I want to wire my amp in the back of my jeep to the cable that connects to the rear wiper motor/rear defroster for the hard top. i think i have to make the jeep "think" it's connected to the hard top first by connecting some wires, but idk what. i believe it does this so wiper fluid doesn't accidentally get pumped with no hard top. by wiring it to the power output, it would turn off with the key, i wouldn't have to run power back there, and i can turn it off/on with the pre-installed switch.
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Has no relay . Has rear wiper module , part of the motor assembly . Check fuse's # 8 20 amp an #3 10 amp . the wiring diagram just show's junction block , must be inside fuse box . Check it out here http://www.bbbind.com/free_tsb.html free wiring diagrams .
power and ground. wiper motor should have two wires, one is power one is ground. give direct feed and you know its working. if you want to test the wires, run a test light or multimeter from the output wires (to the wiper) then activator the wiper switch. if you are getting power on your testlight, you know the wire is good :D
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.
first check fuses if all good remove back hatch panel find wiper motor remove plug . turn the ignition key to on position turn on rear wiper now test wiper plug for power if no power replace wiper motor
There could be a number of issues to look at. Does the motor work or is it a broken wireor is the fuse blown or bad ground to wiper motor. Check fuses first if O.K. go to the rear door panel & access the motor. Once there check the ground connection & make sure motor is well grounded. Turn motor switch on & using a probe tester check to see if power is getting to motor. If it is not, go to the wiring harness flex point between door & frame & pry back outer covering to reveal the wires. Check for a broken wire.If you have power & ground is good Take motor off & check motor on the bench using A 12 volt power scource. If it does not work replace motor. If this advice helps please fell free to recommend accordingly. Thanks!
these are totallyseparate circuits and therefore 2 different issues and unrelated, most likely u will need a window lift motor to fix the rear window issue, as far as the rear wiper goes a common issue is the wiring breaking from years of opening and closing the lift gate, the rear wiper most likely isn't getting any power as a result of this wiring damage.
If there is a separate switch for the rear wiper there might be a separate fuse. Check to see if your rear window cleaner works. If it doesn't check your fuse. If it does work i suggest that you replace the switch or check the connections of the switch. I hope this helps.