Diodes
Adiodeisusedforstartingcircuitprotectionfromvoltage
spikes that occur when the starter solenoid is de--ener-
gized.
2
If a vehicle is equipped with the optional High Flow Hy-
draulics Kit,anadditional diodeis usedfor circuitprotec-
tionfromvoltagespikesthatoccurwhentheKithydraulic
solenoid is de--energized.
1
3
If a vehicle is equipped with the optional light kit that in-
cludes flashers, two (2) additional diodes are used for
flasher circuit logic.
Figure 23
1.
2.
Diode
3.
Female terminal
Thesediodesplugintothevehiclewiringharnessatvari-
ous locations (see appropriate vehicle electrical sche-
matic and wire harness drawings in Chapter 11 --
Electrical Drawings).
Male terminal
Multimeter
Multimeter
Black Lead (--)
on Terminal
Red Lead (+)
on Terminal
Continuity
Testing
The diodes can be individually tested using a digital
multimeter (diode test or ohms setting) and the table to
the right.
Female
Male
Male
YES
NO
Female
Electrical System
Page 8 -- 18
Workman HD Series
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