positive power (+12V). The fine yellow line is connected to the device relay
control line.
Cut off the positive connection line of the pump; then connect in series to the
relay N.C. contact (thick green line 87a) and the other end to relay COM
contact (thick green line 30).
Note: The standard relay is 12V and only suits the 12V car battery. Please
choose 24V relay if it is 24V car battery.
4.4 Device wiring diagram
Please choose 12V or 24V relay according the voltage of the car battery.
5. Cautions of device wiring
5.1 Power/ACC/Tele-cutoff (petrol/electricity) control line (4