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No electrical power in passenger door

Tiny
HARPSTER
  • MEMBER
  • 2002 CHEVROLET TRAILBLAZER
  • 4.2L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 250,000 MILES
The passenger door is electrically dead. No dome lights when the door is open (the other 3 doors do), no power lock operation, no window operation even with drivers side window switch. No door ajar indication. This happened quite suddenly. The fuse is good, and the circuit breaker is good. Does anybody have the pinout of the Passenger Door Module?
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Wednesday, January 8th, 2020 AT 12:03 PM

1 Reply

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good afternoon,

I attached some diagrams for you to view. Check the window switch for the passenger side for power at the orange wire. It should have power all the time. If it does, then it could be a bad switch or module.

If it does not, then check the fuse listed in the diagram for power on both sides. This is not a visual test, it is a voltage test with either a test light or voltmeter.

If the fuse is good, there is a rubber boot from the body to the door. When you open the door the boot is exposed. It is common for the wires inside the boot to break and provide no power to the door.

Roy
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Wednesday, January 8th, 2020 AT 12:32 PM

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