Not confident with automotive wiring? Have a professional harness builder or tuner do it, or check your work before first power-up. A wiring mistake can damage the ECU, the engine or the car, or start a fire.
100%
Stock ECU being replaced
5 no data
7–8 no data
11 no data
14 no data
FT450-A-A6 Aux 4 (fuel pump / relays)
FT450-A-A3 Aux 1
FT450-A-A4 Aux 2
FT450-A-A5 Aux 3
22 no data
FT450-A-A22 White input 3 (TPS)
31 no data
OEM-A
Stock ECU being replaced
5 no data
7–8 no data
11 no data
14 no data
15Fuel pump relay (USDM)
16Fuel pump relay (JDM)
17A/C clutch relay
20Radiator fan relay
22 no data
23Secondary O2 sensor
31 no data
Power source 1 (main relay)
GND
FT450-A-A2 Injector 2 (Bank A)
FT450-A-A1 Injector 1 (Bank A)
FT450-A-A2 Injector 2 (Bank A)
6–8 no data
Power source 2 (main relay)
GND
FT450-A-A1 Injector 1 (Bank A)
13–19 no data
GND
GND
24–25 no data
OEM-B
Stock ECU being replaced
1Power source 1 (main relay)
2Power ground 1
3Injector 2
4Injector 3
5Injector 4
6–8 no data
9Power source 2 (main relay)
10Power ground 2
11Injector 1
13–19 no data
20Ground
22Ground
24–25 no data
FT450-A-A8 Ignition 1
6 no data
0V sensor
FT450-A-A9 Ignition 2
FT450-A-A10 Ignition 3
FT450-A-A11 Ignition 4
FT450-A-A23 White input 4 (oil pressure)
FT450-A-A25 White input 6 (fuel pressure)
FT450-A-A20 White input 1
0V sensor
5V ref
FT450-A-A17 Phase input (cam)
FT450-A-A12 Signal ground (via SP-0V)
23 no data
FT450-A-A26 White input 7 (air temp)
FT450-A-A24 White input 5 (water temp)
FT450-A-A21 White input 2
5V ref
0V sensor
0V sensor
OEM-C
Stock ECU being replaced
4Ignition coil 1
6 no data
7Sensor ground 1
12Ignition coil 2
13Ignition coil 3
14Ignition coil 4
15Secondary O2 sensor
16Primary O2 sensor
17MAP sensor
18Sensor ground 2
19Sensor 5V supply 1 (MAP)
20Cam (TDC1) sensor +
21Cam (TDC1) sensor −
23 no data
25Intake air temp sensor
26Coolant temp sensor
27Throttle position sensor
28Sensor 5V supply 2
30Cam (TDC2) sensor −
31Timing ground
1–16 no data
OEM-D
Stock ECU being replaced
1–16 no data
FT450
FT450-A
FT450
A1Injector 1 (Bank A)
A2Injector 2 (Bank A)
A3Aux 1
A4Aux 2
A5Aux 3
A6Aux 4 (fuel pump / relays)
A7Power ground
A8Ignition 1
A9Ignition 2
A10Ignition 3
A11Ignition 4
A12Signal ground
A13+12V switched
A14+5V sensor supply
A17Phase input (cam)
A20White input 1
A21White input 2
A22White input 3 (TPS)
A23White input 4 (oil pressure)
A24White input 5 (water temp)
A25White input 6 (fuel pressure)
A26White input 7 (air temp)
Injector 1 (Bank A) · 2 pins
Injector 2 (Bank A) · 2 pins
OEM-A-16 Fuel pump relay (JDM)
OEM-A-17 A/C clutch relay
OEM-A-20 Radiator fan relay
OEM-A-15 Fuel pump relay (USDM)
GND
OEM-C-4 Ignition coil 1
OEM-C-12 Ignition coil 2
OEM-C-13 Ignition coil 3
OEM-C-14 Ignition coil 4
0V sensor
+12V switched
5V ref
OEM-C-20 Cam (TDC1) sensor +
OEM-C-17 MAP sensor
OEM-C-27 Throttle position sensor
OEM-A-23 Secondary O2 sensor
OEM-C-15 Secondary O2 sensor
OEM-C-26 Coolant temp sensor
OEM-C-16 Primary O2 sensor
OEM-C-25 Intake air temp sensor
SP-14V · 4 pins
SP-GND · 6 pins
SP-5V1 · 4 pins
SP-0V · 7 pins
Press enter or space to select a node. You can then use the arrow keys to move the node around. Press delete to remove it and escape to cancel.
Press enter or space to select an edge. You can then press delete to remove it or escape to cancel.
37 / 37 connections
Columns ▾
Lengths need a layout. Add bundles in Layout.
Not set yet: signal, colour, stripe, ident.
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