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First disconnect the battery so you won't mess with live wires. Now there should be two bolts holding the alternator on, the one on bottom is long and the top one is short. Loosen the top bolt first and the alternator will pivot down and the belt will come off. Undo the bottom bolt and then unplug the wiring harnesses from the back or the alternator. Put your new one on the same way you took the old one off, adjust it to get the belt tight, then connect your battery.
What else can I help you with?
What is the Torque setting for alternator on a Ford Ranger?
The Ford Ranger alternator bolt torque specification is dependent upon the year of the Ford Ranger. In general, the alternator bolt torque specification is 45 pounds.
Drivers side outer tie rod end how to change it on a 86 Ford Ranger 2.3?
how do you change outer tie rods on a 1990 ford ranger
Can you use a Chevy alternator on a Ford Ranger?
No
OBD11 on 1990 Ford Ranger?
A 1990 Ford Ranger is OBD I / EEC IV - if that's what you are asking
Where are the fusible links on a 1990 ford ranger?
location of fusable links Ford Ranger 1990 2.9
Where is the horn fuse located for a 1990 Ford Ranger?
is there a picture of where the horn fuse is located on a 1990 ford ranger
Torque specs. for 1990 Ford Ranger 4.0L?
spark plug gap on 1990 ford ranger 4.0?
Will a 1990 Ford Ranger transmission fit on a 1984 Ford Ranger?
No. From 1983-84 Ford used the C3 transmission. A 1990 will not fit.
Difference between a 1986 Ford Ranger and a 1990 Ford Ranger?
Wikipedia has a great history of the ford ranger line.
Where is the fuel filter on a 1990 Ford Ranger?
where is the fuel filter located on a 1990 ford ranger 2.3 L engine
How do you change the alternator on a 2001 Ford Focus?
how do i change the alternator in my 2001 ford focus?
Why no injector pulse on 1990 Ford Ranger with 2.3 D I S.?
1990 ford ranger 2.3 no injector pulse what causes this
