Air bag light blinks 1 then 3

LFORTU

MEMBER
1996 LINCOLN MARK VIII
70,000 MILES

I was wondering if you can help. My lincoln flashes 1 then 3. This occured after a small fresh water flood [irene], water only went as high as the rocker panels. I know it is a short to ground but where to look. I own a mechanical/ body shop as I have 30yrs experience. My question is truly what could be shorted to ground? Clockspring, safer sensor, front airbag sensors, or the module itself. Any help would be greatly appreciated. Lou

2 Replies

DAN_K

MECHANIC
213 POSTS

I believe the safing sensor is located in the air-bag module itself on that car. I also believe that the module is located behind the right front kick-panel (passenger's side). If it got flooded, it may be the module itself.

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Wednesday, October 26th, 2011 AT 9:43 PM

SEVEREDHEADS

MEMBER
2 POSTS

The air bag diagnostic monitor is to the right of the glove box behind the dash. It monitors and compares pins 11, GY/O, and 12, P/W with charging system voltage. If system voltage is >9 and voltage on on pin 11 or 12 is <2, the ABDM internal fuse will blow. The short to ground could be a wire, an airbag, clockspring or another component in the restraint system. After the short is repaired, you will need to replace the ABDM. Do not use a logic probe or test light to check the circuits. Depower the system before any testing. I recommend you take it to a Ford or Lincoln dealer.

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Thursday, November 3rd, 2011 AT 5:04 AM