Haltech F10 - Manual (Page 24)

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1.3.10. Flying Leads
Locate and connect the following flying leads.
Black (Ground)
Locate a good chassis ground point and connect the black wire.
Red
(Battery Supply +12V) Locate a source of continuous +12 volts and connect the red
wire. Connecting direct to the positive battery terminal is suggested.
Grey
(Ignition Switched +12V) The grey wire is used to control the operation of the Haltech
F10 power relay. It needs to be connected so that it sees 12V only when the ignition
switch is on and during cranking. This wire does not draw a large amount of current (<
0.5A). Do not connect to the accessory outputs of the ignition switch.
Green
(Aux In) The green wire is used as the Aux In channel. This is used if you wish to use
the Aux Input for Torque Converter control, a turbo timer, etc (Refer Chapter 16
PWM Outputs, 72).
Orange
The two orange wires are used to operate the fuel pump. When the Haltech F10 ECU
wants to operate the fuel pump it will close the fuel pump relay connecting the two
orange wires together. The diagrams show two examples of wiring the fuel pump. Do
not add extra relays to the fuel pump circuit.
Example 1: Connecting to the positive side of the fuel pump.
Example 2: Connecting to the negative side of the fuel pump.
Regardless of which example is used both will operate correctly. Note that the orange wires
are connected internally within the loom when the relay is closed. As a result it does not
matter which orange wire is used to connect to the fuel pump.