GM Corvette 1984-1996 Repair Guide

Ignition Coil

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TESTING



  1. Remove the ignition coil(s).
  2.  
  3. Using an ohmmeter, check the resistance between the primary terminals on the underside of the coil. The resistance should be 0.35-1.45 ohms.
  4.  
  5. Check the resistance between the secondary terminals. It should be 5000-6,500 ohms.
  6.  
  7. If the coil failed either test, replace the coil.
  8.  

REMOVAL & INSTALLATION



  1. Disconnect the negative battery cable.
  2.  
  3. Remove the intake plenum.
  4.  
  5. Tag and disconnect the spark plug wires from the ignition coil.
  6.  
  7. Unfasten the coil retaining bolts, then remove the coil from the module.
  8.  

To install:
  1. Position the coil to the module and secure with the retaining bolts. Tighten the bolts to 40 inch lbs. (4.5 Nm).
  2.  
  3. Attach the spark plug wires to the ignition coil, as tagged during removal.
  4.  
  5. Install the intake plenum.
  6.  
  7. Connect the negative battery cable.
  8.  

 
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