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Where to find 92 Astro AWD ABS unit?
My ABS warning light came on some 8-9 years ago and I took the car to the dealer. They changed the ABS control module and charged me some 3000 USD for it.
All went fine for the next years until last year (2009) the ABS light came on again. This time I did not jump into ordering a new ABS module abut I took the car to the dealer for fault code reading. The computer said something about a "grounding problem" (sorry I don't have the code) but they were able to reset the fault. They said that with good luck the problem is fixed but if the light comes on again, a new module is needed.
Now, the warning light stayed away for about 7 months until it appeared again.
I took the car again to an American car speacialist who was able to reset the fault code but this time the fix was good for only 5 days and now the warning light is on again. I would need to take the car to mandatory yearly inspection and with ABS warning light on it will not pass.
The US car specialist was somewhat reluctant looking for a replacement unit as he thought it would be a shot in the dark. According to him the problem could be also connections or cables or...
Anyway, during last weekend I removed the ABS module (and had to grind off four of the seven hole-Torx bolts as they were stuck). I checked the connectors,m sprayed them with dielectric spray and I will take the car ABS fault resetting again next Friday and I hope the light stays off for two hours as I have my inspection in the afternoon. (In the worst case I can eliminate the warning light by disconnecting one of the ABS module connectors and hope that the inspector does not notice the missing warning light...)
To my questions:
1) Is there a simple way to reset the alarm light yourself or does it have to be done with a dealer "computer". (Battery removal does not help as I had it off for two days due to my electrical connections "cleanup".)
2) Where could I find a new (or rebuilt) ABS module for my Astro AWD. The present unit is a Kelsey Hayes (remanufactured for GM)
Thanks in advance