Toro Groundsmaster 4500-D Series Service Manual page 286

Toro Electronic Controllers (TEC) (continued)
Electrical System: General Information
g321413
1. TEC controller
2. Machine harness connector
The TEC controllers are attached to the machine under the operator seat.
Note: To prevent machine electrical system damage while welding on the
machine, disconnect the battery cables from the batteries, disconnect the wire
harness connectors from both TEC controllers, disconnect the wire harness
connectors from the engine ECU and disconnect the terminal connector from
the alternator. Also, disconnect and remove the engine ECU from the machine
before welding.
Figure 163
3. Socket head screw
Page 6–4 Groundsmaster ® 4500-D/4700-D
19245SL Rev A