NOTE: See vehicle application below:

Blower Motor Circuit Wiring Diagram PART 1 -1996, 1997, 1998, 1999 3.8L Buick LeSabre, Park Avenue. 1996, 1997, 1998, 1999 3.8L Oldsmobile Eighty-Eight, Ninety-Eight. Pontiac Bonneville Blower Motor Circuit Wiring Diagram PART 1 -1996, 1997, 1998, 1999 3.8L Buick LeSabre, Park Avenue. 1996, 1997, 1998, 1999 3.8L Oldsmobile Eighty-Eight, Ninety-Eight. Pontiac Bonneville

This simplified blower motor circuit wiring diagram applies to the following vehicles with automatic A/C controls:

  1. 1996, 1997, 1998, 1999 3.8L Buick LeSabre.
  2. 1996 3.8L Buick Park Avenue.
  3. 1996, 1997, 1998 3.8L Oldsmobile Eighty-Eight (LS).
  4. 1996, 1997, 1998, 1999 3.8L Oldsmobile LSS.
  5. 1996 3.8L Oldsmobile Ninety-Eight.
  6. 1996, 1997, 1998, 1999 3.8L Pontiac Bonneville.

The following tutorials will help you test the blower control module and the blower fan motor:

  1. How To Test The Blower Control Module (GM 3.8L) (at: troubleshootmyvehicle.com).
  2. How To Test The A/C-Heater Blower Motor (GM 3.8L) (at: troubleshootmyvehicle.com).

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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