Airbag light

[tmoretta]

I like most other 818 builders have deleted the entire air bag system from my car. Anyone know how to turn off the air bag light on the dash?

[Hindsight]

Search nasioc. There is a resistor you can add to the wiring.

[billjr212]

don't even need a resistor. you just need to run 12v power to a specific wire in the instrument cluster. i'll double check which wire. can you confirm what year? mine is a 2004.

[billjr212]

looked at the schematic again. i think you run switched power to the Green/Red wire at PIN B18 on the instrument cluster. I believe I achieved this just by running a jumper from C7 (Red/White) to the green/red wire, but I will double check my notes and the car tonight if nobody else chimes in in the meantime.

[iWire]

looked at the schematic again. i think you run switched power to the Green/Red wire at PIN B18 on the instrument cluster. I believe I achieved this just by running a jumper from C7 (Red/White) to the green/red wire, but I will double check my notes and the car tonight if nobody else chimes in in the meantime.

Yep that will do the trick.

Search nasioc. There is a resistor you can add to the wiring.

The people that have to run resistors are for those that take out an airbag and need the airbag system to still work without it.

[Hindsight]

Ahh good to know. I have a while before I'm there but that makes it easier.

[freds]

06-01-2014, 12:35 PM #8
Jaime Jaime is offline
Senior Member
Join Date
Jan 2014
Posts
566
I finally got around to playing around with it.



"Wiring B18 directly to 12V turns off the airbag light and doesn't fry anything. B18 runs to pin 13 on i2 - the connector on the instrument panel harness with the pins rather than the sockets. I tried various resistors between the pin and 12V and anything 220 ohms or less works - the trigger voltage is around 10 volts. That tells me it's supposed to be wired to 12V."

Yep that will do the trick.


The people that have to run resistors are for those that take out an airbag and need the airbag system to still work without it.

[RM1SepEx]

Yep that will do the trick.


The people that have to run resistors are for those that take out an airbag and need the airbag system to still work without it.

So Brian... if we bought a wire harness from you has this "fix" been implemented? (As he waits for his harness to come back from iWire this FRIDAY!)

[Lumpyguy]

could you not just un solder the LED buld in the cluster? I removed a few bulbs in mine but I have not powered it up yet.

[matteo92065]

This is good easy to follow info. I did this to two 818's today. Lol. As I read this I'm thinking that this would be a great warning light for something else, such high intake air temp. Could also use the seat belt light for something cool.

[tmoretta]

Thanks all. I will try to wire.

[iWire]

So Brian... if we bought a wire harness from you has this "fix" been implemented? (As he waits for his harness to come back from iWire this FRIDAY!)

That it would. ;D

[RM1SepEx]

Tomorrow is scheduled delivery, in CT this AM, almost here!!!!

[tmoretta]

Success! Jumping the Red/Wh. and Green/Red wires did, in fact, turn off the Air Bag light in my '02 gauge cluster. The only difference was that I found the wires coming from the i1 connector not the i2.

[Jaime]

BTW, the ABS computer also can trigger the parking brake light. I had to ground the Sky Blue wire at i1 pin 12 to get it working right. The manual diagrams this very poorly.

[iblackwe]

I am having a hard time identifying the correct wires to jumper together to turn off the Airbag light on my 2003 WRX cluster. Do I jumper the Green/Red Wire on my I11 plug that is connected to the cluster? (one of the Green connectors) or do I have to trace the Green/red wire that is on I11 in slot 18 to somewhere else? I found the green red wire on the I1 white connector, do I just have to jumper that to any red/white wire?

Thanks

[Jaime]

My Green/Red was on i2 and Red/White was on i1, but the 2004 and earlier wiring diagrams have the Red/White on the same connector. Strangely, my set of manuals has both on i2 for the 2004 model year and both on i1 for 2002. My service manual set doesn't even acknowledge that model year 2003 exists.

I wouldn't trust just jumpering to any RW. At least check to make sure you get 12 volts when the ignition is on.

[Chef818]

I am not having success getting my parking brake light to work. The jumper worked to get the air bag warning light off, but no luck with the e brake light. my i1 pin 12 is green / yellow and did not like a ground and did not solve the issue (2003 wagon) There is no sky blue wire. On my schematic the parking brake / brake fluid level warning switch is B19 which is red / white. What also further confuses me is that my schematic has B3 as the ABS control module, but there is no wire / pin on B3? I traced the wire from the e brake (light green) to the gauge pod and the brake fluid connection and all seems right, any body have advice?