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Old 11-30-2011, 03:38 PM   #18
tamarsha
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Join Date: Jul 2008
Location: Conway, SC
Posts: 109
Quote:
Originally Posted by BrokenLinkage View Post
My kids are all old enough to be forward facing now, and based on another thread on this site, I don't consider it beneficial to turn off the airbag anymore. But... if I wanted to, couldn't I just splice a labeled switch to short between the 2 wires under the passenger seat that the deactivation bar plugs into? In other words, does the forward buckle on the porsche child seats simply short across these wires when the buckle is inserted, or does it show the computer a certain specific resistance value that my switch would have to provide? Of course, the computer would still have to be programmed to recognize the signal. This would then have the advantage of allowing the use of any brand of car seat.
Sound very logical. Unfortunately I am not sure it will work. When I bolted the deactivation bar into place, I hooked it up all before I took it to the dealer to code it in the computer. With it hooked up and no buckle in place (normal airbag on mode) the airbag light was flashing when I turned the car on. It was almost saying that something is hooked up and it isn't supposed to be. I didn't ohm out the plug or see if maybe it is a normally closed switch. I guess it is possible but I wouldn't bet on it.

OK... I couldn't help myself. I just ran into the garage with a multimeter. Unbuckled, airbag on, it read 2.25k ohms. Buckled, airbag off, it read 255 ohms. So there you go.
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