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Location of a fuel pump relay on a1993 f150 with

Location of a fuel pump relay on a1993 f150 5.0 with dual tanks

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Should be under the hood, either in the main fuse block or in a seperate fuse block with two other relays in it.

Posted on Jul 22, 2009


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Fuel problem

try checking the eec relay and the eec relay. Does this truck have dual tanks. If it does check the selector switch. mine went bad and burned up both relays. If these are not the problem then you will need to check fuel pump. it or they are located in the tank or tanks.

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It appears the vehicle is not getting any fuel. where is the fuel pump fuse and or the cut off switch.? the tank selector seems to b a problem as well, i think one of the tanks are bad... where can the...

you've got dual tanks? the selector switch may be bad,on the dash., check those 1st. remove the panel that switches the tank to tank,make sure that the connections good. switch to main tank and make sure that fuels in the main tank.if you have fuel in main tank,thats good. but keep in mind that you also have an electric fuel pump,located just under the driverside door frame.when you turn your key to 'on' position,do you hear that electric fuel pump humming for 10 to 15 seconds? been there and done that before. because you have 2 tanks it takes alot of fuel pressure to power your engine. when you turn your keyswitch 'on' do you hear the fuel pump humming? if not,then you can check the main fuse box under the hood. look for a square black box,usually on driverside fenderwell under the hood. lift cover off and check for blown fuses or bad relays. under the fuse cover you should see locations of relays and fuse locations. the #1problem{fuel related} with your year truck is a bad electric fuel pump. take my advice and replace the pump with the replacement pump recommended by advance auto,or nappa auto parts. or else dealer parts. autozone parts come from mexico[mostly] i hate to promote anyone autoparts,but learn by my own hard work replacing bad parts and by whats warranty and whats not.thank you for choosing and feel free to choose your own parts store! i do however,promote!!!!

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'96 f150,4.9 six,dual fuel tanks,replaced front fuel pump,not starting.could it be the fuel cut-off safety switch or fuel pump relay.need location of both,owners manual missing.does rear tank pump need to...

I have a 1996 f150 and I had the same problem. I finally found out that the rear fuel pump is the main pump, and if it goes out then the front pump will not work either. There is a groud that both pump share on the rear cross member. If you are not getting good connection with the ground the fuel pumps will not work. Also if you replace the rear pump and it still does not work then your problem could be the fuel tank selector switch, it acts as a relay if it goes out then neither pump will work.

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There is no fuse specifically dedicated to the fuel pump on this year and model of Suburban. This Suburban is equipped with dual tanks and as such has two relay switches, primary and secondary, both of which are located at the main fuse box in the engine bay, that power up the respective fuel pumps.

The closest fuse (15A) controlling either of these relays also powers up the main control module (located beside and below the main fuse box). So, if one needs to disconnect the fuel pumps from functioning, then the only effective method is to disconnect the fuel pump relays.

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Does it have a single or dual tank. Carb or Fuel Injection?

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The fuel pump is in the tank, there is one for each tank if you have dual tanks, also change the fuel filter with pump.

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