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With Analog VOM

  1. Ensure ignition is off. Locate test connector which is under left hand side of dash. Using a jumper wire, connect Green/Black to Black wire on test connector. Using an analog voltmeter, connect positive voltmeter lead to Green/Red wire connector at test connector. Connect negative lead to ground.
  2. Turn ignition on. Observe VOM needle. Trouble codes are represented as pulsations or sweeps of needle. Trouble codes will be repeated after all codes have been displayed once. Record trouble codes. Clear codes. See CLEARING TROUBLE CODES  . Repeat procedure.
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