GM Lumina/Grand Prix/Cutlass Supreme/Regal 1988-1996

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 0.50-0.90 ohms.
  4.  
  5. Check the resistance between the secondary terminals. It should be 5000-10,000 ohms.
  6.  
  7. If the coil failed either test, replace the coil.
  8.  

REMOVAL and INSTALLATION

See Figure 1

  1. Disconnect the negative battery cable.
  2.  
  3. Tag and disconnect the spark plug wires.
  4.  
  5. Unfasten the 2 retaining screws securing the coil to the ignition module, then remove the remove the coil assembly.
  6.  



Click image to see an enlarged view

Fig. Fig. 1: The ignition coils are secured to the ICM with two retaining screws

To install:
  1. Position the coil assembly to the ignition module. -5 Nm).
  2.  
  3. Attach the spark plug wires as tagged during removal.
  4.  
  5. Connect the negative battery cable.
  6.  

 
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