2004 HUMMER H2 BATTERY WAS REPLACED AND NOW THE SAT NAV SCR

  • Tiny
  • Kbarnes1
  • 2004 HUMMER H2

Electrical problem
2004 Hummer H2 V8 Four Wheel Drive Automatic 90K miles

After having the battery changed, the screen on the music system which inludes the sat nav is blank. Does the system need to be reset and if yes how? The radio etc is working just no screen. Thank you

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Friday, March 12th, 2010 AT 8:19 PM

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  • Tiny
  • Factoryjack
  • EXPERT
  • 4,262 POSTS

Typically, there is no special procedure that needs to be performed. Is this a factory navigation unit? You can try removing the 15A radio fuse in the underhood fuse box, and reinstall it after a couple minutes to see if it corrects it, kind of works like a reboot. If it is aftermarket stereo, I would still try removing the power.

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Friday, March 12th, 2010 AT 11:03 PM

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