Yeah, remove the inner trim, starting at the top(don't lose the clips) then remove the bolts under it...they may be tamper proof torx bolts(star shaped with a pin in the middle) I had to go buy a bit at an auto parts store. If you have rear shoulder belts, remove them from the top, if you have the third brake light on the top unplug it...You'll see the wires. Lift the top up and off toward the rear. Three people is best, one guy inside in the middle, and one on either side. I've done it solo, it sucked. Two people will work in a pinch. A power drill will save lots of time, and clean/wipe the molding etc. before you reinstall the top or it will probably leak.
Remove the cap and check the level when the fluid is hot.
According to the Gates website : A 1991 Ford F series 7.3 liter Diesel V8 engine has a : ( 13 PSI radiator cap )
142536
All the big broncos 77?/78-95, I'm not sure about the older ones
Start with distributor cap/rotor, spark plugs and spark plug wires.
It should be marked but if not the number one is usually the stud right next to the firewall if the screws for the cap are parallel to the firewall
If the motor is a 5.8L Windsor the Coil is directly under the distributor cap in the front of the motor on the right hand side.
On top of the differential there is a removable 3/4 " cap on either side of the seat. Hydraulic fluid can be put into either.
There will be a removable cap, or breather on the valve cover.
1 - 3 - 7 - 2 - 6 - 5 - 4 - 8 The distributor rotor turns COUNTERCLOCKWISE #1 position on the distributor cap faces to the rear The engine cylinder locations are numbered : firewall 4 - 8 3 - 7 2 - 6 1 - 5 front of Ford Bronco
Defective electronic control module.or maybe starter
Three places they can be mounted on or in your distributer cap on your drivers side fire wall near the corner or under your steering arm hope that will help you out