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 Post subject: 800cc BMS Power Buggy Wiring Problems (EFI)
PostPosted: Tue May 09, 2017 5:08 pm 
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Joined: Mon May 08, 2017 1:29 pm
Posts: 3
Location: Austin, TX
It seems that for years now no one has figured out this wiring situation. And I am no different. I had run through all of the wiring on this and it seemed that I had power all up to the ECU and had nothing coming out to any sensors, fuel pump, o2 sensor. So I bought a new ECU from Klung hooked it up and still no MIL lights before cranking, fuel pump doesn't come on. Does anyone have any suggestions on where to start looking for my missing power? Where does the ECU get its power from? Does anyone have Pictures of the 3 Main relays and how they are wired? One is to the Radiator temp sensor to run the radiator fans, two runs power to the injectors/ fuel pump/ o2 sensor, three seems to be a loop that runs back into the number 2 power supply. Makes no sense to me. Does anyone have pics of theirs and where these go/how they are supposed to be wired. Or if anyone can paste a thread in here to go to. My searches in the forum have come up empty.


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 Post subject: Re: 800cc BMS Power Buggy Wiring Problems (EFI)
PostPosted: Tue May 09, 2017 5:13 pm 
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Joined: Wed Nov 28, 2007 2:21 am
Posts: 16861
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Location: Pacific NW
You might need to hook up with some Aussies and their little MightyBoy trucks. They run the same engines:

http://www.teammightyboy.com/forum/viewtopic.php?t=6320

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