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Old 02-06-2001, 04:11 PM
steve hutson
Posts: n/a
I removed the passenger side kick panel while doing some carpet detailing and I notced a rectangular box with its corresponding 12 pin plug lying loose on th floor.
The dealer told me that this is the Voltage Transformer for the SRS, the purpose of which is to maintain power to the SRS system should there be a temporary power loss to the car. I don't know how or why it became unplugged, but I'm a little hesitant to just plug it in without a little knowledge about how it works. At $350.00 for a new one I'm sure it serves an important purpose. The SRS light on the instrument cluster works as it should, and I know that the airbag is plugged in at the steering wheel.
Can this transformer be tested? Will the airbag deploy with this unit unplugged? I ran a search but didn't see anything on the subject. wonder how many other cars are out there with this box unplugged.
As always, any help on this subject will be appreciated...
incidentally, this site has saved me big$$$ on repairs, and
continues to be the best source of good MB info on the net.
Thanks to all.

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Old 02-06-2001, 04:14 PM
steve hutson
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PS my car is actually a 1987300tdt(dyslexia)!
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Old 02-06-2001, 08:51 PM
Registered User
Join Date: Mar 1999
Location: Suwanee, GA, USA
Posts: 4,712
The worst it can do is set a code. It will not deploy the bag.

If it sets a code, it should be able to be cleared.
Donnie Drummonds
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Old 02-07-2001, 11:55 PM
Join Date: Jan 2000
Location: Indpls.,IN. USA
Posts: 84
It sounds to me more like the factory alarm. the SRS unit doesn't have that many pins. All SRS wiring has red plastic connectors on the harness connectors, but not on the voltage transformer. Good Luck!
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