Subaru ff-1/1300/1400/1600/1800/Brat 1970-1984 Repair Guide

Ignition Coil

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TESTING



  1. Run the engine until it reaches operating temperature (coil must be hot) and then turn OFF the vehicle. Pull the high tension lead out of the coil tower.
  2.  
  3. Measure the primary resistance with an ohmmeter by connecting coil plus and minus terminals. Refer to the Troubleshooting Electronic Ignition-1977-82 chart for resistance figures if your car was built in those years. For newer models, resistance should be:

    Except 4WD and turbocharged models, 1.13-1.38-
     
    4WD, 1.04-1.27-
     
    Turbocharged models, 0.837-1.023-
     

  4.  
  5. Measure secondary resistance, connecting the ohmmeter between the coil tower and the plus primary terminal. Refer to the Troubleshooting Electronic Ignition-1977-82 chart for resistance figures if your car was built in those years. For newer models, resistance should be:

    Except 4WD and turbocharged models, 10,795-14,605-
     
    4WD, 7,360-11,040-
     
    Turbocharged models, 8,000-12,000-
     

  6.  
  7. Replace the coil if resistances are incorrect.
  8.  

REMOVAL & INSTALLATION



  1. Disengage the electrical connections.
  2.  
  3. Loosen the coil bracket retaining fasteners.
  4.  
  5. Remove the coil.
  6.  
  7. Installation is the reverse of removal
  8.  



Click image to see an enlarged view

Fig. Fig. 1 Remove the wire from the secondary terminal



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Fig. Fig. 2 Disengage the primary coil electrical connections



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Fig. Fig. 3 Remove the coil from the vehicle

 
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