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Reelmaster 3550−D Page 5 − 5 Electrical System
Terminal Protector
Aerosol spray that should be used on battery terminals,
ring terminals, and fork terminals to reduce corrosion
problems. Apply battery terminal protector to the con-
nection after the battery cable, ring terminal, or fork ter-
minal has been secured.
Toro Part Number: 107−0392
Figure 4
Diagnostic Display
The Diagnostic Display (Fig. 5) can be connected to the
wiring harness connector located under the control pan-
el to verify correct electrical functions of the machine.
Toro Electronic Controllers (TEC) inputs and outputs
can be checked using the Diagnostic Display.
Toro Part Number for Diagnostic Display: 85−4750
Toro Part Number for Overlay (English): 121−7886
IMPORTANT: The Diagnostic Display must not be
left connected to the machine. It is not designed to
withstand the environment of the machine’s every
day use. When use of Diagnostic Display is com-
pleted, disconnect it from the machine and recon-
nect loop−back connector to harness connector.
Machine will not operate without loop−back con-
nector installed on harness. Store Diagnostic Dis-
play in a dry, secure, indoor location and not on
machine.
Figure 5
Figure 6
TEC
OVERLAY
Electrical
System