The ABS light has been on in my truck since the day we met. About 1000 miles later it's still on and I dont worry about it. I dont believe any vehicle can stop "too well." I drive big trucks with and without abs all the time so, your mileage may vary. I have been going 60 MPH down my dirt road and locked em up to see what she was capable of and nothing out of the ordinary in my opinion. I dont mind all four rears locking up. At least the brakes work, thats better than the alternative. Just ease off the pedal, wheels start turning and she never got out of control. Like it has been said here before " some 20 year old private not paying attention going to fast will have problems without ABS"
-FLASH-
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1991 BMY 923A2 5 ton 8.3L cummins
1971 Duece BoBBed with backhoe tires-just sold
I just bought a new Haldex diagnostic unit on eBay. At this particular instant, the seller has another new one like the one I bought, and a few used ones in various conditions. I don't know how common these boxes are, but maybe now's the time for M939-series ABS-equipped truck owners to grab them up?
The links above to the manual didn't work for me because they appear to be on a secured site that requires a valid certificate for access. I Googled up the instruction manual here, though:
My M923's ABS light doesn't indicate any faults, but I decided to get the diagnostic box out of curiosity and a desire to be prepared if and when I have any ABS problems in the future.
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If you think that money can't buy love, try buying a cheeseburger for a dog!