PART 1 -Blower Motor Circuit Diagram 1991, 1992, 1993 2.8L V6 Chevrolet S10 Pick Up And GMC S15 Pick Up.
PART 2 -Blower Motor Circuit Diagram 1991, 1992, 1993 2.8L V6 Chevrolet S10 Pick Up And GMC S15 Pick Up.

This typical circuit diagram of the blower motor applies to the 1991, 1992, 1993 2.8L V6 Chevrolet S10 and GMC S15 Pick Ups.

This circuit diagram includes the following circuits: blower motor, blower switch, blower resistor, blower relay.

NOTE: The tutorials to test the blower motor, blower resistor, and blower switch can be found here:

  1. How To Test The Blower Control Switch (2.8L Chevy S10/ GMC S15).
  2. How To Test The Blower Resistor (2.8L Chevy S10/GMC S15).
  3. How To Test The Blower Motor (2.8L Chevy S10/ GMC S15).

More GM 2.8L Tutorials

To see all of the 2.8L S10/S15 specific articles, go to: GM 2.8L Index of Articles.

Here's a sample of the articles you'll find in the Index of Articles:

  1. How To Test The MAP Sensor With A Multimeter (2.8L Chevy S10, GMC S15).
  2. Vacuum Hose Routing Diagram 1988 GM 2.8L S10/S15.
  3. How To Test For A Bad Alternator (2.8L V6 S10/S15).
  4. How To Test Engine Compression (2.8L S10 Pickup/Blazer).
  5. How To Bench Test The Starter Motor.
  6. How To Test The Starter Motor On the Car (Step by Step).
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