NOTE: See vehicle application below:

Ignition System Circuit Wiring Diagram PART 1 -1998 3.8L Buick LeSabre. 1998 3.8L Oldsmobile Eighty-Eight. 1998 3.8L Pontiac Bonneville Ignition System Circuit Wiring Diagram PART 2 -1998 3.8L Buick LeSabre. 1998 3.8L Oldsmobile Eighty-Eight. 1998 3.8L Pontiac Bonneville Ignition System Circuit Wiring Diagram PART 3 -1998 3.8L Buick LeSabre. 1998 3.8L Oldsmobile Eighty-Eight. 1998 3.8L Pontiac Bonneville

This simplified ignition system wiring diagram applies to the following vehicles:

  1. 1998 3.8L Buick LeSabre.
  2. 1998 3.8L Oldsmobile Eighty-Eight (LS).
  3. 1998 3.8L Pontiac Bonneville.

This typical circuit diagram includes the following circuits: ignition coils, crankshaft position (CKP) sensor assembly, camshaft position sensor, and ignition control module.

Here's a list of the 3.8L GM ignition system wiring diagrams you'll find here at easyautodiagnostics.com:

  1. Ignition System Wiring Diagram (1995 3.8L Buick, Oldsmobile, Pontiac).
  2. Ignition System Wiring Diagram (1996-1997 3.8L Buick, Oldsmobile, Pontiac).

You can find the ignition system tests here:

  1. GM 3.8L Ignition Control Module And Crank (3X, 18X) Sensor Test.
  2. How To Test The Ignition Coil Pack -Misfire Troubleshooting Tests (GM 3.8L).

More 3.8L GM V6 Tutorials

You can find a complete list of 3.8L GM V6 tutorials in this index:

  1. GM 3.8L Index Of Articles.

Here's a small sample of the tutorials you'll find in the index:

  1. How To Test The MAF Sensor (GM 3.8L V6 1996-2005).
  2. How To Test A Does Not Crank Condition -Case Study (GM 3.8L).
  3. GM 3.8L Ignition Control Module And Crank (3X, 18X) Sensor Test.
  4. How To Test The Ignition Coil Pack -Misfire Troubleshooting Tests (GM 3.8L).
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