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Old 09-18-2010, 12:09 AM   #1
snowflowmfg
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Default The 3.3 ohm resistor fix is no longer working. :(

Hey guys. I have an aftermarket seat in my car and i've been using two 1 ohm and a 1.5 resistor (equivalent to 3.5 ohms 1/4w) in line to fool the airbag light for many months now with great success, but I accidentally broke one of the resistors while moving it.

I replaced them with new sets of 3 resistors since I couldn't find a 3.3 exactly in any store. So the problem is that the airbag light won't turn off anymore. What happens is that it goes away for a couple seconds then turns right back on again. I have no idea what the problem is. I've tried several different resistances like 3.2, 3.4, 3.6 etc and it always turns off then back on again. I've checked the fuses as well and don't have a multimeter to check resistance of everything.

Does anyone have any idea what the problem could be? and how I can fix this? I'm going to try to order some 3.3 ohm exact resistors to see if that will fix the issue.

TIA
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Old 09-18-2010, 12:15 AM   #2
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it could be a problem somewhere else in the system. its checks more then just your seats. you need to scan the code and start from there
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Old 09-18-2010, 12:18 AM   #3
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personally, those resistors never worked on my car.. works for my steering wheel one, but not the seat

mine somewhat worked briefly intermittently.. at startup, the light was on for about 10secs then the light would go away for the rest of the drive.. that only happened randomly for a couple weeks and simply stopped working.. now, i just drive without the resistor at all
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Old 09-18-2010, 03:38 AM   #4
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Quote:
Originally Posted by cowboy_Rob View Post
it could be a problem somewhere else in the system. its checks more then just your seats. you need to scan the code and start from there
Does the seatbelt light have a code? Could this sort of code be pulled with my accessport?

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Originally Posted by subaru3169 View Post
personally, those resistors never worked on my car.. works for my steering wheel one, but not the seat

mine somewhat worked briefly intermittently.. at startup, the light was on for about 10secs then the light would go away for the rest of the drive.. that only happened randomly for a couple weeks and simply stopped working.. now, i just drive without the resistor at all
That's exactly the problem i'm having now. It used to work fine, but now it only stays off for a few seconds.
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Old 09-18-2010, 04:33 AM   #5
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yaa i got so fed up that i mailed all of my remaining resistors to a guy up in tracy

or perhaps my car's haunted idk
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Old 09-19-2010, 03:46 PM   #6
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there was a post here, not too long ago, by someone who said that they worked in designing airbag systems...and going by his post---it seemed that he did.....this guy said that 3.3ohm was a bit much and the actual value is usually less....dont remember the exact number but...

it seems that the '3.3 ohm' value may be another 'myth' that has perpetuated
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Old 09-21-2010, 02:06 AM   #7
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Originally Posted by Uncle Scotty View Post
there was a post here, not too long ago, by someone who said that they worked in designing airbag systems...and going by his post---it seemed that he did.....this guy said that 3.3ohm was a bit much and the actual value is usually less....dont remember the exact number but...

it seems that the '3.3 ohm' value may be another 'myth' that has perpetuated
Thanks for the heads up scotty. I tried a 2.4ohm combo as well and it had the same effect as the "3.3" combo. Of course the problem i'm having is that the light turns off then immediately turns back on. So the car did recognize the lesser than 3 ohm value as enough to trick it.
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Old 09-21-2010, 03:33 AM   #8
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I'm not familiar with the circuit the resistors are being used in but I can't believe that the resistances being mentioned here can really make a difference. They are so low that even wire connections would be significant. I have never seen anything in a car system that sensitive.
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Old 09-23-2010, 08:09 PM   #9
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bump, any ideas?
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Old 09-23-2010, 08:13 PM   #10
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bump, any ideas?
wonder if something in the airbag/srs 'puter fried!?!??!?!?!?!
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Old 09-27-2010, 08:01 PM   #11
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wonder if something in the airbag/srs 'puter fried!?!??!?!?!?!
I sure hope I don't find that out the hard way!
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Old 10-05-2010, 10:45 PM   #12
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Alright, I have to ask. All these resistors that you're using to add up to 3.3ohms; are you connecting them in series or parallel? If they're in series they add resistances, but if they're in parallel they're doing the opposite.

Sorry if you've already checked this, but it would be an easy fix.
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Old 10-15-2010, 12:47 AM   #13
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Alright, I have to ask. All these resistors that you're using to add up to 3.3ohms; are you connecting them in series or parallel? If they're in series they add resistances, but if they're in parallel they're doing the opposite.

Sorry if you've already checked this, but it would be an easy fix.
They're in a series. Like I said, i'm doing the same thing that worked before...except its no longer working.

Still no luck.
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Old 10-18-2010, 11:39 PM   #14
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bump...
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Old 10-19-2010, 01:58 AM   #15
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damn where did you get the resistors, ive been staring at an airbag light for over a year
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Old 10-19-2010, 02:14 AM   #16
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damn where did you get the resistors, ive been staring at an airbag light for over a year
You can try fry's, or an audio shop. I personally went with a 2.5 ohm and a 1 ohm in a series. It worked for like 6 months.

You can also order from ebay. You get like 200 for $5 or so. (if you buy those, you should send me one.
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Old 10-19-2010, 02:36 AM   #17
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try using 3x 10 ohm resistors in parallel, they add up to exactly 3.33
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Old 10-24-2010, 12:15 AM   #18
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Pull the airbag code and go from there... search, the method to do so is out thdere.
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Old 10-24-2010, 12:35 AM   #19
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Pull the airbag code and go from there... search, the method to do so is out thdere.
Will the airbag light have a code? Can my AP v2 pull it?
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Old 10-24-2010, 12:44 AM   #20
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Alright, so out of the blue, I plugged in my clock (I removed it for some gauges) and now the airbag light goes off. So on my 07 wrx, pulling the clock trips the airbag light. Now, the issue is how can I continue to run my clock pod and keep the airbag light off?
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Old 10-24-2010, 01:22 AM   #21
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Well my multimeter is broken, I was going to try to trick the plug with some resistors, but I just took the clock assembly apart and took the plug itself and just put it in and taped it away under the gauge pod. Everything works now.

So for all 06+ wrx owners....you will throw an airbag light if you unplug the clock!
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Old 10-24-2010, 07:12 AM   #22
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Would have helped if you had mentioned earlier that you removed the clock pod. In an '06-up you can't unplug it because of the passenger airbag system, removing the pod will cause a permanent airbag light. The way around it is to leave the pod plugged in, and stuff it behind the dash someplace.
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Old 10-24-2010, 01:27 PM   #23
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Would have helped if you had mentioned earlier that you removed the clock pod. In an '06-up you can't unplug it because of the passenger airbag system, removing the pod will cause a permanent airbag light. The way around it is to leave the pod plugged in, and stuff it behind the dash someplace.
I didn't even think of any remote relation to it. I actually even forget I ever pulled the clock.

And yes, I did that and work like a charm now.
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Old 10-26-2010, 03:05 AM   #24
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Quote:
Originally Posted by Mulder View Post
Would have helped if you had mentioned earlier that you removed the clock pod. In an '06-up you can't unplug it because of the passenger airbag system, removing the pod will cause a permanent airbag light. The way around it is to leave the pod plugged in, and stuff it behind the dash someplace.
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Originally Posted by snowflowmfg View Post
I didn't even think of any remote relation to it. I actually even forget I ever pulled the clock.

And yes, I did that and work like a charm now.
ding

ding

and
****ing

DING



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