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2007 Hummer H3 Keyless entry

Tiny
DEPUTYJ
  • MEMBER
  • 2007 HUMMER H3
  • 120,000 MILES
My keyless entry recently starting acting odd. It will not work for weeks at a time. Then after a rain storm it will work a few times. Then nothing again. I also changed out some of the lights in my truck and had to disconnect and reconnect the battery.
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Thursday, September 12th, 2013 AT 5:34 PM

3 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Check for a bad ground going to body and engine, clean terminal ends on battery. Check battery in key fob. If none of that works scan for codes.
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Friday, September 13th, 2013 AT 9:52 AM
Tiny
DEPUTYJ
  • MEMBER
  • 2 POSTS
Where would the ground wire be coming from? I checked the bcm and the computer in the engine compartment. All connections appear solid. And I checked my key fob at Advamced Autoparts and that's working.
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Friday, September 13th, 2013 AT 3:47 PM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
One goes from battery to engine under drivers seat and middle of console then left engine block an dlh engine compartment behind battery.
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Friday, September 13th, 2013 AT 4:19 PM

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