User's Manual

14
4.3 Relay wiring
Relay wiring diagram shows how to wire the relay to
control the fuel pump:
4.3.1 Connect the 86 port to the positive pole of the
vehicle power (+12V/+24V), connect the 85 port to
the 4# cable of device.
4.3.2 Cut off the positive pole of the fuel pump, next
serial connect the positive pole to the 87a port of
the relay, and connect another pole to 30 port,
showing as in the figure.
Bottom of the relay Wiring Diagram