2006 Hummer H3 intermittenly wont start. Have to wait 10 minutes then it will start. Read online taht replaceing the "ignition switch" would fix the problem. Tried that, now it wont start even after waiting the 10 minutes. Put the old "ignition switch" back on and would crank but no start. Waited 10 minutes and was able to start. Im running now but I would like to fix this problem.

Hummer X Forum • View topic - H3 no 4x4 at all! - Hummer X Club

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Feb 15, 2010 - 15 posts - ‎7 authors Well another high center incident, #3 for Tink, in her 2006 H3. ... "No SERIOUSLY, don't follow me, you WON'T make it" ... The systems on the H3 are designed to try and lockup wheels via the brakes to allow max torque to the ... 2006 h3 wont start :/
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Check your fuel relay.

Check the fuses of the lo and hi 4 wheel drive or disconnect the terminals put them together for ten minutes and reconnect and start and see what happens

Fix your car right away by clicking the link I attached 2006 Hummer H3 Service Repair Manual Download

Here is a good link with info and a permanent solution http://vatspasslockpasskeysecurityhelp.yolasite.com/

Hello:Try this procedure: turn key on, turn to start, let key come back to on wait ten minutes, turn key off wait 10 seconds turn key back on wait 10 minutes. turn key off wait 10 seconds turn key back on wait 10 minutes turn key off wait 10 seconds NOW try and start. In addition you might try tapping on switch assembly while trying to start. There is not any way to disable passlock. You might try having the engine control system codes read

Put it in neutral and try again. My s10 does this all the time.

It might be the Starter Safety Switch which prevents the car from starting while in gear. Try jiggling the shifter while in Park, or put it in Neutral and try it.

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.

I can't get my hummer to start! put in a nwe battery and starter and it still will not crank!........ when I turn the key I get nothing.......

1 could it be the init.switch
2 or some other issue