Service Manual

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