i have a 93 dodge cummins 1 gen 5 speed truck runs great and all but i was going down the highway today and everything was fine put on my cruise and after about a min of driving the motor went back to idea and i started to slow right down so i pulled over and checked everything and all was good. so i start to go down the highway again and about 5 mins later the same thing happen so i stopped using cruise and havent had a problem any ideas what it could be ?

 

???

 

Josh I have a cruise problem also, I will be will update you if I find out more. Just started to investigate my problem of not engaging. I will be watching to see if anyone responding to your post as well.

 

ok sweet sounds good

 

I had similar problem driving mine back from fl last month when I bought if from guy. Would work then wouldn't work. Figured out last week it was vacuum leak. good luck