ELECTRICAL
4262930-Rev A 4-47
4
Engine On/Off Switch
See Figures 4-24 and 4-25.
1. Park the mower safely. (See “Park Mower Safely” on
page 1-5.)
Figure 4-24
NOTE
Label all wires before disconnecting to ensure correct
installation.
2. Disconnect engine on/off switch wire (1).
3. Remove the blower housing from the engine. (Refer
to engine manual.)
Figure 4-25
4. Connect test leads between engine on/off switch wire
(2) and grounding tab (3).
5. Move engine on/off switch to the on position and
measure resistance.
Is the resistance value 0.02 ohm or less?
YES The switch is faulty; replace the switch.
NO Proceed to step 6.
6. Move engine on/off switch to the off position and
measure resistance.
Is the resistance value 0.02 ohm or less?
YES The switch is good.
NO The switch is faulty; replace the switch.
Required Tools or Equipment
Digital Multimeter, Ohmmeter, or Continuity Tester
TN0139
1
3
TN0138
2
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