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Old 12-19-2004, 09:17 PM   #1
96 Flat Four
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Default Airbag Light

Does anyone know the proper resistor to use to fool the airbag system in a 96 OBS? I recently disconnected the passenger side airbag in my car and would like the airbag warning light to go off. I tried a 1/4 watt, 3.3 ohm resistor, but it did not work. Any ideas?
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Old 12-19-2004, 09:22 PM   #2
chaddeus
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Did you remove the seatbelts also? If yes, there is a yellow connector that you must use the resistor for it.

- Charles
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Old 12-19-2004, 09:27 PM   #3
96 Flat Four
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I have not touched the seatbelts.
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Old 12-20-2004, 01:41 AM   #4
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One question would be whether the resistor is connected to the correct pins because there should be more than a pair. Extra pins are used to verify that the latch is locked, which by itself might be a problem. Maybe someone who did it can tell what was involved. The simplest way seems to cut the plug off from the airbag module and connect the resistor to the two wires.
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Old 12-20-2004, 06:07 AM   #5
96 Flat Four
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There are 3 pins, but one of them has no complement on the female half of the plug. Accordingly, I connected the resistor to the 2 pins that appear to be used.
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Old 12-20-2004, 10:28 AM   #6
chaddeus
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I basically insert the two ends of the resistor into the plastic clip and tape it and its ok!

- Charles
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Old 12-20-2004, 11:28 AM   #7
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You're talking about apples and oranges here. He is NOT removing a side/seat airbag, but the one in the dash above the glovebox, and in a 96. The info for the seat airbags does not apply here.
Unfortunately there isn't much of a knowledge base on this as I've never seen it discussed previously in these forums. You might try the forums where people discuss removing stuff for competition, maybe you'll get lucky there.
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Old 12-20-2004, 01:07 PM   #8
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OK, I looked at the wiring diagram. It does not show pinouts for airbag connectors, maybe to discourage people from poking around with meters. But it does show that with the latch closed, the third pin is shorted to one of the other two, namely the one connected to the ground. Ground is not a precise term here because the control module has some circuitry (constant current drive) on the ground side. Still, if you check the voltages relative to the ground (with a-bag disconnected), one pin will read zero or very low. The other will read positive: that's the constant signal used to monitor the inflator and wiring.
There's also an OE airbag test resistor with a proper plug, p/n 98299PA040, but it seems to be discontinued.
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Old 12-20-2004, 02:19 PM   #9
chaddeus
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opps.. sorry

- Charles
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Old 12-20-2004, 02:54 PM   #10
96 Flat Four
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AVK: Once again you come through with the info. You sorted out my variable intermittent wiper swich quandry some months ago too. After I replied to your first post this morning about the extra pin I started to think that closing the connector probably caused that third pin to do something, but what I did not know. I will try this again with a 3.3 ohm resistor and "grounding" the third pin and let your know.

Thanks a bunch. I guess we OLD OLD SKOOL SCOOBY OWNERS SHOULD STICK TOGETHER
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Old 12-21-2004, 12:20 AM   #11
avk
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I hope that info will help eventually, but just to let you know, now I'm not certain whether the slider lock closes or opens the circuit between the two pins, because the schematics shows those switches in "barely closed/barely open" positions. I think the circuit actually has to be open because such switches are used on several connectors and they are all wired in parallel. If so, you may fix the problem by keeping the latch somehow in the "closed" position, or by pulling the third pin out altogether and taping it up.
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Old 12-21-2004, 06:14 AM   #12
96 Flat Four
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Thanks for the tip. That would explain why shorting the third pin to either one of the other two did not work. I will keep you posted.
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Old 12-21-2004, 07:37 AM   #13
96 Flat Four
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AVK:

GOT IT!!! After reading your post this morning about the third pin possibly needing to be open I tried it. Before I left for work I plugged my 3.3 ohm resistor into the 2 primary pins and then held the green button on the connector in the closed position while I started the car. After a few seconds the airbag light went off. You are the man!!
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