Diagnostic Aids
CRUISE CONTROL - Circuit Diagram1. Electronic cruise control unit.
2. Vacuum pump.
3. Brake switch/vent valve.
4. Stop lamps.
5. Brake switch.
6. Steering wheel set and reset switches.
7. Ignition supply to stop lamp circuit.
8. Cruise control switch - auxiliary switch panel.
9. Fuse A6.auxiliary fuse panel (7.5A).
10. 12V+ supply to speed transducer.
11. Speed transducer.
12. Ignition load relay - item 1 main circuit diagram.
13. Battery feed.
14. Cruise control harness multi-plug pin identification.
15. Ignition switch - item 8 main circuit diagram
--- denotes existing main cable circuit.
Cable Color Code - The last letter of a color code denotes the tracer.
W = White
Y = Yellow
G = Green
P = Purple
U = Blue
B = Black
R = Red
S = Grey
N = Brown
EARLY MODELS - Wiring Identification
Image shows the current cruise control wiring condition and color coding from the steering wheel switches to the cassette plug, earlier models were color coded differently and can be identified as follows:
Latest Condition
Red/white
Blue/white
Grey/yellow
Early Condition
Green/red
Green/black
Red/blue