Toro Groundsmaster 5900 Series Service Manual page 266

Toro Electronic Controllers (TEC) (continued)
Electrical System: General Information
Before performing any welding on the machine, turn the
battery−disconnect switch to the OFF position, disconnect the
wire harness connectors from both Toro Electronic Controllers,
disconnect the wire harness connectors from the engine controller
and disconnect the terminal connector from the alternator to prevent
damage to the machine electrical system.
IMPORTANT
Page 6–4 Groundsmaster ® 5900 & 5910
16227SL Rev B