18 psi. Regulator in electric pump had failed/stuck apparently. Rapido did not have a block with mechanical fuel pump opening (668 block I think). That's why I'm on a Carter. Anyway, replaced with new pump. BOAT RAN FLAWLESS for 10 mins with 4 psi so I was excited of course for some water action!!
After 10 mins, started slowly losing fuel pressure down to 1 so I killed it. Replaced water fuel separator. No luck. Put old fuel pump back on (regulator stuck open) and nothing. I found that the power wire to pump was getting 6-7 volts. I thought the oil pressure switch was bad. Replaced that and now I'm seeing 8.5 volts to pump power. I keep seeing something about a relay doing the crank/start delivery rather than power coming from oil pressure switch. I cannot find a relay anywhere nor do I recall installing one when I flipped to electric pump and the boats been running great for 5 years. I see a 50 amp main circuit breaker but that has a slave solenoid attached onto the same bracket. Am I simply just into bad wires?? What else would power the pump on initial crank other than the oil pressure switch then?? The power wire for the pump, I Unplugged from oil pressure switch pole "p" and no ohms resistance.
I also see something about 3 fuses but I don't think that's my setup. Seems like slightly newer than 96. Anyway, just scratching my head now guys and asking for some help on what to identify next.
