2017.06.19 FwdMan2.8.17.docx 11-97
11.4.4 Hyd. Unit Connections
The A, B, C and D (plus perhaps optional AL and BL) solenoids of the hyd. valves, the M coil of
the motor starting relay are all connected to the Compact15 Front Panel. Each of the 5 solenoids
is shunted by a diode for transient suppression on switch-off.
11.4.5 Trailer Powering
The positive terminal of the 12V trailer buffer battery is connected to the motor starting relay via
a 150A fuse and to the TRAILER POWER CABLE via an 80A fuse, both placed in a heavy fuse
box. The negative terminal of the battery supply is connected to a common GND point on the
FWD/HWD frame.
For powering of all other circuits than the motor, separate wires are connected directly from the
battery supply to the bottom of the Compact 15 System Controller.
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