starting and fuel pump issue
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New User
Joined: Sep 2010
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The battery is not draining anymore, thats a good thing. I removed a wire from the fuel pump thats on the drivers side and now it doesnt turn on. I removed because it was running with the key in the ignition. The wire was ran from one harness to the other, which was most likely wrong.
Anyone have the fuel pump wiring harness diagram?
Anyone have the fuel pump wiring harness diagram?
Moderator
Joined: Nov 2007
Posts: 22,415
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From: Denver Metro Area, CO
The voltages look pretty normal to me but I wish the engine turned over a bit more freely
than it is.
Yeah, it sounds to me like somebody has been mucking with the fuel pump wiring, there
are others out here who should be able to help ya with that.
than it is.
Yeah, it sounds to me like somebody has been mucking with the fuel pump wiring, there
are others out here who should be able to help ya with that.
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New User
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you can see exposed wire on the top red wire abd bottom red wire, there was a wire runnning across that didnt seem right, so I removed it. Now instead of the pump running 24/7 it doesnt come on at all.
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Joined: Nov 2007
Posts: 22,415
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From: Denver Metro Area, CO
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Joined: Nov 2007
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From: Denver Metro Area, CO
the key is in RUN?
The key goes (from back to front):
ACCESSORIES
OFF
RUN
START
Why wouldn't you want the fuel pump to run when the engine is running?
I'm confused.....
Post Fiend
Joined: Jul 2004
Posts: 8,786
Likes: 28
From: Northern California
The fuel pump has to be on in run, and in start too.
If it was hooked up correctly, it will not run in accessory.
That fuel pump is a hatchet job put on there to remedy a problem with the factory fuel pump system. You will either have to fix the truck right, and buy the proper parts, or figure out how the previous owner put that pump in, and find a proper hot wire for it.
Fuel System wiring diagram. Hot Fuel Handling.
If it was hooked up correctly, it will not run in accessory.
That fuel pump is a hatchet job put on there to remedy a problem with the factory fuel pump system. You will either have to fix the truck right, and buy the proper parts, or figure out how the previous owner put that pump in, and find a proper hot wire for it.
Fuel System wiring diagram. Hot Fuel Handling.
Post Fiend
Joined: Nov 2005
Posts: 7,437
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From: Charles Town, W bygod Va
in your video the voltage drops in the 8's. it sounds like somethings tight, I heard a squeak that migh be every engine revolution????? could just be a belt or something but it sounds more like siezing parts...
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I meant accessories
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