Pontiac Fiero 1984-1988 Repair Guide

Ignition Coil

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TESTING





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Fig. Fig. 1 Testing the remote ignition coil using an ohmmeter-older model vehicles



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Fig. Fig. 2 Testing the remote ignition coil using an ohmmeter-newer model vehicles

  1. Disconnect the negative (-) battery cable.
  2.  
  3. Disconnect the high tension coil wire and input and output connectors from the coil. Refer to the Testing Remote Ignition Coil illustration in this section.
  4.  
  5. Check the coil with an ohmmeter for opens and grounds as follows.
  6.  
    1. Using the ohms X 1,000, connect one lead to the coil housing and the other to the input terminal. The reading should be very high (infinite), if not replace the coil.
    2.  
    3. Using the ohms X 1, connect one lead to the coil input terminal and the other to the output terminal. The reading should be very low or zero, if not replace the coil.
    4.  
    5. Using the ohms X 1,000, connect one lead to the coil output terminal and the other to the high tension coil wire terminal. The reading should NOT be infinite, if it is replace the coil.
    6.  


REMOVAL & INSTALLATION





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Fig. Fig. 3 Unfasten the coil-to-bracket retaining bolts ...



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Fig. Fig. 4 ... then remove the coil from the vehicle

  1. Disconnect the negative (-) battery cable.
  2.  
  3. Remove the high tension coil wire and input and output connectors.
  4.  
  5. Remove the coil-to-body attaching bolts. Remove the coil from the vehicle.
  6.  

To install:

  1. Position the coil to the mounting area and install the attaching bolts. Torque the bolts to 6 ft. lbs. (8.1 Nm).
  2.  
  3. Apply a small amount of Dielectric Compound to the high tension coil tower and install the coil wire and input and output connectors.
  4.  

 
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