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 1 -1998 3.8L Buick LeSabre. 1998 3.8L Oldsmobile Eighty-Eight. 1998 3.8L Pontiac Bonneville](/images/articles-1100-1199/1140/1140/circuit-diagram-1.jpg)
![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 2 -1998 3.8L Buick LeSabre. 1998 3.8L Oldsmobile Eighty-Eight. 1998 3.8L Pontiac Bonneville](/images/articles-1100-1199/1140/1140/circuit-diagram-2.jpg)
![Ignition System Circuit Wiring Diagram PART 3 -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](/images/articles-1100-1199/1140/1140/circuit-diagram-3.jpg)
This simplified ignition system wiring diagram applies to the following vehicles:
- 1998 3.8L Buick LeSabre.
- 1998 3.8L Oldsmobile Eighty-Eight (LS).
- 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:
- Ignition System Wiring Diagram (1995 3.8L Buick, Oldsmobile, Pontiac).
- Ignition System Wiring Diagram (1996-1997 3.8L Buick, Oldsmobile, Pontiac).
You can find the ignition system tests here:
- GM 3.8L Ignition Control Module And Crank (3X, 18X) Sensor Test.
- 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:
Here's a small sample of the tutorials you'll find in the index:
- How To Test The MAF Sensor (GM 3.8L V6 1996-2005).
- How To Test A Does Not Crank Condition -Case Study (GM 3.8L).
- GM 3.8L Ignition Control Module And Crank (3X, 18X) Sensor Test.
- How To Test The Ignition Coil Pack -Misfire Troubleshooting Tests (GM 3.8L).
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