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SRS Light Bypass AP2

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Old 04-17-2009, 04:45 PM
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You removed the drivers airbag = there will be a trouble code stored. It's stored in the separate SRS control unit.

2 stage inflators have a different resistance and wiring than single stange.

Measuring the resistance of a airbag can be asking for trouble, as some meters apply current to a circuit to do this. You'll find out when the bag deploys in your hands.
Old 04-17-2009, 04:50 PM
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Good point about NOT sticking tester probes onto an airbag.
Old 04-17-2009, 04:53 PM
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Unrestrained airbags will chase you around and do some damage, deployed one today actually.

It only went about 6 feet in the air before gravity took over.
Old 04-17-2009, 05:06 PM
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Originally Posted by Slows2k,Apr 17 2009, 04:45 PM
You removed the drivers airbag = there will be a trouble code stored. It's stored in the separate SRS control unit.

2 stage inflators have a different resistance and wiring than single stange.

Measuring the resistance of a airbag can be asking for trouble, as some meters apply current to a circuit to do this. You'll find out when the bag deploys in your hands.
I hope my little multimeter wasn't applying enough current to deploy the bag, that would seem very extreme since I'm sure it's not a small amount of current in order to deploy it in the first place. (Aside, how could you measure resistance without applying a bit of current? My mind tells me it's impossible...)

Thanks for the info. I'm not really closer to the solution, since I know now there have been AP2's that can bypass the SRS light with a 2 ohm resistor. Must be operator error...
Old 04-17-2009, 07:31 PM
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Originally Posted by urBan_dK,Apr 17 2009, 06:06 PM
I hope my little multimeter wasn't applying enough current to deploy the bag
Did it blow up in your face? Then I guess it wasn't.
Old 04-17-2009, 08:01 PM
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Originally Posted by mikegarrison,Apr 17 2009, 07:31 PM
Did it blow up in your face? Then I guess it wasn't.
No it didn't, but to be accurate how do you know it couldn't have at the current it was producing...maybe I was just lucky?

Anyway, its all irrelevant. I'm safe, and I know how much resistance it has
Old 04-18-2009, 12:27 PM
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Did the resistor that came with your hub come on a plug or is it just the resistor?
Old 04-18-2009, 12:42 PM
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Originally Posted by S2Sick,Apr 18 2009, 12:27 PM
Did the resistor that came with your hub come on a plug or is it just the resistor?
It was a resistor attached to a fuse so it will "blow" like a normal airbag in a crash so the SRS module doesn't get fried.

Doesn't plug in, just a wire. It needs to be soldered into the connector or something.
Old 04-18-2009, 01:21 PM
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The SRS unit would still have to be replaced if you did get in a collision. The impact sensors are built into the SRS unit on 00-05 cars and even without a bag attached the sensor will trip in a impact.
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