Question about 2006 Hummer H3

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What would cause my h3 2005 hummers headlights to start flashing very fast when I started it.

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  • Master
  • 1,705 Answers

At a guess, the starter motor needs so much power, you can't turn the engine over without disrupting the power to the lights. Its all coming from the battery.

1) Check your battery, is it over 2-3 years old, is it still charging properly, could need replacing.

2) Check ht connections are the all good and clean.

3) Don't switch your headlights on until the engine is running.

Posted on Feb 16, 2012

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  • Hummer Master
  • 5,370 Answers

For headlight flashing on start up issue,click this link below for details and troubleshooting :----http://technoanswers.blogspot.in/2012/02/hummers-headlights-flashes-while-start.html
---------This will help.Thanks.

Posted on Feb 16, 2012

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Posted on Jan 02, 2017

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SOURCE: 2009 Hummer h3 won't start

My H3 didn't start this morning. I noticed something unusual about my truck when I first tried. The alarm had a weak sound when it went off. The fact that it turned over but didn't start made me believe it was not the battery. I was trying to call the mechanic and a wrecker to get my H3 fixed. However, before that I got the wrecker out there, I went to Autozone. He told me it sounded like the battery and cold weather kills the battery. So 3 hours have passed and temperatures warmed up to a cool 56 degrees. I was going to put jumper cables but out of curiousity, I said well let me crank it and see if it was cold weather. Sure enough, it cranked right up.

Either way, I am going to take it to Autozone and have the battery checked. I can't miss another day of work due to an old battery.

Posted on Dec 29, 2008

  • 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

  • 1 Answer

SOURCE: 2006 Hummer H3 fails to start periodically

If you look in the owner's manual it will explain this. Happened to me a bunch of times, really embarassing. It is an additional anti-theft device . If the computer senses that the key is inserted improperly, or that it is not a perfect match for the code it has in its memory for your key, it shuts of the gas supply to your engine for approx. 10 minutes to defer theft. Still happens to me intermittently. Now only very rarely. Total pain. I cleaned my key..carefully, with WD40 and after drying put just a touch of graphite on the key and started the beast a number of times. My dealer didn't read the manual either. You must wait the full ten minutes before trying to restart....otherwise it never totally resets and (the first time this happened to me) you can sit there and fight it forever.

I don't have my owner'smanual handy to refer you directly to the proper pages, but its in there under theft deterent. Hope this helps......and that Hummer can provide aneasy fix for this.

Posted on Jul 21, 2009

  • 114 Answers

SOURCE: how do i shut off my change oil light in my h3

I'm not 100% on this but I think it's like a lot of GM's; turn the key to the "on" position(not running), stomp the gas pedal to the floor 3 times within 5 seconds & the light should flash & go out.

Posted on Sep 24, 2009

  • 474 Answers

SOURCE: hummer H3 (2008) does not start and error message

your anti theft is activated. consualt owners manual

Posted on Nov 28, 2009

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1 Answer

Hummer H3 Antitheft. How do I reset it


This may be related to the antitheft system The system is known for turning off the starter and/or injectors when it fails. Is there a light on the dash that says SECURITY? This is a common problem worth looking into. http://www.diy-gm-security.com/

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I'm not a Hummer mechanic but I would say it is related, and I would go on to suppose that the fuse panel got wet and caused your troubles. I hope you had a reputable glass shop install your glass because they will be responsible for any repairs and damages.

Mar 18, 2014 | 2006 Hummer H3

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Headlights wont work and dash and parking lights come when ignition switch is turned on. sometimes jiggling wires works. what is the problem?


Check out related help links with solutions to troubleshoot these problem.
Click the link below directly:---
Heater fan and headlights will not turn off with ignition off? http://technoanswers.blogspot.com/2012/01/heater-fan-and-headlights-will-not-turn.html

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http://schematicsdiagram.blogspot.in/2012/06/honda-headlight-assembly-removal.html-----------
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http://technoanswers.blogspot.in/2012/02/headlight-wiring-diagram-for-1997.html

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---------- 2001 Chevrolet Tracker: Headlights and Dash lights Pulsating? http://whoisbyme.blogspot.in/2012/06/2001-chevrolet-tracker-headlights-and.html
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Nov 22, 2012 | 1996 Pontiac Grand Am

2 Answers

My brake lights and rear blinkers are not working. I have replaced the bulbs in both brake lights. What next?


most blinkers uses relays, and when they flashes fast one light is out, but you replaced your burnt bulb might be a bad relay.

Sep 17, 2012 | 2007 Hummer H2 SUT

1 Answer

Headlights


For all types of car headlights repair and service issues.Click the link below and follow the troubleshooting:----All headlights not working? http://repairhelpcenter.blogspot.com/2012/01/all-headlights-not-working.html
--------headlights flashes while start? http://technoanswers.blogspot.in/2012/02/hummers-headlights-flashes-while-start.html
---------Headlights flickering and car hesitates to start? http://howtobyme.blogspot.in/2012/02/headlights-flickering-and-car-hesitates.html
----------Both headlights and turn signals not working? http://schematicsdiagram.blogspot.com/2011/12/both-headlights-and-turnsignals-not.html
--------Headlight wiring diagram ? http://technoanswers.blogspot.in/2012/02/headlight-wiring-diagram-for-1997.html
---------This will help.Thanks.

Feb 19, 2012 | 1999 Kia Sephia

2 Answers

I have a h1 hummer that will not start i have changed the glow plugs and the controler also the box on the injecter pump. I am geting fuel and the glow plugs are working. The hummer has set for a year....


Diesel fuel doesn't go bad like gasoline, at least not as fast. I've been around diesels in construction equipment and sometime a machine will sit for a couple years and still start right up. You have other problems. I don't know that much about the Hummer diesels but, Ford uses a high pressure oil pump to fire the injectors. The main oil pump supplies oil to the high pressure oil pump reservoir and then the high pressure pump supplies oil to the injectors. If Hummer uses a similar system the reservoir may have drained down and there is no oil for the high pressure pump to pump. Ford has plug where a person can fill that reservoir manualy if necessary. Maybe try cranking it some more, don't crank it more than 10-15 seconds at a time. Walk away from it for 10 minutes or so, then try again, make sure you let the glow plugs cycle. If it don't start after a half dozen tries, you may have to have a mechanic look at it. I'm sorry I can't be more help.

Feb 11, 2010 | 2002 Hummer H1

1 Answer

Headlight replacement


Open the hood, Turn the twist lock sleeve the surrounds the wiring harness end and pull out bulb holder. Pull out old bulb, press new bulb tab into slot, replace unit back into light housing, turn twist lock sleeve to secure to housing.

Dont touch the new bulb with your bare fingers.

Skin oils can heat up on the bulb and cause it to fail.

Jan 17, 2009 | 2004 Hummer H2

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