TVS Diode Testing
TITAN® Max Service Manual
3442-428 Rev A
g336413
If the main fuse blows each time the PTO clutch is engaged, check the TVS
diode.
1. Disconnect the TVS diode from the harness.
2. Connect each lead of the meter to each terminal of the TVS diode.
3. If the TVS diode is internally shorted, replace the TVS diode.
4. If the TVS diode is not internally shorted, check the wiring and the clutch.
Figure 128
Page 8–17
Electrical System: Service and Repairs