Question about 2002 Chevrolet TrailBlazer

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2002 Trailblazer security light on, will not crank, replaced steering column

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Follow exactly Key in off position starting out
1.Try to crank then leave in run (don't turn off) wait till security light stops flashing.
2. Turn switch off for 10seconds
3. Repeat 1 & 2 for a total of 3 times

It takes 10 mins before security stops flashing each time.

Posted on Jan 03, 2017

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Did you use the original key and lock cylinder? They are coded for the security system.

Posted on Dec 31, 2016

  • Bob Butcher
    Bob Butcher Dec 31, 2016

    No I lost original Lee's and Friends destroy life cylinder getting it out and have to casing on the other problem that led me to change out the column and I still have the same problem turn ignition on nothing no crank no nothing I get the 10-minute relearning nothing so that leads me to believe it's maybe not the security system it's something else

  • yadayada
    yadayada Dec 31, 2016

    You need to read the resistance value of the original key to get the right one or the system locks you out.



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1 Answer

Wen i have door open and key in the ignition playing the radio.i wont to no how can i disconnect the dinging bell altogether. 2002 chevy trailblazer.

If you have a factory radio, you might be able to threw the radio. Get to the menu and personalization part. If not, you can remove the key in switch on top of the lockset, in the steering column. Small white switch on top.

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Depending on the make model and year, did you have a key cut to match the new lock cylinder and the old key chip ?

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It sounds like a linkage in steering column or at transmission has come undone or broken. You should be able to see the arm that comes down from the steering column to the transmission if you crawl under with a light. That's could be an an easy fix, but getting in the steering column is best left to professionals. Hope that helps.

Jan 17, 2018 | 2002 Chevrolet TrailBlazer

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Power steering went out on a 2002 trailblazer. the serpentine belt was slipping off so I replaced the serpentine belt and pulley tensioner, still out. Pulled the steering pump, pulley shaft was broken....

Have you checked your tie rods? Possibility one is either bent or broken, I've seen it before on TB's. That pulley shaft is a common problem to break, especially when cold out. PS pumps/pulley shafts and tie rods will snap if doing donuts in the snow with the steering wheel cranked, or off-roading. The PS is completely mechanical, no fuses or relays.

Jan 31, 2011 | 2002 Chevrolet TrailBlazer

1 Answer

My security light keeps comeing on and i keep having to wait 10 minutes to start my vehicle because ill turn the engine over and it wont start cuz the security system locks it up.

First you have to see if you have an aftermarket remote start installed. If you do then there is a problem with the way they bypassed the passlock security system. Drop the dash and get to the steering column on the truck. At the column you should find a 18 gauge yellow wire that has been cut and spliced into. It should be the thinner of 2 yellow wires that maybe cut. Put them back together or make sure they have a good soldered connection. If you have no aftermarket starter then you may have a bad ignition swith because the passlock is built into the ignition switch tumbler.

Nov 20, 2010 | 2002 Chevrolet TrailBlazer

1 Answer

When i turn the ignition key in my 2002 trailblazer all the lights will light up, but the truck will not start. the security light come on. i was told it may be the anti theft that is disabling my truck.

This seem to be a comand problem with GM.
Here's how to fix it.Put key in switch leave switched on 15 min. then switch off then crank the vehicle,you should be good to go. Let me know if it works.

Jun 03, 2010 | 2002 Chevrolet TrailBlazer

1 Answer

My traction control service light keep comming

could be, need to inspect all the wiring in steering colmn first,

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02 chevy trailblazer 4.2l car wont start installed new starter still wont crank or start test fuses all are good lights and horn operate but no start could it be the ignition switch not giving power to the...

You need to establish that you have 12v in the battery and that all connections are clean and secure. Lights horn etc do not give you voltage verification...your starter uses more amperage than anything else in the car. Once you are certain that everything is OK, check for 12v at the small wire on the starter with the key turned to start. If no volts, check the neutral safety switch or clutch switch Then check ignition switch for power in/out.

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1 Answer

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make sure the battery termanals are tight,, give it a jump and see, can't hurt.

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