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Neal, Chevy Mechanic
Category: Chevy
Satisfied Customers: 8349
Experience:  Shop Owner and Mechanic on multiple makes.
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2005 trailblazer die while driving with a totl loss of power._

Customer Question

why does my 2005 trailblzer die while driving with a totl loss of power._
Submitted: 5 years ago.
Category: Chevy
Expert:  Neal replied 5 years ago.

I'm Neal and I am here to assist you. Only accept when you are happy with my assistance. If I can't help I will open your Question to other experts.


When you say a loss of power do you mean the engine or the electrical?


Does it start right back up?

Customer: replied 5 years ago.

Both, all out blackout, steering locked. all black dash. Kids were in vehicle.


Expert:  Neal replied 5 years ago.
DId it restart afterwards?
Customer: replied 5 years ago.

No restart. However, it did jump right off a jumpbox. At first i thought it was a draw. No such luck. Its my belief primary power is being interupted by either a loss of relay or unintensional ground.

maybe. i could be wrong.


Expert:  Neal replied 5 years ago.
A couple basic things first. Are you sure it is charging? Did you replace the battery?
Customer: replied 5 years ago.

Battery was replaced while i was in Iraq. Charging at 14.23 volts. Good numbers charging.


Expert:  Neal replied 5 years ago.

Are then any codes stored?


Has it done this more than once?


Has it done it since the ignition was swapped?

Customer: replied 5 years ago.

Yes , it had a code for an ignition swith failure. Yes it has done it more then once.. Before and after replacement of switch..


Expert:  Neal replied 5 years ago.
Did you replace the lock cylinder or the ignition switch?
Customer: replied 5 years ago.

Switch. Lock is fine.


Customer: replied 5 years ago.

Im beginning to think that battery is jacked but. im going to retrieve the vehicle today and throw everthing i have at it. It is something stupid. i know it in my heart.



Expert:  Neal replied 5 years ago.

A battery with an intermittant internal short will cause issues like that. And will test good when not shorting so I would try another battery to rule it out.


Another possibility is that if you had a false code for the ignition switch, it could be the computer has a fault.

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