SC- 1st Gen (1992-2000)

Steering Wheel Clock spring

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Old 03-11-22, 12:15 AM
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ninetwo
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Default Steering Wheel Clock spring

So I have a 95 with an airbag light and horn doesnt work missing the yellow clockspring (pictured without clockspring)
I have a 92 I plan on swapping to a wheel without airbag, all factory parts intact currently though
I also have a 97 parts car, all factory steering wheel parts intact

I want to get the horn working and airbag functional / light off on the 95. Could I get the clock spring to work from the 97 and will it power the airbag? If not will the 92s work?

From what I understand its a pain but I'd really like to get the 95 back to factory condition.
Thanks for any and all help


Last edited by ninetwo; 03-11-22 at 03:55 AM.
Old 03-11-22, 08:02 AM
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t2d2
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The airbags were interchangeable from '92-98, so I think it would work. To be safe, I would look for a part # on one of the donor clocksprings and see if you can find a year range corresponding to it.
Old 03-11-22, 12:28 PM
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ninetwo
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Originally Posted by t2d2
The airbags were interchangeable from '92-98, so I think it would work. To be safe, I would look for a part # on one of the donor clocksprings and see if you can find a year range corresponding to it.
Hey thanks you got me on the right path, I see on another thread "Airbag resistor ohm anyone?" you posted a few years ago that a 1/4 watt 2 ohm resistor should solve the airbag light and another member confirmed it worked for them. The 92 clock spring works with the 95, I cut and spliced it in. Now to defeat the airbag light from ever coming on in the 92, I can solder that resistor in on the blue and yellow wire and it should fool the airbag ECU? thanks t2d2

Old 03-11-22, 12:55 PM
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LeX2K
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Disabling the airbag is extremely stupid don't do it. But if you're going to do it why bother tricking the SRS computer just remove the light from the cluster. The system is compromised either way.
Old 03-11-22, 01:11 PM
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ninetwo
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Originally Posted by LeX2K
Disabling the airbag is extremely stupid don't do it. But if you're going to do it why bother tricking the SRS computer just remove the light from the cluster. The system is compromised either way.
First, thanks for the safety concern I know the risks though, I've been in an accident where an airbag probably saved my life.

Going with a different steering wheel and shorthub, not possible to keep it in the 92 with my setup. I'm trying to replace the airbag in the 95 and going back to stock where someone did exactly what I'm doing to the 92.

I'd rather not play with the cluster, feel like I'd be asking for trouble, it seems a lot simpler / easier to reverse by just wiring in that resistor to the pictured wires, if it works that is.

At the end of the day its just a light, its not gonna keep me up at night but if I dont have to see it and it only takes a few extra minutes of time, why not knock it out.
Old 03-11-22, 02:14 PM
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It seems like soldering the resistor straight to the wires should work. I prefer more reversible steps -- cramming/taping the resistor's legs into the connector's terminals -- but since you've already clipped the connector, your suggestion is probably simpler.

I'm personally not a big fan of airbags. I've had those bombs go off in my face, and I've had one that shouldn't have gone off shatter the windshield. With all the recalls, I have a low confidence in them functioning properly and/or safely.
Old 03-12-22, 06:57 PM
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The clock spring should not have changed throughout the model run I'm fairly certain. Clock Spring P/N 84306-24010 applies to 1992-1998 models and I believe it also applies to 1999-2000 models as well. It is an SC300/400 specific part so there is no other model to cross-reference it with. The 1991-2000 Soarer Z30 RHD clockspring is different as are the 1993-1998 LHD Supra and 1993-2002 RHD Supra clock springs.

The airbag light only becomes a problem if part of the airbag system or the instrument cluster are not connected correctly when the car's ignition is turned on. Only then is the "wire dance" procedure required to get it turned off.

Many people run aftermarket steering wheels (like the popular Nardi examples). I'll only say that after having been injured in a car accident once in a car that had no airbag steering wheel I'm of the mind that it is better to have one that is functioning than not even if it's a 1st generation airbag system (and a quality Toyota 1st generation airbag system at that).

That being said if you're setting your SC up as a track car then I can see removing all the airbag hardware and the ECU. If this *might* be something you or a next owner may ever wish to revert back to normal function I'd leave all that hardware in place even if you install a non-airbag steering wheel.
Old 03-13-22, 08:14 AM
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Originally Posted by KahnBB6
The clock spring should not have changed throughout the model run I'm fairly certain. Clock Spring P/N 84306-24010 applies to 1992-1998 models and I believe it also applies to 1999-2000 models as well.
'99-00 got a different airbag connector, so I assumed the clockspring changed, as well. It was still single-stage, though, so maybe the clockspring itself didn't change.
Old 03-14-22, 12:18 AM
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Originally Posted by t2d2
'99-00 got a different airbag connector, so I assumed the clockspring changed, as well. It was still single-stage, though, so maybe the clockspring itself didn't change.
I don't think the clockspring really changed. Maybe there was an additional clockspring part number for 99-00.
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