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01 tahoe rear wiper just clicks
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buckwheat
New User
Sep 21, 2010, 4:48 AM
Post #1 of 6
(4999 views)
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01 tahoe rear wiper just clicks
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01 chevy tahoe rear wiper motor just clicks tried new motor and new grnd also rear window defroster dont work all fuses good
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Sep 21, 2010, 7:42 AM
Post #2 of 6
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Re: 01 tahoe rear wiper just clicks
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Gotta ask as I don't know. This has flip up glass and tailgate that goes down - right? Is the tailgate a composite or metal?
These things that move frequently use contact buttons instead of hard wired - at least the slightly older barn door type did that and if like that they must make good contact. If like that make sure they are clean. Gate may need to be adjusted tighter and or ground still isn't enough. Test that with a test light in reverse meaning power to common test light's alligator clip then what you touch with prick end on ground would light it.
They put ground straps all over vehicles and when you get way back there it may not make it from one up front so test. Frame needs to be grounded and they probably use another braided ground strap in the rear from frame to body metal to assist,
T
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buckwheat
New User
Sep 21, 2010, 8:31 AM
Post #3 of 6
(4985 views)
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Re: 01 tahoe rear wiper just clicks
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THE GLASS DOES OPEN UP BUT THE WHOLE BACK DOOR (TAILGATE) LIFTS UP FROM WHAT I CAN TELL THE WIREING GOES THROUGH THE HEADLINER I RAN A GRND WIRE FROM BAT NEG ALL THE WAY BACK TO WIPER MOTOR NO CHANGE I TOOK THE CIRCIT BRD OFF WIRED IT DIRECT MOTOR RUNS BUT ITS SLOW UNTILL I PUT THE BATTERY GRND ON IT IS THE BLK WIRE GOING TO MOTOR THE GRND ????
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DanD
Veteran
/ Moderator
Sep 21, 2010, 8:48 AM
Post #4 of 6
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Re: 01 tahoe rear wiper just clicks
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The wiper motors on these things are actually called modules; in other words computers. The wiper module monitors a window fully closed switch, along with “lift gate ajar” switches (left & right sides). If any of the three switches, do not close the module will not allow the wiper motor to operate.
And as Tom said the contactors on the glass need to be clean and tightly touching when all is closed.
Dan.
Canadian "EH"
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buckwheat
New User
Sep 21, 2010, 8:55 AM
Post #5 of 6
(4975 views)
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Re: 01 tahoe rear wiper just clicks
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THAT MAKES SENSE I HAD GATE OPEN WHEN I WAS TRYING EVERYTHING IM IN CLEV NOW I WILL TRY THAT WHEN I GET HOME MY REAR WINDOW DFRSTR DONT WORK EITHER I JUST BOUGHT IT HOPE ITS NOT IN WIRERING HARNESS
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Sep 21, 2010, 8:56 AM
Post #6 of 6
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Re: 01 tahoe rear wiper just clicks
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THANKYOU DAN for jumping in. I wasn't sure exactly how the power got to that model OR that they went dang computer to know it's closed tightly and sensing contact. With the two problems at once it makes sense now,
T
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