Component Testing

2008 Pontiac Grand Prix BaseSECTION Component Testing
WARNING: This page is about a different car, the 2007 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION: Refer to SIR Caution .
  1. Ignition OFF, disconnect the harness connector at the right steering wheel control switch.
  2. Test the for less than 2, 400 ohms between the ignition terminal 1 and the signal terminal 2.
    • If greater than the specified range, replace the steering wheel control switch.
  3. Test for infinite resistance between the ignition terminal 1 and the signal terminal 6 with the switch in the open position.
    • If not the specified range, replace the steering wheel control switch.
  4. Test the for less than 2, 400 ohms between the ignition terminal 1 and the signal terminal 6 with the switch in the closed position.
    • If greater than the specified range, replace the right steering wheel control switch.
  5. Disconnect the harness connector at the left steering wheel control switch.
  6. Test for infinite resistance between the signal terminal 1 and the signal terminal 5 with the switch in the open position.
    • If not the specified range, replace the steering wheel control switch.
  7. Test for less than 12, 000 ohms between the signal terminal 1 and the signal terminal 5 with the switch in the closed position.
    • If greater than the specified range, replace the steering wheel control switch.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.