TROUBLESHOOTING AND ELECTRICAL SYSTEM: 800 AND 810 GAS
Test Procedures
2007-2008 XRT 800, 810 and 850 Maintenance and Service Manual
Page 11-19
11
4. With the multimeter set to the diode test function (
ç
), connect the black (–) probe of the multimeter to
the white lead of the diode and the red (+) probe of the multimeter to the red lead of the diode
(Figure 11-18, Page 11-20)
. The reading should indicate an overload (no continuity). A diode is
designed to conduct current in one direction only. If a diode conducts current (shows continuity) with the
meter probes as described, the diode has failed and must be replaced.
See Diode Removal,
Section 13, Page 13-12.
5. Reverse the multimeter probes and note the reading. With the black (–) probe of the multimeter to the
red lead of the diode and the red (+) probe of the multimeter to the white lead, the meter should read
approximately 450 mV, however, a range of 400-500 mV is acceptable
(Figure 11-19, Page 11-20)
.
6. Connect either the black (–) or red (+) lead of the multimeter to the diode body (case). Connect the other
multimeter lead to both the red and white lead terminals of the diode. The multimeter should indicate an
overload, (no continuity). If continuity reading does occur, it indicates that one or both of the diode leads
are grounded to the diode body (case) and the diode must be replaced.
See Diode Removal,
Section 13, Page 13-12.
7. If the diode tests good, reconnect the diode leads.
See Diode Installation, Section 13, Page 13-12.
See also following WARNING.
ý
WARNING
• Incorrect wiring could result in severe injury or death.
• Diode and solenoid connections must have correct polarity.
• Keep all persons clear of engine belts when making final connections.
Figure 11-17 Electrical Control Box and Diode Orientation
OUTER
I-BEAM
5
7
6
WHITE FROM
DIODE
RED FROM
BATTERY
RED FROM
DIODE
RED FROM
VOLTAGE
REGULATOR
RED FROM
FUSE BLOCK
Some wires
omitted
for clarity.
WHITE FROM
STARTER/
GENERATOR
2
1
3
VIEWED FROM INSIDE
DRIVER SIDE FRAME
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