Checking Speed Control On/Off Switch

Tests 1 - 3:

Tests 4 - 8:

SYMPTOM
CHECKING SPEED CONTROL ON/OFF SWITCH

POSSIBLE CAUSES
- S/C ON/OFF switch
- S/C ON/OFF/SET switch
- S/C RESUME/ACCEL switch
- Clockspring
- Signal circuit shorted to ground
- Signal circuit shorted to voltage
- Powertrain Control Module
- Signal circuit open or high resistance