Buell 2005 P3 Service Manual page 384

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Ignition Fuse
See Figure 7-39. The ignition fuse is in the fuse block under
the seat. Always replace the fuse with another 7.5 ampere
fuse.
a0234x7x
TN/Y
TN/W
TN
[61]
Figure 7-39. Fuse Block
Diodes
The fuse 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.
a0235x7x
Continuity
Figure 7-40. Ohmmeter Diode Test
1. Check diode with an ohmmeter as shown in
7-32 2005 Buell P3: Electrical
O
R2
TN/Y
TN/GR
R/BK
flow
Infinite
ohms
Figure 7-40.
a0236x7x
TN
Diode 1 polarity
TN/GN
Diode 2 polarity
Figure 7-41. Diode Polarity
2. Check diode polarity as shown in
3. Replace diodes as necessary.
TN/W
TN/Y
TN/Y
Figure 7-41.