2002 Buell S3T: Electrical 7-23
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Total Current Draw Test
If battery runs down during use, the current draw of the
motorcycle components and accessories may exceed output
of the charging system.
1. See Figure 7-22. To check for this condition, place load
tester induction pickup or current probe pickup over bat-
tery negative cable.
2. Disconnect stator wiring from voltage regulator wiring at
the connector [46] near the oil pump. Start the motorcy-
cle and run the engine at 2000 RPM.
3. With ignition and all continuously running lights and
accessories turned on (headlamp on high beam), read
the total current draw.
4. Compare this reading to the reading obtained after per-
forming the CURRENT AND VOLTAGE OUTPUT TEST.
a. The current output should exceed current draw by
3.5 amps minimum.
b. If output does not meet speciļ¬cations, there may be
too many accessories for the charging system to
handle.
5. Reconnect regulator after testing.
Figure 7-21. Milliampere Draw Test
Figure 7-22. Check Current Draw (Ignition Switch On)
b0325x7x
12 VDC
Battery
Ignition turned
to OFF
Battery Negative
Cable
3 milliamperes
maximum
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