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Discussion Starter #1
Guys,
who knows ABS codes for 1991-1993 deville/sixty special ?
And what pins on ALDL connector should be used ? I have 1990 fleetwood manual, but the connector seems to be different as well as the ABS system itself.
Is testing procedure somehow different too ?

Any help is greatly appreciated.
 

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Discussion Starter #2
May somebody even has a clue, here is the whole story:
I turn the key on, the ABS light goes on, then off. Then, after a second or two I hear a click under the hood and it goes ON again and stays that way. The ABS doesn't kick in. It was working fine, until I decided to check it three times in a raw on the slippery road. It worked twice, then ABS light went on and never went off.

What the heck is that
 

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A bad wheel speed sensor is a common cause. It is integral to the hub and bearing assembly. Pull the plug at each wheel and check the continuity at each hub (not the connector that plugs into it). If one has no continuity, then that sensor is bad and the hub & bearing assembly need to be replaced.
 
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