Question about 2008 Hummer H3

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H3 Hummer alarm goes off for no reason and door notification goes off randomly when driving. HELP!

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

chuck943
  • 783 Answers

SOURCE: Explorer alarm going off randomly; additional electrical isues

Open drivers door and look at the hinge area. You will see a black rubber accordion looking tube going from the door to the a-pillar. This is the protector for the wiring harness. Wiggle it and see if this recreates your concern. If it does then pop it loose at both ends so you can inspect the wiring.Check each one carefully,feel them and tug on them.You will be looking for one that the wire inside the wiring insulation has broken,the two wires to really look at closley are the YE/BK and BK .
It may also possibly be a door ajar switch sticking and for this take some WD40 and shoot some in each latch on the side of the door and open and close the door several times and this usually un-sticks it.

Posted on Mar 21, 2009

  • 2 Answers

SOURCE: 2006 H3 Hummer AC/Heater Fan Motor

I brought my 2006 H3 in to the dealer for the same thing. My blower stopped working all together but it started as an intermittent problem. He said he had to replaced a diode or resistor either behind the switch on the dash that controls the fan or on the fan motor itself. Have not had a problem since but that was only about 4 months ago.

Posted on Apr 09, 2009

goofduck
  • 490 Answers

SOURCE: Hummer H3 rear lights staying on

if it is the brake lights that are on check the brake light switch on the brake pedal

Posted on Apr 21, 2009

swolfinor
  • 504 Answers

SOURCE: Hummer H3 ReProgram Garage Door Opener forOLD Genie

GOTO HOMELINK.COM

THEY MAKE THE SYSTEM AND HAVE INSTRUCTIONS YOU CAN DOWNLOAD.

PLEASE NOTE: NOT ALL BRANDS/MODELS OF OPENER WILL WORK WITH THIS SYSTEM.

HOPE THIS HELPS

Posted on May 27, 2010

  • 1 Answer

SOURCE: 2006 H3 Hummer fan problem

Hi if your internal fan not work in any position well i fixed up myself easy and save your money.
locate the fan motor air just outside right courtesy drawn document in front of passenger. go from down and look up you will see a motor with a big connector white with 2 screw secure inside the motor block. loose the two screws and pull out gently the connector from motor fan block. you will see a green multiresistor connected with this big connector. Usually the first + voltage connector is burnet out. disconnect the connector pull from resistor and check for any burn. in my case the first pin was burned out completely
you can buy another connector or you can clean the burned connector take out form connector weld a small copper cable of 5 mm dia from resistor to the burn cable and reconnect the connector without buy a new one. after replace again the resistor in the hole of motor blow with the 2 screw.
Done all work again without buy another new connector.
Gabriel from Italy Turin
H3 hummer 2007
loveling one and Humvee owner

Posted on Jun 11, 2010

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I read a service bulletin about door ajar light and power locks cycling while driving which i assume might actuate dome light as well.... rec. fix per service bulletin adjust "swing gate " striker

Good Luck

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