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.

no power to dash gas gauge & temp No Crank

Old Jan 27, 2020 | 09:40 PM
  #11  
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Btw, your concern with gauges, KOEO, only the fuel gauge moves.
 
Old Jan 27, 2020 | 09:50 PM
  #12  
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Default KOEO no power to gas gauge, temp or starter

I just tried and posted a video. No one on net has had this problem that I can find. That is the only reason I posted this. Hope to find the cure.
 
Old Jan 27, 2020 | 09:56 PM
  #13  
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Do you know how to get to ignition switch?
 
Old Jan 28, 2020 | 04:57 AM
  #14  
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Originally Posted by hummerz
Do you know how to get to ignition switch?
yes, I tried a new passlock sensor that has 2 screws holding it on. Does same thing. I didn't replace the full ignition assembly. Looks like that has a rivet that needs to be drilled out to remove. Don't want to do all that and it's not the problem.
 
Old Jan 28, 2020 | 09:41 AM
  #15  
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The sunroof question was important. When was the last time you cleaned the drains for the sunroof? Has you passenger side floor ever been wet after a rain, like the nearly 3 inches we got 2 weeks ago???

When sunroof drains are not maintained, they get plugged, the sunroof drain tray overfills and leaks onto the headliner and down the passenger side A pillar onto the BCM which is mounted behind the passenger side kick plate. Gets the carpet wet. Causes all kinds of electrical issues, including yours. There are a couple very good threads here on how to fix the plugged sunroof drains, check the floor and give them a search. Do not blow compressed air in them.

 
Old Jan 28, 2020 | 06:01 PM
  #16  
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Thank you for the reply. The car is stored in a garage most all the time. I have not ever got water on the inside before. I keep the car really clean and detailed.
 
Old Jan 28, 2020 | 06:15 PM
  #17  
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Did you check for signs of rodent infestation?






 
Old Jan 28, 2020 | 09:11 PM
  #18  
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[QUOTE=hummerz;369909]Did you check for signs of rodent infestation?



I tried a new sensor and it didn't change anything. When you turn the key on you can see the gas and temp needles go down little more. So they are getting some kind of electric signal. Dies the sensor on the right of the ignition only control key functions? What fuse would power gas and temp gauges?

 
Old Jan 28, 2020 | 09:13 PM
  #19  
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I have the K&N filter.
 
Old Jan 28, 2020 | 09:18 PM
  #20  
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Sorry, does the sensor on the right contol anything but key lock?

What does this sensor control? Only key lock?
 

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