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Does the Air Bag have a Secondary Power Source?

Old Aug 29, 2005 | 04:55 PM
  #1  
350350's Avatar
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Does the Air Bag have a Secondary Power Source?

I have a '97 LT1/6spd car and my Son loves to ride shotgun with me. He also barfs his guts out if he rides in the back seat too long.

So I just pull the Air Bag fuse when he rides shotgun. But then I see the Air Bag light on the dash when the fuse is out and I wonder if there's a backup Power Source...

Anyone?
Old Aug 29, 2005 | 06:04 PM
  #2  
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Re: Does the Air Bag have a Secondary Power Source?

not really, there is a internal capaciter, but generally, that lasts for 5-10 minutes max, the reason the light is just a failsafe type thing, letting the driver know of a problem(in this case, loss of power to the SIR module), the bags won't deploy if the fuse is out
Old Aug 29, 2005 | 06:14 PM
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Re: Does the Air Bag have a Secondary Power Source?

I'm pretty sure any dealer can install a manual passenger airbag cutoff switch. I know my Dodge Ram has one (since it doesn't have a rear seat)
Old Aug 29, 2005 | 08:31 PM
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Re: Does the Air Bag have a Secondary Power Source?

I work as a GM technician. If you pull the airbag fuse out and the light comes on then the airbags won't deply. When the SDM (airbag control module) see a problem and turns on the light it won't deploy the airbags because it sees there is a problem in the system and it doesn't know if the problem could be something that relates to a bag or wiring,etc. So it just shuts the system down.
Old Aug 30, 2005 | 01:20 AM
  #5  
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Re: Does the Air Bag have a Secondary Power Source?

Weird.

My Air Bag light was on, so I pulled the fuse.
Now the light doesn't come on.

And here you all say the light should remain on?
Guess I'd better get it looked at.
Old Aug 30, 2005 | 06:25 AM
  #6  
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Re: Does the Air Bag have a Secondary Power Source?

Cool... Sounds like the Little Man is safe in the Shotgun Position!!!

I called a dealer once about installing a passenger side cutoff, but they had no idea what I was talking about. However, I thought it was like federally mandated or something that they do it, and I only tried one place, so I'll try some more dealerships now that I live in a much much larger city with lots of dealers...

Thanks!
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