Question about 1988 Ford Bronco II

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Won't shift into 4 wheel drive, stpped or moving

1989 bronco II won't shift into 4 wheel drive, stopped or moving. I have located the reset button on a black box behind the drivers seat in the kick panel . After pushing button, a red light on the box comes on for a while then goes off. When I push the dash board button for low gear the led light flashes on and off a few times and then stays off. The led button on the 4 wheel drive button won't go off once turned on until I turn the truck off and then start the truck again.
Help me Mr. Wizard!

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6 Suggested Answers

  • 2 Answers

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Posted on Jan 02, 2017

  • 21 Answers

SOURCE: 1989 bronco II, 2.9 V6 automatic transmission

My ATSG manual says to tighten the adjusting screw in to 10ft-lbs, then back it out exactly 2 turns. Holding the screw, tighten the lock nut to 35-45ft-lbs. The intermediate band is set the same way.

Posted on Nov 14, 2008

  • 4 Answers

SOURCE: 1992 bronco

the lock in the tranfor case is no good

Posted on Feb 09, 2009

  • 532 Answers

SOURCE: 4x4 doesn't engage

that box does engage the transfercase to 4x4,there is a small electric motor on the transfercase thats probably bad,try hitting it lightly with a hammer because just like an electric window motor it has brushes in it as well,but its possible that motor is shorting out causing it to draw alot from the charging system,at least my 1993 Ford Bronco did the same thing and thats what i replaced and now it works fine.

Posted on Apr 23, 2009

  • 2100 Answers

SOURCE: how do I drop the transmission and transfer case?

Get the truck up, get some cardboard on the floor, unless you have a lift. Get some jack stands under there, get your buddy to help stop this thing from smashing on the floor when you pull it out. Remove the battery cable, remove the drive shaft, get the book, remove the electrics(speedo,etc) to the tranny, remove the shift cover inside, might have to remove starter, remove bolts on bell to engine, remove cross member,(s), that should just about do it, remove clutch slave hose or cylinder, Pull, now , if the flywheel is scorched, crinkled, get it to a machine shop for turning, buy your new clutch and pressure plate, a new pinion bearing if it has one, grease it up a little,make sure you have the right clutch, see if it fits the shaft on the tranny. align the spline in the clutch plate to the pinion, by eye or with a dowel, tighten up the plate, pick up the tranny and slide it in the hole, you shouldn't have to pound, grunt or sweat, if it doesn't go in, you got something wrong, with a little tweaking, it should go right in, put the bolts back in, hook everything back up, I hope this helps.

Posted on Mar 01, 2010

  • 715 Answers

SOURCE: fuel pump not working

I just had the same problem, today, 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 spark and fuel

Posted on Apr 07, 2010

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1 Answer

89 bronco ii won't go into 4x4 or low range

With the transmission selector in "park", start the motor.
With your foot on the brake pedal (steady-constant pressure), move the transmission selector gear to neutral- then turn the 4 X 4 selector knob to 4-wheel drive high. Wait for the 4 X 4 engagement.
Once it is in 4-wheel drive high, with the transmission selector still in neutral, quickly pump the brake peddle twice, keeping you foot on the brake pedal on the second pump, turn the 4 X 4 selector knob from high range to low range. The transfer case should then change from 4-wheel drive high to low.
Electronics being what they are, you sometimes have to repeat the process. You may even have to inch forward or backward.
[I have an '01 Excursion and an '05 F250 with 4 X 4 on the fly...I miss my '97 F250 with the manual 4 X 4 shift on-the-floor!]
Anyway, check the fuse panel for any blown fuses.
Double check to make sure that the problem is not just blown 4 X 4 lights on the instrument cluster. With the nob turned to 4-wheel drive, have a second person- a spotter, check to see if the drive shaft to the transfer case is moving. If it isn't, you have to delve into the troubleshooting process.
Check the solenoids, vacuum hoses, vacuum actuator, and transmission range sensor on the transfer case. .

Nov 27, 2013 | 1989 Ford Bronco II

1 Answer

Help? Suddenly my 1987 bronco II manual trans 4 wheel drive will not move in any gear.

First, did you check on the driveshaft? It's not dropped or has a broken U-joint and/or yoke? Will the truck move in 4WD? If so, the problem lies with the drivshaft and rear end. If not, then the problem lies in the transmission and transfer case. Can you shift gears while the engine is running without them grinding? If so then the clutch assembly is good, otherwise you need to look there.

Oct 20, 2013 | 1987 Ford Bronco II

1 Answer

4X4 1988 bronco ii shift-on-the fly problems

sounds like the shift motor on the transfer case is not working

Apr 09, 2009 | 1989 Ford Bronco II

1 Answer

Can't get truck into 4 wheel drive

if you have jackstands raise it up and turn on the truck and hit the button if all the wheels turn it works

Dec 18, 2008 | 1989 Ford Bronco II

2 Answers

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

1 Answer

88 Bronco ii won't shift into 4 wheel drive.

Check to see if you are getting power through your switch on your dash. I also suspect your shift motor but it is a lot easier to check it with a test light.

Jul 01, 2008 | 1988 Ford Bronco II

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