FT500 SFI / FT500LITE SFI
8
4.1 Harness connections - 24 way connector
wire color Pin Function Information
Blue #1 24 Blue output #1
These outputs are usually used for injector control. When needed, they
can be configured as auxiliary outputs.
Blue #2 23 Blue output #2
Blue #3 13 Blue output #3
Blue #6 2 Blue output #6
Blue #7 4 Blue output #7
Blue #8 6 Blue output #8
White #4 9 White input #4 Standard: oil pressure
These inputs can be set up as any
kind of analog or digital sensor.
White #5 7 White input #5 Standard: coolant temperature
White #6 5 White input #6 Standard: fuel pressure
White #7 3 White input #7 Standard: air temperature
White #11 11 White input #11 Standard: TPS signal
Gray #1 18 Gray output #1
These outputs are usually used for ignition control.
When needed, they can be set up as injector outputs or auxiliary
outputs.
By standard, Gray output #8 is used as a tachometer output.
Gray #2 16 Gray output #2
Gray #3 14 Gray output #3
Gray #4 12 Gray output #4
Gray #5 10 Gray output #5
Gray #8 1 Gray output #8
White wire from the
2 core shielded
cable
8
Magnetic RPM sensor
reference
Connected to the negative wire of the magnetic sensor. When OEM
ECU is reading the sensor in parallel, split this wire with OEM sensor
negative - Do not connect when using hall effect sensor.
Red wire from the 2
core shielded cable
17 RPM signal input
Connected to the crank trigger sensor (hall or magnetic) or to the
distributor. To VR sensors, use the shield wire the sensor shield. To Hall
sensor, use the shield as negative
White wire from the
1 core shielded cable
15 Cam sync signal input
Connected to the cam sync sensor (hall or magnetic)
- Use the shield as negative to the sensor
Red 21 12V input from relay Connected to the pin 87 of the Main Relay.
Black 19 Battery negative input
Connected directly to the battery negative with no seams. Do not
connect this wire to the chassis, engine block or head.
Black/White 22 Power ground input
Engine ground (head/block). Connect the three black/white wires
from the harnesses in different points of the engine.
Do not connect it directly to the battery negative.
Green/Red 20 5V output for sensors 5V voltage output for TPS, electronic throttle and pedal sensors
Characteristics
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