Hummer H2 For those who like a little more gleam to their Hummer, the H2 offers a similar rugged look as the H1, but as a lower cost, and with more added features, making it almost a massive luxury SUV.

Passenger Door Power

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Old Jan 15, 2023 | 03:32 PM
  #1  
PGI Conch's Avatar
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From: Port St Lucie, Florida
Default Passenger Door Power

Door Power - So there is zero power to the passenger door. Power window, door lock and mirror don't work with any switch either on the passenger door or the drivers door controls. Is there a single fuse, relay or secondary connection point that would keep all door functions from working all at once? TIA
 
Old Jan 15, 2023 | 05:51 PM
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Maybe wiring harness connector.
Does driver side seat work. Do seat heater controls work?
 
Old Jan 15, 2023 | 06:02 PM
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PGI Conch's Avatar
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Originally Posted by finall
Maybe wiring harness connector.
Does driver side seat work. Do seat heater controls work?
Yes, everything works - on driver, and both rear doors including the driver door seat heater control. Both rear door windows and locks work from drivers control panel as well as the liftgate lock. But passenger door has no power to anything except the radio speaker. I get sound there. But now PD external mirror, window or lock operation. Seems unlikely that the door harness would break/short all those functions but not the speaker. One thing I've seen on a wiring diagram is there is a right door 25A breaker somewhere in the left kick panel area, and some kind of internal door Power module located somewhere in the door. Will try to find those tomorrow.
 
Old Jan 15, 2023 | 08:24 PM
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From: BX NY North East
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your speakers are not powered. guess what is everything else not working. check the wire loom that goes into the door for a broken wire. rubber hose between truck and door.
 
Old Jan 16, 2023 | 01:00 PM
  #5  
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Default Problem solved.

Found it. Passenger Door Module power fuse was either not pushed in correctly or something in/around that fuse block (inside to left of dash) area was loose. Pulled the fuse to check it and found it to be OK. Reinstalled the fuse, pushed on the wire loom connector next to it, and everything worked. Voila! That also solv3d my problem with the FOB not working as the remote control is located in the passenger door module. Yea!
 
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