Buell 2005 P3, Service Manual, Page: 419 / 426

2005 Buell P3: Electrical 7-67
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Speedometer Test: Chart 2B
INOPERATIVE, INACCURATE OR ERRATIC SPEEDOMETER
Figure 7-90. Speedometer Test Chart 2B
Continued from Speedometer Test: Chart 2A .
Check for 6-12 VDC on R wire in speedometer
sensor connector [65B]. Voltage present?
YES
Check for continuity to ground
on BK wire in connector [65B].
Continuity present?
NO
Check for open/
grounded wires.
Wires OK?
YES
Replace
speedometer.
NO
Repair
wires.
YES
Check for voltage on W wire
in connector [65B]. While
connected, meter should read
6-12 VDC when gear tooth
absent and 0-1 VDC when gear
tooth present. Does it?
NO
Check for open
wires. Wires OK?
YES
Replace
speedometer.
NO
Repair
wires.
YES
Check speedometer power
(O/W wire) and ground terminal
(BK wire) voltage at back
of speedometer. Test voltage
while shaking harness.
Does voltage fluctuate?
NO
6-12 VDC is
not present.
Replace
speedometer.
NO
6-12 VDC is present,
but no fluctuation
to 0-1 VDC.
Replace
speedometer sensor.
YES
Repair as
necessary.
NO
Check for spark plug wire terminal properly
seated onto spark plug and secondary coil
terminal. Check for wear points on spark
plug wire where insulation may be
damaged. Does damage exist?
YES
Repair as
necessary.
NO
Check speedometer speed
sensor. Clean or replace sen-
sor as required. Retest.
Problem solved?
YES
System OK.
6022 6013
6022 6013
6013
6010
6008
6016
6029 6024
7
d01, d02
d05, d06
d08
8
8
NO
Replace speedometer.