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Ford ES — If a six volt battery is not available, a 12 volt auto-

For the Ford ES.

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Procedure

  1. 3. After starting engine, touch positive (+) battery
  2. 1. Disconnect all leads from-assembly to be tested.
  3. 2. Connect one test lead to F1+ stud and connect
  4. 3. Connect one lead to F2- stud and connect other
  5. 4. Reverse ohmmeter leads from steps 2 and 3 and
  6. 5. All the resistance readings should be high in one
  7. 6. Replace defective rectifier assembly with new,

Specs & torque values

  • motive battery can be used by adding a 20-ohm
  • resistor in series
  • or a 24 volt automotive battery
  • just long enough until voltagestarts to build up or

Source: manual:0900-0335_Service Manual Ford Engine Detector I1_198207.pdf. Figures and steps are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.