Buell P3, Service Manual

Page: 372 / 440

2007 Buell P3: Electrical 7-7
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Figure 7-5. No Spark At Spark Plug
Install 6-place Harness Adaptor (HD-42962) and
Breakout Box using Black connectors between
connectors [10A] and [10B].
Measure Voltage between Pin 4 (PK) and Pin 6
(BK).
Is Voltage 12V +/- 1.0VDC?
YES
Replace coil.
NO
+
-
PK
W/BK
W/BK
• Disconnect Ignition Module connector [10] from Breakout Box.
• Ignition On.
• Jumper Wire – Connect Capacitor Wire To Terminal 4 (PK).
*
• Connect Both Wires To Common Ground (6).
• Momentarily touch Ground Wire To Terminal 4 (PK) at Break-
out Box.
Is There A Spark At Plug When You Remove The Wire?
YES
Replace Coil.
NO
5010
5012
+
-
PK
W/BK
Jumper
W/BK
• Reconnect ignition module connector [10] to Breakout Box
• Ignition Switch On.
• Multimeter Red Lead To (W/BK) Wire (Pin 1) Terminal.
• Multimeter Black Lead To BK (Pin 6) On [10B].
• Multimeter Should Register 12VDC ± 1.0 VDC.
[10]
1
2
3
4
5
6
YES
Check Continuity Between Pin 1
W/BK [10B] And Coil W/BK Wire.
Continuity Present?
NO
YES
Repair Open In W/BK Wire
NO
Repair Open Between [10B] Pin 6
(BK) And Ground
5003
5003
Go To Next Page
YES
*
Perform Coil Resistance
Check If Capacitor Is Not
Available
NO
YES
NO
YES
YES
NO
5003
1
1
5065
5051
C B A
[83A]
Coil
1
NOTE
Male connectors are labeled “A”
Female connectors are labeled “B”
Check resistance between terminals A and B on Coil
[83A]. Resistance should be 0.4-0.6 ohms. Is it?
Repair Open on
PK wire
Check resistance between secondary
(plug wire) terminal and C terminal on
coil. Resistance should be between
7720 and 9440 ohms. Is it?
Check Spark Plug cable resis-
tance. Is resistance between
2375 and 5833 ohms?
Repair open.
Ground wire to
coil.
Replace Spark
Plug Cable
NOTE
See Chart on p. 7-16
for pin functions.
Use harness connector adaptor
kit (HD-41404) gray female
probe(s) and patch cord.