This typical circuit diagram of the blower motor and blower resistor circuit applies to the 1995, 1996, and 1997 Ford Ranger and Mazda B2300.
You can find the blower motor test here: Testing The Blower Motor (1995-1997 2.3L Ford Ranger).
The blower resistor test tutorial can be found here: Testing The Blower Resistor (1995-1997 2.3L Ford Ranger).
More 2.3L Ford Tutorials
You can find a complete list of tutorials here: Ford 2.3L Index Of Articles.
Here's a sample of the tutorials you'll find there:
- 1992-1994 2.3L Ford Ranger Fuel Injector Wiring Diagram.
- How To Test The Throttle Position Sensor (2.3L Ranger, Mustang, B2300).
- How To Test The Ignition Module And Crank Sensor (2.3L Ranger, Mustang, B2300).
- How To Test For A Blown Head Gasket (2.3L Ranger, Mustang, B2300).
- How To Test The Fuel Injectors (1990-1997 2.3L Ford) (at: troubleshootmyvehicle.com).
If this info saved the day, buy me a beer!