Hummer H3 For the Hummer driver who wants the rugged look and off road capabilities of the Hummer, but in a smaller size and with a more fuel economy friendly engine.

4wd problem

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  #1  
Old 12-28-2019, 11:15 AM
Rockorrock's Avatar
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Join Date: Nov 2012
Posts: 10
Default 4wd problem

hellp guys
plz i have an electric 4wd problem any one can help me
i change the plastc fork from 1 year no problem on that
from 2 weeks i try the 4 lock not work i try the 4 low work good
this week nothing work
i dont hear the transfer case motor work
i try to buy new one and i change it same problem
i use to run it out of the transfer case also not work
i try to run the motor on my battery out of the car on 12 v work good
so when i press the 4 hi and 4 low on neutral the motor not work and the bottoms led blank and bak the the first botomm awd
any one can help me plz


 
  #2  
Old 12-29-2019, 06:08 AM
LatvjuAvs's Avatar
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Posts: 115
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I guess you can check fuses and relays, if they work.

 
  #3  
Old 01-01-2020, 08:59 AM
Rockorrock's Avatar
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i check the relay when i take it out all the led off
 
  #4  
Old 01-02-2020, 11:39 AM
TAINTER's Avatar
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Join Date: Sep 2008
Location: SE Michigan
Posts: 5,930
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It may be as simple as a stuck button. I have seen it before.
 
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