I have a Jeep Grand Cherokee, and recently the air bag light chimes on and off randomly when driving. Also, the horn has stopped working

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have it checed out by a air bag technitcian open squib means no contact in a squib need to be fixed

check the pin switches on your door frame.as will have rust on them try clean them.

possable clock spring if you hear a sound like plastic rubbing when you turn the wheel it's most likly it if not possable worn horn contacts under air bag

it's inside the steering wheel
must be careful, because of the air bag.
disconnect the battery and wait for 10 minutes for the air bag capacitor to discharge power.
remove the air bag module from the steering wheel
remove the center nut, then steering wheel
the clock pring is a yellow round piece that fitted inside the steering column. there is a snap ring hold the clock spring in place. disconnect the wiring then remove the clock spring.

clock spring is bad

I have a 2002 jeep grand cherokee Limited and Had similar problem. Found out that a wire/connection harness had gotten cut under PASSENGER seat.from seats moving back and forth. It's part of the airbag system, it tells airbag system if seatbelt is fastened and if occupant is in seat. Since the wire is broken, it can't report back to air back system and activates the light. try this, hope it helps.

The clockspring behind the steering wheel is possibly defective or unplugged. It is the one and only component that all of your symptoms have in common.

go to the horn under your hood, check it for any thing wrong, then follow the power wire and follow it back to your steering wheal. this is where your problem is you just have to find out where the short is. and fix it.

tepfy

the airbag light coming on is telling you that a problem exists in the airbag system. you need it get it to a dealer or reputable garage and have the system checked. with the airbag system malfunctioning it is possible the airbag wont properly deploy in an accident or may deploy without warning