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Why are the power Mirrors not working?

Tiny
TRAILBLAZER16
  • MEMBER
  • 2002 CHEVROLET TRAILBLAZER
  • 171,000 MILES
Last night we opened the windows on the car to let some air in and it started raining, I went out to close them and everything seemed okay. I dried off everything and not much rain had gotten in. But today we went out and the mirrors weren't moving. We are out of town and hope this is just a easy thing we can do ourselves.
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Tuesday, July 3rd, 2012 AT 2:51 AM

13 Replies

Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
Hello,

It sounds like the DDM module has gone out if the fuses are okay which you should check first. Here is guide to help us get started and the fuse locations with the mirror wiring so you can see how it works.

https://www.2carpros.com/articles/how-to-check-a-car-fuse

If the fuses are okay the drivers door module will be next. Check out the diagrams (Below). Please let us know what you find. We are interested to see what it is.
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Tuesday, July 3rd, 2012 AT 5:21 AM
Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
DOM Fuse # 10 ( 10 A)
LT Door Circuit Breaker 2 ( 25 A)
RT Door Circuit Breaker 2 ( 25 A)
All fuses in rear fuse block ( below left rear seat) see diagram.

If water had gotten to the driver module inside driver door, then you could have a bigger problem than the fuses.
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Tuesday, July 3rd, 2012 AT 2:48 PM
Tiny
TRAILBLAZER16
  • MEMBER
  • 11 POSTS
Thanks for the help it was the DDM cost me $134.00 for the unit but all working again! I love this site.
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Tuesday, July 3rd, 2012 AT 6:58 PM
Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Nice work, we are here to help, please use 2CarPros anytime.
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Tuesday, July 3rd, 2012 AT 8:20 PM
Tiny
ANDREWG88
  • MEMBER
  • 4 POSTS
  • 2004 CHEVROLET TRAILBLAZER
  • 4.0L
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 145,000 MILES
I tested my vehicle for a parasitic draw and discovered it was the instrument cluster. After putting everything back together I lost functionality of all four windows, locks and mirrors. I tried testing the relays and fuses which all had power and seemed to be working, I tried a new door module and still had no working locks or windows or mirrors, I replaced the accessory fuse and those items still did not operate.
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Wednesday, December 5th, 2018 AT 10:17 AM (Merged)
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
For windows put old module back in if you have it this may need scanning by a local professional to fix the windows. For the locks go to driver information center see pictire on how ot fix the locks. To exit hit trip or fuel info.
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Wednesday, December 5th, 2018 AT 10:17 AM (Merged)
Tiny
ANDREWG88
  • MEMBER
  • 4 POSTS
Thank you for the quick reply. I do not have the fill DIC on my model I have a simple cluster just has guages and digital trip.
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Wednesday, December 5th, 2018 AT 10:17 AM (Merged)
Tiny
ANDREWG88
  • MEMBER
  • 4 POSTS
I meant full*
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Wednesday, December 5th, 2018 AT 10:17 AM (Merged)
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Have it scanned for codes as I am assuming you have checked fuses under hood and relays. Auto parts will not be able to scan for this.
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Wednesday, December 5th, 2018 AT 10:17 AM (Merged)
Tiny
DANFLO
  • MEMBER
  • 1 POST
  • 2004 CHEVROLET TRAILBLAZER
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 55,000 MILES
My passenger side window, power door lock and remote mirror will not work!
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Wednesday, December 5th, 2018 AT 10:17 AM (Merged)
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Have the trouble codes checked. There are possible codes for this problem. Check the wiring going into the passenger side door, hinge side. Orange is voltage, hot all the time use voltage tester. Black wire is ground.
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Wednesday, December 5th, 2018 AT 10:17 AM (Merged)
Tiny
ANDREWG88
  • MEMBER
  • 4 POSTS
Thank you for the quick reply. I do not have the fill DIC on my model I have a simple cluster just has gauges and digital trip.
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Wednesday, December 5th, 2018 AT 10:17 AM (Merged)
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Then it will need to be scanned to see what is wrong. Auto parts will not be able to do this a local professional will have to use a professional grade scanner.
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Wednesday, December 5th, 2018 AT 10:17 AM (Merged)

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