Check to see if you have any brake lights, or at least to see if the 'stop' fuse is blown. Without the brake signal, CC goes a little wonky too.

Inspect your vacuum lines.

The troubleshooting section for the CC in the FSM is pretty extensive, even for the older trucks.

http://www.walkablecommunities.org/

Democracy is two wolves and a lamb voting on what to have for dinner. Liberty is a well-armed lamb contesting the vote.

**ubi apis- ibi salus**