Just Bought my Trailblazer (A Couple of questions) - Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum



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OEM Issues Original Equipment Repairs and/or Problems

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  #1  
Old 12-30-2009, 09:36 PM
mylesroth mylesroth is offline
 
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Question Just Bought my Trailblazer (A Couple of questions)

Hey all,
Just bought a 07 Trailblazer LT. First off, it does have the backup sensors on it. If I enable the permitor lighting, when I to unlock it the lights turn on including the backup lights. When I walk around to my trunk the car starts beeping like something is behind it, but its in park??? Im thinking its somehow wired to the brake lights, Not a biggie just turned off permitior lights and all is good, is there a way around that, I kinda like the lights at night.

Also im not sure I never owned a trailblazer before, but when your driving does any notice a small click when you let off the gas, I can barley feel it, I jut want to make sure its normal. My rental trailblazer did that also, just woundering if thats a trailblazer thing.

Anyways thats my two questions just wanted to say hi and all, love my trailblazer I have the vortec I6, loving the inline, idles really smooth.
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  #2  
Old 12-30-2009, 09:52 PM
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Robert1101 Robert1101 is offline
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Welcome to the site and HI neighbor.
Do not know about the backup sensors and I have never noticed the click when I let off the gas. Had mine from day one and love it.
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  #3  
Old 12-30-2009, 09:59 PM
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Never heard of backup sensors being a factory option. Might be an aftermarket thing. Can you take a pic of the sensors in the bumper?

I don't have a click. You might look closely at the throttle pedal for things touching it. Is the noise in the cabin or external?



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Old 12-30-2009, 11:19 PM
mylesroth mylesroth is offline
 
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Originally Posted by Robert1101 View Post
Welcome to the site and HI neighbor.
Do not know about the backup sensors and I have never noticed the click when I let off the gas. Had mine from day one and love it.
Im from Raeford also, but if I say raeford everyone would ask where the heck that is. The clicking is not the bad, I think its normal, my rental did the same thing, I used to have a scion tc small car, I dont think im used to driving a truck??
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Old 12-30-2009, 11:22 PM
mylesroth mylesroth is offline
 
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Originally Posted by the roadie View Post
Never heard of backup sensors being a factory option. Might be an aftermarket thing. Can you take a pic of the sensors in the bumper?

I don't have a click. You might look closely at the throttle pedal for things touching it. Is the noise in the cabin or external?
I can in the daylight its dark here now, but yeah, when I put it in reverse it beeps inside the cabin when I come close to things. Its a 2LT not a 1LT maybe thats why, its pretty much loaded to the hill, it has every option GM offers, leather, sunroof, heated seats, power seats, wind visors, the original bill of sale was 41,000. I bought it used yesterday with 27,000 miles on it. didnt think that bad for a 2007.

With the click its not a noise, I can just feel it in the pedal. I have noticed the pedal is super close to the side not much room for a foot.
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Old 12-30-2009, 11:25 PM
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I have to agree with Roadie... sounds like an aftermarket item. Chevy didn't offer back up sensors on the TB.
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Old 12-30-2009, 11:29 PM
mylesroth mylesroth is offline
 
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I have to agree with Roadie... sounds like an aftermarket item. Chevy didn't offer back up sensors on the TB.
its weird though it matches the color of the car and all, there molded right into the bumper there is two just between the rear break light and the license plate but on the bumper just trying to give you a idea of the area there located. Maybe there aftermarket if so who ever did it made it looks really good. They must have wired them to the reverse light, which makes sense everytime the light goes on.
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Old 12-30-2009, 11:34 PM
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Originally Posted by mylesroth View Post
its weird though it matches the color of the car and all, there molded right into the bumper there is two just between the rear break light and the license plate but on the bumper just trying to give you a idea of the area there located. Maybe there aftermarket if so who ever did it made it looks really good. They must have wired them to the reverse light, which makes sense everytime the light goes on.
Thats how I would wire them. It should be safe to use the perimeter lighting, just let the thing beep, shouldn't hurt it. The system should turn off when the lights go off.
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Old 12-30-2009, 11:37 PM
mylesroth mylesroth is offline
 
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Originally Posted by ghoster View Post
Thats how I would wire them. It should be safe to use the perimeter lighting, just let the thing beep, shouldn't hurt it. The system should turn off when the lights go off.
No its pretty bad, for example I had it on, I went to unlock my car after food shopping at target. Well the lights come on, I open the back hatch and the backup sensors notice us back there so as we load the food, its a load beep coming from inside the car. Bassically saying were 2 inch away from hitting something, but the car is in park. It sees the rear backup lights come on and goes off when I open the back hatch.
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Old 12-30-2009, 11:41 PM
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Quote:
Originally Posted by mylesroth View Post
No its pretty bad, for example I had it on, I went to unlock my car after food shopping at target. Well the lights come on, I open the back hatch and the backup sensors notice us back there so as we load the food, its a load beep coming from inside the car. Bassically saying were 2 inch away from hitting something, but the car is in park. It sees the rear backup lights come on and goes off when I open the back hatch.
Think of it as your own personal equipment test procedure, at least you will always know the thing is working!

Other than living with it, you would have to rewire the system. Probably wouldn't be too hard if you are handy with a multimeter, wiring, a relay I would think, and reading schematics.
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