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Airbag issue??

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Old 02-23-2009, 05:02 PM
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Bill Verburg
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Default Airbag issue??

Here's one for the braintrust.

Bad airbag controler(up under the dash)

No, 993 controller availale.

dealer says 996 unit works.

install 993 unit which wants seat swictches, but '95 993 doesn't have seat switches

what to do?? Can these be recoded, jumper the seat terminals??
Old 02-23-2009, 05:34 PM
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jscott82
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Hi Bill,

What happens if you remove the controler alltogether? The reason I ask, I have a 95 that i have removed both airbags... I jumpered over the airbag sensors, but never thought about just removing the controler altogether.... If I can just pull the controler, ill sell it real cheap if you are interested......
Old 02-23-2009, 05:41 PM
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TheOtherEric
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Originally Posted by Bill Verburg
...but '95 993 doesn't have seat switches
...
Are you referring to the seat belt latch switches? 1995 993s do have seat belt latch switches, so I can't understand the problem here.

What is your goal anyway? Do you want the airbags to work?
Old 02-23-2009, 05:52 PM
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Just curious here, are airbag controllers "one use only" devices? I understand you wouldn't want to buy a airbag from a wrecked vehicle but would a controller function a second time?
Old 02-23-2009, 05:57 PM
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Bill Verburg
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Originally Posted by jscott82
Hi Bill,

What happens if you remove the controler alltogether? The reason I ask, I have a 95 that i have removed both airbags... I jumpered over the airbag sensors, but never thought about just removing the controler altogether.... If I can just pull the controler, ill sell it real cheap if you are interested......
If you have a good 993 airbag controller then yes, that is what I need.
Old 02-23-2009, 06:03 PM
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Bill Verburg
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Originally Posted by TheOtherEric
Are you referring to the seat belt latch switches? 1995 993s do have seat belt latch switches, so I can't understand the problem here.

What is your goal anyway? Do you want the airbags to work?
Not according to my wiring diagrams. termianl 12 on the air bag controller is empty on the '95s, 96 do have them.

Also when I look at the seat belts themselves there is no wiring anywhere.


I have been running the non air bag RS steering wheel, but I got a deal on a 3 spoke 996GT3 sport wheel last summer. Just trying to get it all to work, Not sure what i'll keep in the car.

When I hooked the new a/b wheel up my Hammer didn't even recognize that the SRS was installed. I bought a new controller(996 part # supersession to the 993 part#) now it recognizes the system but is throwing error codes for the seat belt switches which are not used on '95s.
Old 02-23-2009, 06:04 PM
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Bill Verburg
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Originally Posted by 993BillW
Just curious here, are airbag controllers "one use only" devices? I understand you wouldn't want to buy a airbag from a wrecked vehicle but would a controller function a second time?
Not as far as I know, I don't know why mine was not functioning
Old 02-23-2009, 10:06 PM
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993's don't have the seat pressure switches.

If the 996 has them, just find out what terminals they use & pin them to the seat belt switch, or just jump them.
Old 02-23-2009, 10:13 PM
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TheOtherEric
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Originally Posted by Bill Verburg
Not according to my wiring diagrams. termianl 12 on the air bag controller is empty on the '95s, 96 do have them.

Also when I look at the seat belts themselves there is no wiring anywhere.
....
Wow, weird. My 1995 (Feb 1994 build) DOES have the seat belt latch wiring. I just went down and visually confirmed it. And yes, when my car is running with the seat belts unlatched, the seat belt warning light is illuminated.

So they used the latch wiring in early 1995, then removed it, then added it back in 1996??? Odd.
Old 02-23-2009, 11:14 PM
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Bill Verburg
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Originally Posted by TheOtherEric
Wow, weird. My 1995 (Feb 1994 build) DOES have the seat belt latch wiring. I just went down and visually confirmed it. And yes, when my car is running with the seat belts unlatched, the seat belt warning light is illuminated.

So they used the latch wiring in early 1995, then removed it, then added it back in 1996??? Odd.
Any chance of taking a pic?
Old 02-24-2009, 12:16 AM
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Originally Posted by TheOtherEric
Wow, weird. My 1995 (Feb 1994 build) DOES have the seat belt latch wiring. I just went down and visually confirmed it. And yes, when my car is running with the seat belts unlatched, the seat belt warning light is illuminated.

So they used the latch wiring in early 1995, then removed it, then added it back in 1996??? Odd.
95s have latch wiring, but not pressure sensors.
Old 02-24-2009, 12:27 AM
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Bill,
Have you given up yet? I will take that airbag off your hands for yeah!!!!
Old 02-24-2009, 12:50 AM
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Originally Posted by Bill Verburg
Any chance of taking a pic?
I could tomorrow. There's a fat cable coming out of the seat belt recepticle, and it's about a foot long, terminating in a 2-pronged connector that connects right there under the seat. I didn't check the passenger side though (i can't remember if there's one there, but probably not).

We're NOT talking about weight sensors here.... just to be clear.
Old 02-24-2009, 02:30 AM
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Bill,

There's a pic of the connector you're looking for here:

https://rennlist.com/forums/showthre...ferrerid=21390

You probably already know this, but the latch sensor not only trips the seatbelt light, but also the airbag light.

Cheers,
Joe
Old 02-24-2009, 08:18 AM
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Bill Verburg
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Originally Posted by jmarch
Bill,

There's a pic of the connector you're looking for here:

https://rennlist.com/forums/showthre...ferrerid=21390

You probably already know this, but the latch sensor not only trips the seatbelt light, but also the airbag light.

Cheers,
Joe
I definitely don't have the 2 pole connector on the power seat harness.

As I said, if you look at the wiring diagram for the '95/2 airbag controller, The seat belt pins are not used. They are for '96 up

I'm very confused


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