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The 10a meter fuse supplies voltage to the illumination of the cruise control switch, when switch is toggled to the on position. If the fuse is good, and the cruise control work, I suspect you have a faulty switch.
Here is a wiring diagram of the system.
Please let me know if you have any additional questions.
If the cruise control light illuminates with switch on, then that fuse is good.
Next step is to make sure the brake light switch is working. Hit the brake pedal and verify the brake lights come in.
If the brake lights work, the next test is to check the clutch pedal switch. Remove the switch and test with a ohm meter to verify open circuit and close circuit with plunger depressed.
The barke switch and clutch switch are the most common faults.
If that that test ok, check all connections to the cruise control servo and verify cable is attached to the throttle body.
If all check ok, let me know and I will give you some advanced diagnosis steps to determine the cause of your concern.
Here is a diagnosis procedure to retrieve fault codes from you cruise control module. This fault code will help determine the system that is causing your concern.
Please let me know if you have any additional questions. ThanksDrew