Door swapping

Tiny
LIONEL SUR SIDE WADE JR.
  • MEMBER
  • 2002 CHEVROLET AVALANCHE
  • 5.3L
  • V8
  • 4WD
  • AUTOMATIC
  • 200,000 MILES
I have the truck listed above, 1500 4x4. I'm taking 2005 Chevrolet Avalanche Limited Edition doors and swapping them with my 2002 doors and for some reason the wiring colors are different. I need help.
Friday, June 10th, 2022 AT 10:03 PM

1 Reply

Tiny
STEVE W.
  • MECHANIC
  • 13,463 POSTS
That is because the 2005 uses entirely different control systems in the doors than the 2002. The 02 uses regular switches and relays to control the motors and locks. The 05 on the other hand has control modules in each door and uses computer controls to make them operate, the systems are not interchangeable, nor can they be rewired to work. To make things work you would need to swap everything from the 2002 door into the 2005 door. The wiring harness, switches and more were changed over in 2003 to the new system. I believe the window regulator and motor are still the same as the door latch and locks, the switches are not the same though.
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Friday, June 10th, 2022 AT 11:52 PM

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