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California 2.3L Engines Only

  1. Remove timer. Connect jumper wires to timer terminals "A", "B" and "C". Connect jumper wire with 30K ohm resistor to terminal "D". Connect jumper wire with 3.4W lamp to terminal "E". See Fig. 3. 
  2. Connect positive test lead of a voltmeter to terminal "D" and negative test lead to battery negative terminal. Connect jumper wires from timer terminals "A", "D" and "E" to battery positive terminal. DO NOT connect wire from terminal "B" at this time.
  3. Connect wire from terminal "C" to battery negative terminal. Voltmeter reading should now be 6 volts or above. Connect jumper wire from terminal "B" to battery positive terminal. Voltmeter should immediately drop to less than 1 volt and lamp should light.
    Fig 1: Timer Test
    G09315611Courtesy of FORD MOTOR CO.

    Test applies to 2.3L California vehicles only. 

  4. Maintain the connections for about 2 minutes. Voltmeter should read approximately 8 volts. If specifications are not met, replace timer.