ECOTRONS DLE120 - Install the Fuel Injector and Connect the Connector; Connect the Harness to 12 V Battery

UAV engine EFI installation manual-DLE120-V1.4
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1.9 Install the fuel injector and connect the
connector
1.10 Connect the harness to 12v battery
Note: the red is to the positive of battery; the black is to the negative of battery.
There is one manual switch on the power wire; you can use this switch to power
on EFI, or power off.