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Recently did some work on car. Changed the ignition housing,

Customer Question
Recently did some work...

Recently did some work on car. Changed the ignition housing, with new key and remote keyless entry, and new clock timer. Car won't start. Can you help

Mechanic's Assistant: Have you checked the fob's battery?

Battery is good

Mechanic's Assistant: What is the model/year of your Chevy?

04 trailblazer

Mechanic's Assistant: Are you fixing your Trailblazer yourself? What have you tried so far?

Yes I'm fixing myself. I think it is locked out on the anti theft

Mechanic's Assistant: Anything else you want the mechanic to know before I connect you?

No that is all

Submitted: 8 months ago.Category: Chevy
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Answered in 1 minute by:
9/16/2017
Chevy Mechanic: TIM MOHR, ASE MASTER TECH replied 8 months ago
TIM MOHR
TIM MOHR, ASE MASTER TECH
Category: Chevy
Satisfied Customers: 16,489
Experience: 30 YRS EXPERIENCE, FOREIGN AND DOMESTIC, GAS AND DEISEL
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Hi, my name is ***** ***** the key housing was replaced, then the key has to be reprogrammed into the computer, have you done this yet?

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Customer reply replied 8 months ago
No have not done that
Customer reply replied 8 months ago
Someone said that it was not a chip key
Chevy Mechanic: TIM MOHR, ASE MASTER TECH replied 8 months ago

the chip is in the key housing, but you can do this yourself, are you ate the vehicle now?

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Customer reply replied 8 months ago
Is this something I can do myself or
Chevy Mechanic: TIM MOHR, ASE MASTER TECH replied 8 months ago

yes, are you at the vehicle now?

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Customer reply replied 8 months ago
No, but I can be
Chevy Mechanic: TIM MOHR, ASE MASTER TECH replied 8 months ago

let me know when you ar at the vehicle, and I can walk you through it,Tim

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Customer reply replied 8 months ago
Ok I'm at the car
Chevy Mechanic: TIM MOHR, ASE MASTER TECH replied 8 months ago

ok, when the key is insert and the ignition turned on, is there a security light on, or a security message displayed?

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Customer reply replied 8 months ago
No but the engine light is on
Chevy Mechanic: TIM MOHR, ASE MASTER TECH replied 8 months ago

There should be an antitheft light flashing or on, in the dash??

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Customer reply replied 8 months ago
No
Chevy Mechanic: TIM MOHR, ASE MASTER TECH replied 8 months ago

ok, turn the key to the start position and let it come back to the run position, and see if a light comes on?

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Chevy Mechanic: TIM MOHR, ASE MASTER TECH replied 8 months ago

ok, the light above your oil pressure gauge should be the security light, first close the drivers door, and insert the ky, then try to start it, and let it come back to the run position, then keep it there, after about 10 minutes the light will go out, and then turn the key off for 5 seconds, adn then try to start it, can you do this?

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Customer reply replied 8 months ago
I can. I will contact you when it's done
Chevy Mechanic: TIM MOHR, ASE MASTER TECH replied 8 months ago

let me know,Tim

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Customer reply replied 8 months ago
Did not start. Same lights
Chevy Mechanic: TIM MOHR, ASE MASTER TECH replied 8 months ago

ok, why did you replace the key housing to start with?

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Customer reply replied 8 months ago
It was drilled out and gear was broke off in the ignition housing
Chevy Mechanic: TIM MOHR, ASE MASTER TECH replied 8 months ago

ok, I am worried about the security light, it should be right next to the check engine light, on the left hand side of the cluster, it should come on for 2 seconds when the ey is turn on, then go out when the computer sees the signal, but I dont see it in your pictures?

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Customer reply replied 8 months ago
No it does not come on. Could it be something else?
Chevy Mechanic: TIM MOHR, ASE MASTER TECH replied 8 months ago

that going to be yur problem, was the vehicle stolen?? Why was the key lock drilled out?

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Customer reply replied 8 months ago
I let someone borrow my car and they lost the only key that I had. I'm going to take responsibility for this. I was the retard that drilled the lock cause I was trying to be cheap and see that it has costed me more at this point.
Chevy Mechanic: TIM MOHR, ASE MASTER TECH replied 8 months ago

ok, did you replace the whole housing, and lock cylinder?

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Customer reply replied 8 months ago
Also I broke the clock timer when taken it off, but replaced it with a new one
Chevy Mechanic: TIM MOHR, ASE MASTER TECH replied 8 months ago

there is a 3 wire connector at the lock housing, have you made sure it is connected? and none of the wires are damaged?

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Customer reply replied 8 months ago
the wires are connected. Is there anyway I can check the wires to see if they are good?
Customer reply replied 8 months ago
Those wires look like they go to the ignition plug on the bottom where the gear is. Is it possible that piece is bad? Where the wires go into. A plug on the bottom of the ignition housing where the gear turns
Chevy Mechanic: TIM MOHR, ASE MASTER TECH replied 8 months ago

the wires go into the keylock housing, the new housing has a new set of wires, did you replace this housing?

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Chevy Mechanic: TIM MOHR, ASE MASTER TECH replied 8 months ago

yes, that is it, does the yellow wire have 12 volts, when the key is on?

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Customer reply replied 8 months ago
Only has 5v
Customer reply replied 8 months ago
Hi Tim are you still there?
Chevy Mechanic: TIM MOHR, ASE MASTER TECH replied 8 months ago

did you check this with the connector installed on the housing, or with it disconnected?

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Customer reply replied 8 months ago
Checked it disconnected
Customer reply replied 8 months ago
I also checked the plug on the ignition starter plug and I'm getting 12v there
Chevy Mechanic: TIM MOHR, ASE MASTER TECH replied 8 months ago

ok, this wire is suppose to have 12 volts, it comes from the BCM, body control module, if it only has 5 volts, then the BCM is bad and will need to be replaced,Tim

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Chevy Mechanic: TIM MOHR, ASE MASTER TECH replied 8 months ago

Please take the time to rate me so I can get paid for helping, the question will stil stay open, and you can come back and ask follow up questions at no charge, thanks,Tim

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Satisfied Customers: 16,489
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