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Home >> Hummer >> 2008 >> H3 Base, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 336 (Cruise Control System) >> Diagnostic Information and Procedures >> Cruise Control Malfunction >> Component Testing

Component Testing

WARNING: This page is about a different car, the 2009 GMC Canyon and 2009 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the X204 steering column harness connector.
  2. Ignition ON, cruise control switch ON, measure the resistance between terminals A8 and B8 on the cruise control switch side of the connector. Individually activate and hold each cruise control function switch and compare the resistance reading to the values in the table for the appropriate switch.
    • If any resistance measurements for any of the switches are not within the listed resistance values, replace the turn signal/malfunction switch.
Function Switch Minimum Resistance Value Maximum Resistance Value
OFF O.L. O.L.
ON 7.8k Ohms 8.6k Ohms
Set/Coast 1.2k Ohms 1.3k Ohms
Resume/Accel. 2.7k Ohms 3.0k Ohms
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