I have replaced the motor twice, wiring harness, switch on dash. Still will not work. I have juice at the plug when switch is on. I have closed the hatch when testing. Fuse is good. Don't know what else to try. Levi3rd3@aol.com
Check for power at the motor, with multimeter. If no power then it could be the fuse. The fuse number is 3 and is 10amp. See Autozone.com "http://econtent.autozone.com:24991/znetrgs/repair_guide_content/en_us/images//0900c152/80/0a/9e/0e//large/0900c152800a9e0e.gif" for schematic.
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the switch that you turn to ge the wiper to wipe -- controls the power to the wiper motor. You need check the wiring from the switch to the wiper motor -- for break or disconnects. you may have to replace the switch oor install a dash mount switch instead And bypass the stock switch.
There is an electric motor that runs the wiper in the rear hatch. Remove the rear plastic panel and verify that the motor is getting 12 volts, using a multi-meter. If it is, then the motor needs replaced. If not then the wiring is likely bad between the switch on the dash/stalk and the rear wiper. The wiring may have broken where it goes into the rear hatch, also.
unplug the wire at the wiper motor and then turn the key on and then turn the wiper switch on and test the wires at the plug with a 12 volt tester . if u dont have any thing then ur wiper switch is bad , if u have juice at the plug then it sounds like its the motor.
Disconnect and isolate the battery negative cable.
Remove the rear wiper arm from the rear wiper motor output shaft.
Using a small thin-bladed tool, gently pry at the notch in the base of the rear wiper motor output shaft bezel to unsnap the nut cover from the bezel .Be certain to take proper precautions to protect the outer tailgate panel and its paint finish from damage during this procedure.
Remove the nut that secures the rear wiper motor output shaft to the outer swing gate panel
Remove the bezel and gasket from the rear wiper motor output shaft.
Remove the trim panel from the tailgate inner panel.
Disconnect the tailgate wire harness connector for the flip-up glass ajar switch from the flip-up glass latch connector receptacle.
Disconnect the tailgate wire harness connector for the rear wiper motor from the motor connector receptacle
Loosen the two screws that secure the rear wiper motor mounting bracket to the top of the tailgate inner panel.
Slide the rear wiper motor and mounting bracket forward far enough to disengage the two mounting screws from the keyed slots in the top of the tailgate inner panel.
Remove the rear wiper motor and mounting bracket from the tailgate as a unit.
GOOD LUCK ON THE RELAY, THERE ISN'T ONE, IT IS PART OF THE GEM MODULE, AKA LIGHTING CONTROL MODULE.
Hummmm, so you replaced the wiper motor
with a new one, and also the "multi function" switch….the black or
chrome lever that operates the wipers and the turn signals…correct?
That lever/switch is the most common failure for this problem that I
If you have replaced both of those, have your mechanic check to see if
you have an "intermittent wiper governor". This part is about half the
size of a cigarette box and just plugs into the wire harness for the
wipers. Look under the left knee area of the driver side dashboard and
follow the wire harness from the steering column going to the wiper
motor. There should be this box plugged into the wire harness within
that section of wires.
Some models had this governor, some do not….so you will have to
check to see if yours is equipped with it or not. Your mechanic should
be able to tell you this. We have replaced a few of these governors
over the years, usually for the intermittent part of the wiper not
working…but it COULD be the problem in this case