Wiring and fuel pump question...
#11
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From: Omaha, NE
On the third pump? That sucks. OK, I took the week off to get this thing running. I follow the fuel line from the tank and it goes to the filter/seperator. From there, goes over to the other side of the engine into a blue thing that looks to be a cooler to me as it has water going through it as well. From there it goes to the pressure reg then to the engine. I am at a loss as to where the pumpis actually located. I don't hear anything when I turn on the key. Checked all fuses and can't even find one for a fuel pump. Been so bloody hot out I haven't spent too much time on it until now.... Did replace the starter to get it turning over and it will fire up on ether... so it isn't a spark issue. Will post results after tonight if anyone cares... Plan is to be on Saylorville this weekend (or sooner)
#12
if it is a cool fuel system the regulator is mounted on top of the fuel pump and it has water hoses going in each end of the pump
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#13
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From: Omaha, NE
YAY!!! Found the fuel pumps! Guessing one is a lift pump and one is a pressure pump... They both test good but do not turn on with ignition. I traced a gray wire back to a relay in the box mounted to the port side of intake. The relay in there is triggered by a dark green with stripe that goes to ECM. I manually powered the pumps and tried to start, no go. Guessing the ECM isn't getting power or it is bad. Anyone have a schematic for this? That would be SUPER helpful...
#14
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From: Omaha, NE
Also, hopefully not related, whenever I turn the batteries on the navigation lights are on. Most switches are worn off so I don't know which is nav lights, but either the switch is bad or wiring is jacked... Gonna pull the switch panel and see what skeletons come out...



