fuel pumps
fuel pump power bypass
Thread Starter
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Post Fiend
Joined: Jan 2004
Posts: 5,377
Likes: 2
From: Elkhart IN
fuel pump power bypass
I was wondering if it would hurt anything to put in a switch to controll when the fuel pumps come on. on my 88 f150 none of the 3 pumps will kick in so i figured i could just put in a toggle switch or something of the like. any help will be appreciated.
thanks, chrono
thanks, chrono
Elder User
Joined: Jul 2003
Posts: 935
Likes: 0
From: TEXAS!!!!!!!!!!!!
Originally Posted by chrono4
I was wondering if it would hurt anything to put in a switch to controll when the fuel pumps come on. on my 88 f150 none of the 3 pumps will kick in so i figured i could just put in a toggle switch or something of the like. any help will be appreciated.
thanks, chrono
thanks, chrono
Thread Starter
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Post Fiend
Joined: Jan 2004
Posts: 5,377
Likes: 2
From: Elkhart IN
on the front fuel tank which cables are the pump power supply. i dont want to hurt the sending unit.none of the cables are what i would think they would be. now that im inside i dont remeber the colors. any help will be greatly appreciated.
thanks chrono
thanks chrono
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Senior User
Joined: Feb 2004
Posts: 315
Likes: 2
From: Miami
Before you go re-wiring,
Have you checked the fuel pump fuse, relay, and the cutoff switch under the dash?
also, even though there are three pumps, you do know that only two run at a time right? (Depending on which tank you want to use)
Have you checked the fuel pump fuse, relay, and the cutoff switch under the dash?
also, even though there are three pumps, you do know that only two run at a time right? (Depending on which tank you want to use)
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Thread Starter
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Post Fiend
Joined: Jan 2004
Posts: 5,377
Likes: 2
From: Elkhart IN
yea i checked it all. and i already did it and it works great. i just tapped into the supply for the pumps originally and ran it to a switch on the dash so i can have it on normaly and when im just sitting there with the key doing whatever i can turn them.
5th Gear
Joined: Jan 2025
Posts: 5
Likes: 0
same issue with my pumps I've been wanting to do this forever PLEASE explain your wiring. So which wires from front tank pump need hooked too power and grounded through the switch, and then did you wire up the high pressure pump too a switch as well?
