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Component Testing

WARNING: This page is about a different car, the 2006 Chevrolet Monte Carlo and 2006 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.
  1. With the key out of ignition and with the key in ACC, measure for infinite resistance between the battery positive voltage and the off/run/crank voltage terminals of the ignition switch. Repeat the same measurement between the ignition key resistor signal and the off/run/crank voltage terminals of the ignition switch.
    • If less than infinite ohms, replace the ignition switch.
  2. With the key in ignition, in OFF position, measure for less than 1 ohm between the battery positive voltage and the off/run/crank voltage terminals at the ignition switch.
    • If over 1 ohm, replace the ignition switch.
  3. With the key in the RUN position, measure for less than 1 ohm between the ignition key resistor signal and the off/run/crank voltage terminals at the ignition switch.
    • If over 1 ohm, replace the ignition switch.
  4. With the key in the START position, measure for 1170-1430 ohms between the ignition key resistor signal and the ignition off/run/crank terminals at the ignition switch.
    • If out of range, replace the ignition switch.
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