ELECTRICAL
8.14
Ignition Switch Testing (Non-Electric Start)
1. Set the multitester dial to the ohms (:) position.
Connect one of the tester leads to either of the switch
terminals and the other tester lead to the other switch
terminal.
2. With the switch off, the reading should be less than .4
ohms. With the switch on, the reading must be an open
circuit (OL).
3. Check the resistance between each of the switch
terminals and the switch body. With the switch still in the
on position, there must be an open circuit (OL) reading.
Readings other than those listed indicate a defective
switch.
Ignition Switch Testing (Electric Start Models)
NOTE: Refer to the appropriate model and year wiring
diagram for ignition switch wire colors and connections.
1. Disconnect wires. Set the multitester dial to the ohms
(:) position.
2. With the key in the off position, check the resistance
between the G (Ground, brown) terminal and the M
(Mag, black) terminal. This reading must be less than .4
ohms.
3. Turn the key to the on position. The multitester should
now read an open circuit (OL).
4. Move the tester lead from the G terminal to the switch
housing and re-check the reading. It should also be an
open circuit (OL).
5. Place one of the tester leads on the B (Battery, red)
terminal and the other tester lead on the S (Starter, blue)
terminal. With the key in the on position, there must be
an open circuit (OL) reading.
6. Turn the key to the start position. The reading should be
less than .4 ohms. Readings other than the ones listed
indicate a defective switch.
Blk
Brn
Off
On
Ignition Switch
D
D
Brn
Blk
R
R/W
Off On Start
D
D
D
D
Ignition Switch - Electric Start
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