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Old 08-23-2009   #1 (permalink)
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Default Air Bag Light is Blinking

Hey guys and dolls,

My friend noticed today that my airbag light blinks all of the time when we are driving. I can't actually see the light cause I am too short (lmfao) but now I check every once in a while and it is on all of the time. Does this mean that my airbag doesn't work?

What should I start checking first to figure out what's going wrong? I really need this to be fixed before Monday when I go to get it safetied!

Thanks for your help,

Steve
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Old 08-23-2009   #2 (permalink)
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Mine does it too. Do you have cruise control? Neither my cruise or airbags work and the light keeps blinking. I have a short or a bad steering wheel. Maybe yours is the same. Instead of fixing the problem someone put a button on my dash on the left bottom of the steering wheel. I hate it cause I have to find the horn all the time.
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Old 08-23-2009   #3 (permalink)
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When the light is blinking, the air bag module is putting out a code. The blinks will come then a pause, then repeat. The number of blinks between pauses is your code. When you lose horn, cruise and have a airbag light, is is usually the clockspring.
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Old 08-23-2009   #4 (permalink)
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Quote:
Originally Posted by derklug View Post
When the light is blinking, the air bag module is putting out a code. The blinks will come then a pause, then repeat. The number of blinks between pauses is your code. When you lose horn, cruise and have a airbag light, is is usually the clockspring.
WTF is a clockspring?
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Old 08-23-2009   #5 (permalink)
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My horn works, my cruise control doesn't work , and I am not sure if the air bag light is always on or not but every time I look at it, it is blinking... But I will watch for a "code". I'll post back with the number of times it blinks then breaks, if it does do that
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Old 08-23-2009   #6 (permalink)
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A clock spring is the wiring harness that allows the stearing wheel to turn and still provide an electrical circuit to the air bag. It is a big spring looking device that is why its called a clock spring. It looks like a clocks big main spring likr you sometimes see in a cartoon when a clock breaks and the big spring pops out of the clock. Goto a shop and have the air bag system checked for codes. Their are a ton of things that can cause the light to flash.
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Old 08-23-2009   #7 (permalink)
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go to Mustang FAQ - Engine Tech, Air Bag, ABS, Brake Home Page This lists all the air bag cobes. I dont think you can shoot a trouble code by the blinks of the light. I never did because i have a MOTIS. I dont think the lamp blinks the codes but i could be wrong. never tried it. WARNING air bags should be left to the professionals to trouble shoot. At the minimum get a ford manual on the subject.
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Old 08-23-2009   #8 (permalink)
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Quote:
Originally Posted by TOM RENZO View Post
go to Mustang FAQ - Engine Tech, Air Bag, ABS, Brake Home Page This lists all the air bag cobes. I dont think you can shoot a trouble code by the blinks of the light. I never did because i have a MOTIS. I dont think the lamp blinks the codes but i could be wrong. never tried it. WARNING air bags should be left to the professionals to trouble shoot. At the minimum get a ford manual on the subject.
Ditto that, blowing your head off tends to make you no fun at parties.
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Old 08-23-2009   #9 (permalink)
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Read the Airbag tech stuff in the link Tom posted. There's some very enlightening info there regarding aibags (among other things).

The two most common problems with the airbag systems in Fox Mustangs are broken clock springs, and failed control modules.
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Old 08-23-2009   #10 (permalink)
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So I just found out that the light was giving me a "code" by blinking 6 times and then taking a very brief break and then started again. So maybe someone knows what that means?

Steve
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Old 08-23-2009   #11 (permalink)
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If I read that site properly it said this: "A Diagnostic Trouble Code 6 indicates that high resistance in the driver side air bag circuit has been, and still is, present." AND "Driver Side Air Bag Circuit- High Resistance or Open"

What does this mean exactly? It said something about changing the 10 amp fuse, but I am not exactly sure... There is soooo much information there it is almost hard to follow, lol.
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Old 08-23-2009   #12 (permalink)
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From the front page of the 90-91 airbag tech article:

Error code 6 is the most common air bag problem. Chances are it's a bad clock spring. Very easy to replace. Get a NEW one from Ford. They are not that expensive (less than $50?). Do NOT waste your time or money getting a used one from the junk yard that may break soon. The clock spring connects the turning steering wheel to your stationary steering column. So, over time, they have a tendency to break.
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Old 08-23-2009   #13 (permalink)
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Chandler is correct the clock spring does go bad a lot. Just remember the system can be very dangerous so read all you can about it. I have a confession to make. Every time i work on an air bag i am always scared out of my mind. Please be careful and always disco the battery and let the system discharge. They can blow your mind LITTERLY
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Old 08-24-2009   #14 (permalink)
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+1 Disco the battery, go have grab a sandwich, catch up on AFM, and then come back to do the work.
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Old 08-24-2009   #15 (permalink)
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It looks like both fuse 12 and fuse 18 control the air bag system (at least in my 91) so I would verify that those are not blown first.

If those check out, I'd definitely be leaning towards the clockspring being the issue. The most important thing when dealing with air bags is ensuring the system is completly powered down. As a rule of thumb I like to let the system sit for at least 15 minutes after disconnecting the negative battery cable. This ensures that the capacitor(s) in the backup power supply have fully discharged, minimizing the risk of an "unintended deployment". Also, always make sure the air bag is stored face up when removed from the vehicle or carrying it.

A couple of other tips, is to make sure that the steering wheel is centered and locked when removing the clockspring assembly. Other then that, it's a pretty straight forward procedure. Remove four nuts on the back side of the steering wheel to remove the airbag, remove the nut retaining the steering wheel (According to Alldata, it appears this is a torque to yield fastener so it should be replaced with a new one), remove the steering wheel with a steering wheel puller, disconnect the connections to the clockspring and remove the clockspring. Then just put everything back together in reverse order.

Hope this helps!

Pat
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