Question about 1988 Ford Bronco II

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My dad has a 1988 bronco II and took to walmart and had battery put in backwards. He replaced the computer on the truck and still won't engage fuel pumps to start engine

Replaced ecm and check fuses and relays all good...also wired fuel pumps directly and they work

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  • 76 Answers

Did you test the fuel pump for power to the fuel pump? If the pump is receiving the correct voltage, then the problem most likely is that the knuckleheads at Walmart fried your fuel pump also.

Posted on Nov 22, 2014

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

Yuma Duner
  • 5 Answers

SOURCE: Intermittent fuel pump engagement when turning key - 2001 Taurus

try cleaning the connector that goes to the fuel pump, sometimes they corrode on inside. If that does not fix, test the wires feeding fuel pump with a multi meter until the condition shows itself again, if voltage drops to zero or very low then wiring problem, if voltage is unchanged with problem and fuel pump is not working and connectors are all clean, try replacement of fuel pump.

Posted on Oct 09, 2009

  • 13 Answers

SOURCE: This 86 2.9 litre Bronco II has us stumped. My

When you say the fuel pressure jumps up and down and the engine stops,then you should look for wiring problems to fuel pumps.If you jump one fuel pump from battery and it runs o/k ,than you know you have a wiring problem from relay to pump.

Posted on Nov 07, 2009

  • 246 Answers

SOURCE: where is fuel pump relay on 1988 Ford Bronco II

Fuse panel is located inside vehicle under dashboard on driver side. Fussible relays and links are located under the hood on the front of vehicle on drivers side.

Posted on Feb 21, 2010

kephart_robe
  • 31 Answers

SOURCE: 1991 F150 5.0L, The fuel pump relay clicking

check your relay and your fuel filter should be replaced every 30,000 miles

Posted on Mar 18, 2010

Testimonial: "Thank you for your help! Truck decided to run good today!"

Rickygittins
  • 715 Answers

SOURCE: no power to fuel pump

check the tan- lt green wire on the fuel relay that is located on the right fender, mine wasn't pushed in all the way, this wire shut down injectors and fuel pump, if you are looking for the shut off switch to reset the relay, it is on the passagers side floor board under the dash, gas two wires, orange and pink, I don't remember the color of the stripes, I removed this switch and wired them together without a problem

Posted on Apr 27, 2010

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1 Answer

1988 bronco II will not crank,lights won't come on and nothing works


FROM WHAT YOU HAVE DESCRIBBED .IT SOUNDS LIKE THE ELECTRICAL CIRCUIT IS INCOMPLETE .IF YOUR LIGHTS DOES NOT COME ON AND NO ELECTRICAL COMPONENTS ARE NOT WORKING AND IT IS A NEW BATTERY. CHECK YOUR GROUND WIRE FOR LOOSE OR CORRODED CONNECTIONS .ENSURE THE BATTERY IS FULLY CHARGED .THEN CHECK ALL CONNECTIONS FOR TIGHTNESS AND CORROSION .IF YOUR STARTER WAS AT FAULT IT WOULD NOT PREVENT THE OTHER ELECTRICAL COMPONENTS FROM WORKING .

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My 1987 Ford Bronco II won't start


First you always test things & never replace anything

When you understand how things work & how to test
them,then they have to fail a test in order to need replacing

I would think Fuel Pump--if it quite while driving
Put a gauge on the motor if you have a shrader
valve to do so

Seldom do you need to replace a dist
The parts inside can be diagnosed & replaced
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Once a vehicle gets to 20 years of age you start
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Never forget the battery & it's cables & the internal
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Worn ignition switch a possible

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How do you put s slave cylinder in a 88 bronco ii??


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1988 Ford Bronco II How to change Distributor Pickup Coil


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Nov 20, 2011 | 1988 Ford Bronco II

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I have an 1988 bonco 2 with a 2.9 l V6 my problem is i keep burning up the 50 amp alternator fuse . i took the alternator had it test its working perfect but every time i put a new fuse in about...


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Jan 06, 2011 | 1988 Ford Bronco II

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I have a 1987 Bronco 2 xlt and today when i pressed the 4x4 button it just wouldnt light up and wouldnt make the clicking sounds like it was engaging any ideas?


well after putting the bronco into a heated garage for about 30 minutes it seemed to go right into 4x4 so my guess is it was just froze up

Jan 07, 2010 | 1988 Ford Bronco II

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The 4 wheel drive doesn't work in my 89 Ford Bronco


The sound is not coming from the glove compartment, it is coming from the panel behind the drivers seat, that's where the relays and computer are located.
The relays click and apply power to a transfer case motor.
The motor attempts to turn a shaft that engages the front drive shaft.
When the computer thinks the shaft has NOT turned it tries again.
It will try three times then quit, figuring the shaft has not turned.

Get someone to crawl under the vehicle and engage the 4WD (just turn on the ignition- do not start the engine) See if they can hear the motor attempt to turn the shaft, it will make a clicking sound.
If not the connections or the motor may be bad.

I have found the most probable cause is the relays on the control board.
If you are technically adept --
you can remove the small side panel from behind the drivers seat and remove the control board. (remove the power plugs first)
Clean the relay contacts and bend them a little to give them more 'wipe' to keep them clean longer.
Put it back in and turn on the ignition.
Then push the RESET button on the side of the board.
Try the in / out 4WD a couple of times. If it doesn't work turn off the ignition, turn it back on and push the reset button again.

Oct 16, 2008 | 1989 Ford Bronco II

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