Ranger 4WD V6-3.0L VIN U (1997)
Brake Switch - TCC: Testing and Inspection
The brake signal input to the GEM is required to shift in and out of 4WD/Low. To verify the signal, gain access to generic electronic module (GEM).
Remove GEM Connector C3. Measure voltage at C3-13 harness side. With brake pedal depressed, voltage should be battery voltage.
