Rear Wiper Won't Move but Front Wipers Work? Check the Hatch and Wiper Arm Before the Motor
A rear wiper can stop because of a loose arm, blocked pivot, hatch interlock, fuse, wiring, switch, or motor fault even when the front wipers work normally.
Start here
If the front wipers work but the rear wiper does not, start with the rear arm and hatch rather than assuming the motor failed. Confirm the hatch or liftgate is fully latched, because some vehicles inhibit rear-wiper operation when it is open. Look for ice or debris holding the blade, a loose arm nut, and whether the washer function still works. If the motor can be heard but the arm stays still, the arm splines or linkage may be slipping. If there is no sound, use the owner's manual to identify the correct fuse and operating conditions before electrical diagnosis. Do not keep cycling a frozen or jammed wiper because that can damage the motor or linkage.
Start with what can physically stop the rear arm
01
Confirm the hatch is fully latched
Some vehicles disable rear-wiper operation when the liftgate is open or not recognized as closed.
02
Remove ice and debris
Free the blade and pivot before testing; do not use motor torque to break frozen rubber loose.
03
Listen for the motor
A motor sound with no arm movement suggests a mechanical connection problem more than a switch problem.
04
Check the correct fuse and wiring path
Use the owner's manual because rear-wiper circuits vary by model and may share modules rather than a simple dedicated fuse.
What the symptom can tell you
Motor sound, arm stationary
Arm splines, retaining nut, linkage, or pivot inspection
Stop repeated operation so a slipping connection does not strip further.
No motor sound
Fuse, switch, wiring, module, or motor diagnosis
Confirm the hatch interlock condition before deeper electrical testing.
Rear washer works but wiper does not
Narrowing toward the wiper circuit or mechanism
Washer and wiper functions can still use different electrical paths.
Safety check
Do not force a frozen rear wiper by hand
Forcing the arm can damage the pivot, linkage, splines, or glass-mounted components. Thaw the area safely before testing movement.