TM 9-2320-209-34-2-3 FRAME 2 1. Heat thermostat (1) to between 75°F and 80°F. 2. Using ohmmeter, check continuity through thermostat (1) by placing one lead on terminal (2) and other lead on terminal (3). IF CIRCUIT IS OPEN, GO TO FRAME 3. IF CIRCUIT IS CLOSED, THROW PART AWAY AND GET NEW ONE. END OF TASK 21-80