Buell 2002 P3 Service Manual page 359

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Diodes
The relay block contains two diodes. A diode acts as a one
way switch which permits current flow in one direction, but not
in the other.
The reference numbers below correlate with the circled num-
bers in the 7.11 STARTER/IGNITION INTERLOCK
charts.
1. Check diode with an ohmmeter as shown in
2. Check diode polarity as shown in
3. Replace diodes as necessary.
7-32 2002 Buell P3: Electrical
flow
Figure 7-39.
Figure 7-40.
a0235x7x
Continuity
Figure 7-39. Ohmmeter Diode Test
a0236x7x
TN
Diode 1 polarity
TN/GN
Diode 2 polarity
Figure 7-40. Diode Polarity
Infinite
ohms
TN/W
TN/Y
TN/Y