Jeep Repair: air bag light, jeep wrangler, dielectric grease


Question
I have a "98" jeep wrangler with the 4.0 engine.  my airbag light and a few of my gauges went out a little while back so i replaced the harness that my cluster plugs into and nothing seemed to fit it. so now i pulled my airbag breakers. now i have my gauges back but i dont have airbags. I think the airbags are draining or something of that nature. what do you think. although i am going to keep it like this for know my gauges are far more inportant than the airbags. thanks for your time.
lucas
U.S.N.

Answer
Well, it almost sounds like you've already done what I'm about to tell you but there is a service bulletin out there for intermittant operation of instrument cluster gauges as well as illumination of the airbag light with no stored fault codes in the airbag module.  

This service bulletin calls for the replacement of both connectors going to the MIC.  Also, it calls for inspection and cleaning of the male terminals of oxidation.  It's important that the oxidation be removed as well and dielectric grease to the female terminals sparingly.

Are you telling me that you've already done this?  Is there a chance that you didn't clean the oxidation off?  If you've done this and still have a problem then I would reinstall the airbag breakers/fuses and have the memory reset (airbag systems write failure codes to the module and cannot be cleared by a battery disconnect).  Once you reset the airbag module I would wait for the light to come back on and see if it's in deed a true airbag related failure.  

If you have fault codes stored in the airbag module then you're PROBABLY facing two problems at which point you can decide which one is more important to you.  It really sounds like the wiring problem all over again but you've got to find out for sure on your end.
Doug
USAFE Brat