2006 trailblazer lights go out while driving at night

2006 Trailblazer won't start - Discussion on Topix

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Sep 6, 2012 - My 2006 Trailblazer will not start, bought a new battery, still will notstart, not even with a jump. ... i get a jump i drive it and charged the battery it seemed fine but then i went ... Then, next morning, when I turn key, all lights come on and radio... back a day and 360$ well that pos still will crank but will not start. 02 trailblazer a/c problem
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could be a shortage

You'll need someone to check for a battery drain.
Something like a glove box light is using electricity when everything is switched off.

Look for any lights on the dash when this happens. If you see a light that says security, this is the sign of the problem.

http://vatspasslockpasskeysecurityhelp.yolasite.com/

Thats the light indicator for your oil change. It is based off of your driving habits, and senses when you should change your oil. You can reset or turn the light off following a basic sequence found in your owenrs manual.

I read over the recalls and they do have recalls on brake and turn signal lights but not the low beam headlights while driving at night.

Sounds like the relay or headlamp driver module relay 46, for the headlights is going bad, though.
Or, it could alternatively be bad grounding of wire somewhere or bad wiring in general.

I would check in the underhood fuse box for the relay and see if wiggling it to ensure a good connection helps matters.


Underhood Fuse Block 4.2L Engine Except Saab Underhood Fuse Block (2002 - 2005 Early Production)

Underhood Fuse Block (2005 Late Production - 2007)

Saab Underhood Fuse Block (2005)

Underhood Fuse Block (2005 - 2007)

5.3L Engine Except Saab Underhood Fuse Block (2003 - 2005 Early Production)

Saab Underhood Fuse Block (2005)

Underhood Fuse Block (2006 - 2007)

5.3L & 6.0L Engines Except Saab Underhood Fuse Block (2005 Late Production - 2007)

have the presher switch checked out it could be faulty,,dont drive the car or run the engine till you know you have oil presher,,,your engine wont live very long without oil presher,,,only minuets at best!!!

It depend on how fast your going when you kick in four wheel drive. You should be doing no more than 20 mph for it to kick in.

could be the fuse under the hood or the selector lever itself malfunctioning

may check the safety nuetral switch, it can sometimes ause this....