Fusible Link Harness
The Groundsmaster 328–D and Groundsmaster 345
use three (3) fusible links for circuit protection. These
fusible links are located in a harness that connects the
starter B+ terminal to the main wire harness. If any of
these links should fail, current to the protected circuit will
cease. Refer to wire harness drawings in Chapter 6 –
Electrical System for additional fusible link information.
FUSIBLE LINK
FUSIBLE LINK
FUSIBLE LINK
Use a multimeter to make sure that continuity exists be-
tween each terminal pin in connector P1 and connector
J1 at the starter (Fig. 7). If any of the fusible links are
open, replace the complete harness.
Figure 7
Diode Assembly
Two (2) diode assemblies (Fig. 8) are used in the ma-
chine wire harness. Diode D1 is used for circuit protec-
tion from inductive voltage spikes that occur when the
starter motor is shut off. Diode D2 provides logic for the
interlock switches to allow the engine to run when the
traction pedal is in neutral and the PTO switch is off. The
diodes plug directly into the wiring harness.
2
Testing
3
1
The diodes can be individually tested using a digital
multimeter (diode test or ohms setting) and the table be-
low.
Figure 8
3.
1.
2.
Diode
Male terminal
Female terminal
Multimeter
Red Lead (+)
on Terminal
Multimeter
Black Lead (–)
on Terminal
Continuity
Female
Male
Male
YES
NO
Female
Groundsmaster 300 Series
Page 6A – 7
Electrical System (Rev. G)
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(2 votes, average: 5 out of 5)
Lawn and Garden readers have rated Toro 92801SL Rev I Groundsmaster 300 Series Groundsmaster 328 D Service Manual 5.0 out of 5.0 based on 2 product reviews. Need 328D. Manual pdf. Will rate after finding manual
t has been a very reliable machine but getting parts is hard and not cheap to buy , generic parts has been cost effective and reliable , i am unable to get a wiring circut diagram for this unit as most problems are electrical problems