Question about 1989 Ford Bronco II

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'88 Ford Bronco II, 2.9L Hp fuel pump won't activate 1st thing in the morn. Have new fuel pump, fuel pump relay,ignition switch. I turn key on & off a few times...then pump activates. everything runs great for resto day.Starts & runs strong, for the rest of the day, after this initial tinkering. The ignition switch & pump were replaced & checked out by a mechanic. After started the 1st time, just a bump on the starter, and it starts strong... good running engine.anytime no matter the temp. outside. Thanks for the help Jimbo

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Sounds like it could be the relay. also this one has 2 pumps I think, one in the tank LP and one on the rail just under the driver. 2 relays also one for each.

Posted on Feb 17, 2010

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1 Answer

88 bronco 2 is not getting power to the fuel pumps i changed the relay and the inertia switch stil no power


Check the wires going to the fuel pump relay for a ground with the ignition on. The reay requires a ground sent from the ecu to activate the relay and sent power to the fuel pump.

Jan 25, 2015 | 1988 Ford Bronco II

1 Answer

Won't start


either check your knock sensor, map sensor or fuel shut-off switch

Dec 09, 2012 | 1987 Ford Bronco II

1 Answer

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
if you can source them

Things like plugs,wires & such you leave until you
know if you have fuel pressure,spark & so on.

Once a vehicle gets to 20 years of age you start
checking for wire corrosion such as around fusible links

Never forget the battery & it's cables & the internal
corrosion possible there

Worn ignition switch a possible

You say won't start,so I assume the engine
does turn over?

Oct 01, 2012 | 1987 Ford Bronco II

1 Answer

Bronco II 1987 v6 2.9-well manufacture date is 10\87 but that means parts are 88' right?


Look at your registration, note "model year" If you ar still unsure, call a Ford dealer and ask them to look up your vin #. They will know for sure.

Sep 07, 2012 | 1987 Ford Bronco II

1 Answer

1988 bronco II 60,000 miles .. guy replaced the exhaust manifold and removed altenator without unhooking battery and put back together and wouldnt start ...fuel pump not pumping ..i tried bypass wire got...


Well if he caused a short in the electrical system it could be the eec relay it is located on the passenger side under the hood on the fenderwell. Some are marked with what they do there can be 3-4 relays on it, the relays look like a small box with a connector at the bottom, and quite a few wires coming out. the one for the eec relay should be in the middle it was on my fathers 88 bronco 2. the fuel pump relay is the same thing, there cheap to buy and can find them at the parts store they are known for failure, just replace it..

Jan 23, 2011 | 1988 Ford Bronco II

1 Answer

My 87 ford bronco II died one day while driving it. I first thought I was out of gas but after putting in gas it still wouldn't start. I ran a test wire to see if the fuel pumps were good and they are,...


MARK THE DISTRIBUTOR LOCATION, LOOSEN THE HOLD DOWN BOLD AND WITH THE BATTERY CHARGED AND THE IGNITION ON, TURN THE DISTRIBUT0R AND LISTEN FOR THE FUEL PUMP RELAY TO CLICK, IF IT DOES NOT CLICK, REPLACE THE MAGNETIC PICKUP IN THE DISTRIBUTOR. THEN CHECK THE FUEL PRESSURE IT SHOULD HAVE ATLEAST 35 TO 45 PSI WITH THE ENGINE OFF.

Aug 05, 2010 | Ford Bronco II Cars & Trucks

1 Answer

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

Mar 27, 2010 | 1988 Ford Bronco II

1 Answer

No power to electric fuel pump 88 5L 302


check the fuel pump relay this sends the power to the fuel pump,

also has the car been in a smash even a small one if so the car may be fit with a enersher switch that cuts off the fuel circuit.

recommend you by a repair manual from your local parts retailer for the exact locations of these 2 units

Jul 18, 2009 | 1989 Ford Bronco II

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