Even a Hayne's manual nowadays includes most vacuum diagrams for emissions control items. They vary, however, from engine to engine and are different for Federal or California emissions systems.
In the Related Links section are the diagrams you are looking for.
Not until '77
1. perform diagnosis 2. repair
The 1998 VW cruise control wiring diagram can be obtained from most VW dealerships. The wiring diagram can be found at many auto-parts stores.
Diagrams help a person make the appropriate changes to a car. The 1994 Nissan Pathfinder cruise control diagram can be found in its maintenance manual book.
look in a chiltons book.....tuner1978
cruise control installations in Audi a3 2001
Cruise control is an accessory.
There should be a fuse box under the steering column with a diagram printed on the cover.
Any recommendations about answering this question? Anyone with the diagram?