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The engine coolant temperature (ECT) sensor is lo-
cated on the bottom of the intake manifold, which is lo-
cated on the left side of the engine. It has a connector
with green/white and gray/white wires (Fig. 52).
Figure 52
The universal electronic spark control is located in-
side the black center shroud in the upper left corner (Fig.
53).
Figure 53
The variable reluctance sensor (VRS) is located on
the front right end of the engine block behind the fly
wheel and front engine plate. It has a connector with
green and white wires (Fig. 54).
Figure 54
Electrical
System
Groundsmaster 3000/3000–D
Page 6 – 29
Electrical System