Posted by wagonwrench [166.152.26.92] on Monday, December 03, 2012 at 10:06:14 :
In Reply to: o/t 1991 dodge cummins help posted by mannyc [173.77.221.241] on Sunday, December 02, 2012 at 17:27:49 :
Open glove box, unplug black box for a minute or so, plug back in. It happened on my 1990 a while back. That will correct problem!