Check 6-3, Clutch Circuit Switch

If the clutch pedal is depressed during constant speed travel, the contacts of the clutch switch close, sending a cancel signal to the control unit, cancelling the constant speed travel.

The flow of current is to the ignition switch, fuse No. 11 of the junction block, clutch switch, then the control unit.

Measure voltage at terminal No. 1, clutch switch. With the clutch pedal depressed, voltage should measure 12 volts. With the clutch pedal at rest, voltage should measure 0 volts.