1988 Chevy cruise control problem
October 25th, 2015, 11:12 AM
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1988 Chevy cruise control problem
I have a 1988 C2500 with a 5.7 TBI. If you set the cruise at 55 it will drop down to 45 before it kicks in and it won't stop at 55 on the way back up. It just keeps going all the way up to 75. If you hit the decel it will cut out and come back down to 45 where it engages again and back up to 75 we go. Have vacuum. Thinking the cruise control module is bad? Any ideas?
