Speed Control Does Not Disengage When Brakes Are Applied

1. Apply brake pedal and ensure brake lights work. If found satisfactory, proceed to step 2. If not found satisfactory, check stop lamp circuit.
2. Check to ensure proper operation of actuator lever and throttle linkage. If found satisfactory, proceed to step 3. If not found satisfactory, service or replace actuator lever and throttle linkage.
3. Perform tests on amplifier. If found satisfactory, proceed to step 4. If not found satisfactory, replace amplifier.
4. Examine all connectors to ensure proper contacts.