INSTALLED: Passenger Airbag Disable Switch - LotusTalk - The Lotus Cars Community
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post #1 of 51 (permalink) Old 12-27-2010, 07:42 AM Thread Starter
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INSTALLED: Passenger Airbag Disable Switch

Had some time to kill yesterday and installed a passenger airbag disable switch. Used a Dremel to cut a hole in the passenger pillar cover (above change cubby) and trimmed with rubber diffuser molding. I was able to access the airbag wire through that opening and by removing the speaker. Was very tight for my large hands - removing the dash top would be an easier way. Tapping the wire is simple considering this is a single stage airbag with only 2 wires (see diagram below). My company actually sells these switches now, see here:

Universal Passenger Airbag Disable Switch - Electronix Online - Computer and Electronic Parts and Supplies

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post #2 of 51 (permalink) Old 12-27-2010, 07:43 AM Thread Starter
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Diagram:

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post #3 of 51 (permalink) Old 12-27-2010, 08:02 AM
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I am sure that its just my paranoia....
But man would I be nervous of the bag going off while installing that. Sort of like the time between setting the mouse trap and setting the trap down.

Thanks for the writeup

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post #4 of 51 (permalink) Old 12-27-2010, 08:06 AM Thread Starter
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I am sure that its just my paranoia....
But man would I be nervous of the bag going off while installing that. Sort of like the time between setting the mouse trap and setting the trap down.

Thanks for the writeup
Of course the first thing you do is disconnect the battery. And for those not comfortable with a DIY job, by all means take the kit to someone who is qualified to install.
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post #5 of 51 (permalink) Old 12-27-2010, 08:08 AM
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sweet! great resource - thanks for the diagram and write up

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post #6 of 51 (permalink) Old 12-27-2010, 09:13 AM
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Dave

don't you have to mail the NHTSA your installation copy and I thought it has to be a qualified/certified installer?.........

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post #7 of 51 (permalink) Old 12-27-2010, 09:32 AM
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What is the benefit of disabling the passenger airbag, are you trying save some weight?

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post #8 of 51 (permalink) Old 12-27-2010, 09:41 AM
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If you disable the passenger airbag, you can safely install a baby seat or take a child in the car with you.
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post #9 of 51 (permalink) Old 12-27-2010, 10:58 AM Thread Starter
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Originally Posted by lt0302 View Post
don't you have to mail the NHTSA your installation copy and I thought it has to be a qualified/certified installer?.........
Hey Andy, assuming if you do a DIY yourself, this (like 90% of the other Lotus aftermarket parts) would have to classified as a track use only modification. I'm not selling a specific Lotus product, just distributing a universal kit that is manufactured by AOI that I tested on my Elise.
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post #10 of 51 (permalink) Old 02-10-2011, 11:23 AM Thread Starter
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For those wanting the airbag switches, I have 7 of them coming in on Tuesday. Price has been lowered as well to $99.95. See link in first post to order.
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post #11 of 51 (permalink) Old 02-17-2011, 05:04 PM Thread Starter
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Switches now back in stock
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post #12 of 51 (permalink) Old 02-17-2011, 07:00 PM
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Just finished reading the NHTSA bulletin on installing the airbag delete switch. Interesting info, and you do in fact need to mail in a form

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post #13 of 51 (permalink) Old 02-19-2011, 06:48 AM
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This is a great idea. I hate most of my passengers. haha.

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post #14 of 51 (permalink) Old 02-27-2011, 03:04 PM
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Bought one, thanks. Will report back about my installation. Thank you Dave.

My local independent shop refused to install an airbag switch for me just last week. And I was ready to pay him $600 for that.
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post #15 of 51 (permalink) Old 02-27-2011, 04:38 PM
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Quote:
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Of course the first thing you do is disconnect the battery. And for those not comfortable with a DIY job, by all means take the kit to someone who is qualified to install.
The SRS (airbag) is activated by capacitors in the airbag control unit so that if the vehicle battery is dissconnected or damaged in an accident the airbag can be activated. Wait at least 10 minutes after the battery is dissconected to allow the capacitors to discharge. Make sure that there is no one by the airbag when the battery is reconnected. The capacitors will recharge after the battery is reconnected.

BTW have you had any fault codes with the airbag off?

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post #16 of 51 (permalink) Old 02-27-2011, 06:51 PM
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Dave,

Do you also have the "remote status light" available?
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post #17 of 51 (permalink) Old 03-01-2011, 10:42 AM Thread Starter
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Originally Posted by ezmoney View Post
The SRS (airbag) is activated by capacitors in the airbag control unit so that if the vehicle battery is dissconnected or damaged in an accident the airbag can be activated. Wait at least 10 minutes after the battery is dissconected to allow the capacitors to discharge. Make sure that there is no one by the airbag when the battery is reconnected. The capacitors will recharge after the battery is reconnected.

BTW have you had any fault codes with the airbag off?
Good points, and no to the airbag light...it satisfies the 2 ohm requirement that the module is monitoring.
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post #18 of 51 (permalink) Old 03-07-2011, 10:57 AM
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Dave, do you also have the "remote status light" available?
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post #19 of 51 (permalink) Old 03-22-2011, 06:15 PM
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Installed today

what a PITA...........there is little room and the yellow wire is way to short........then when I finally got done and happy with the install.........my son drops the keys down the side sill where the cooling lines are...........so good luck trying to get them out..........almost had a nervous breakdown.........quickly packed up everything.........got my guns and went to the indoor shooting range and let some steam off...........!!!!!..........now I need to find new keys!!! .........what a ****ty day!

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post #20 of 51 (permalink) Old 03-26-2011, 08:52 PM
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Does anyone know if it matter which one of the wire you splice? I'm asking because it seems the airbag connector has some sort of coil inside of it and this may make a difference in which wire you splice. See Dave's diagram and my picture below.

Update - I showed Dave's diagram and the below picture to a friend of mine, who's a certified eletronics guys, and he told me it does not matter which wire you splice and Y connect. If I remember correctly, he said the coil was there to provide clean power. As to what exactly what he meant by this is beyond me and I didn't ask further as he gave me the answer I wanted.
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Last edited by Nobuyasu; 04-17-2011 at 07:35 AM. Reason: Updated Information
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