Is the rear wiper on my GMC Sierra not working?

Is the rear wiper on my GMC Sierra not working?

Old trucks: 08 GMC Sierra 1500 Z71 Crew Cab, ’03 TB EXT LT I6 Testing the motor is the next thing on my list but Roadie in an earlier post says that the motor is shot in only about 10% of the dead rear wiper problems. In any case, if it is the motor gone south, I will probably hit the junk (oops I mean salvage) yard first for a replacement.

What to do if your rear wiper is not working?

Check the bcm (fuse block under rear seat) and check fuse 9. That’s rear wiper Click to expand… Click to expand… That’s an auto-resetting circuit breaker. You can only test it fully with a voltmeter. Swapping with an equivalent neighboring component might help, but if the wiring or socket is the culprit, won’t help as much.

Where is the fuse for the rear wiper?

The fuse (which is called a circuit breaker on the wiring diagram) is under the rear seat. It is #9. Check the bcm (fuse block under rear seat) and check fuse 9. That’s rear wiper Click to expand… Click to expand… That’s an auto-resetting circuit breaker. You can only test it fully with a voltmeter.

Old trucks: 08 GMC Sierra 1500 Z71 Crew Cab, ’03 TB EXT LT I6 Testing the motor is the next thing on my list but Roadie in an earlier post says that the motor is shot in only about 10% of the dead rear wiper problems. In any case, if it is the motor gone south, I will probably hit the junk (oops I mean salvage) yard first for a replacement.

Check the bcm (fuse block under rear seat) and check fuse 9. That’s rear wiper Click to expand… Click to expand… That’s an auto-resetting circuit breaker. You can only test it fully with a voltmeter. Swapping with an equivalent neighboring component might help, but if the wiring or socket is the culprit, won’t help as much.

The fuse (which is called a circuit breaker on the wiring diagram) is under the rear seat. It is #9. Check the bcm (fuse block under rear seat) and check fuse 9. That’s rear wiper Click to expand… Click to expand… That’s an auto-resetting circuit breaker. You can only test it fully with a voltmeter.

Where is the rear window washer located on a Chevy Trailblazer?

They are listed as powering the rear window washer. Now go to the fuse block under the rear seat on the driver’s side. Check fuse #9, it’s listed as powering the wiper motor. But since the wiper and the washer are powered by separate circuits, it puzzles me how they both quit at the same time….that makes me think a wire harness came unplugged.

Where does the wiper fluid go in a windshield washer?

It’s okay if you don’t fill the wiper fluid up to the fill line since the pump attaches to the bottom of the tank. Tip: If you live in an area with freezing temperatures, buy wiper fluid that’s made with a low freezing point.

Why is my rear wiper not working on my car?

But the most common cause of a dead rear wiper is broken/flexed wires inside the rubber boot at the liftgate hinge line. Over time, the conductor can break or get intermittent, even if the insulation is intact.

How does the rear window wiper work on a Chevy Trailblazer?

Also note that the rear wiper/washer control has a “lock out” feature…that’s what I call it. Each time you start up the engine, you have to turn the wiper/washer off and back to on to reset it’s function. GM doesn’t want you to start the engine, and have the wiper come on unintentionally while frozen to the rear window, and burn out the motor.

How are rear windshield wipers the same as front wipers?

Rear windshield wipers work exactly the same as front wipers. There is a parking circuit built into the motor that seats the wipers when turned off. A wiper switch and related wiring control the on-off operation and wiper speed.