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
Ignition power 2
Ignition power 1
GND
GND
FT450-A-A17 Phase input (cam)
SP-0V · 3 pins
GND
GND
11–12 no data
FT450-A-A11 Ignition 4
FT450-A-A10 Ignition 3
FT450-A-A9 Ignition 2
FT450-A-A8 Ignition 1
17 no data
19 no data
5V ref
22 no data
0V sensor
27 no data
29 no data
FT450-A-A20 White input 1
OEM-A
Stock ECU being replaced
2Ignition power 2
3Ignition power 1
4Power ground 2
5Power ground 1
6Cam position sensor (T2)
7Crank position sensor (T1)
8Logic ground 2
9Logic ground 1
11–12 no data
13Ignition coil 4
14Ignition coil 3
15Ignition coil 2
16Ignition coil 1
17 no data
19 no data
21Sensor voltage 1
22 no data
24Sensor ground 1
27 no data
29 no data
30MAP sensor
1 no data
FT450-A-A2 Injector 2 (Bank A)
FT450-A-A1 Injector 1 (Bank A)
FT450-A-A2 Injector 2 (Bank A)
FT450-A-A1 Injector 1 (Bank A)
RLY1-R-OUT Relay contact output (switched +12 V to load)
7 no data
FT450-A-A24 White input 5 (water temp)
9 no data
12 no data
14 no data
16 no data
FT450-A-A25 White input 6 (fuel pressure)
22–24 no data
OEM-B
Stock ECU being replaced
1 no data
2Injector 4
3Injector 3
4Injector 2
5Injector 1
6VTEC solenoid
7 no data
8Coolant temp sensor
9 no data
12 no data
14 no data
16 no data
17Intake air temp sensor
22–24 no data
2–3 no data
5–6 no data
10–14 no data
16–17 no data
OEM-D
Stock ECU being replaced
2–3 no data
5–6 no data
10–14 no data
16–17 no data
FT450-A-A26 White input 7 (air temp)
2 no data
GND
6 no data
FT450-A-A3 Aux 1
10 no data
FT450-A-A16 CAN A HIGH
FT450-A-A6 Aux 4 (fuel pump / relays)
FT450-A-A23 White input 4 (oil pressure)
23 no data
FT450-A-A15 CAN A LOW
31 no data
OEM-E
Stock ECU being replaced
1Coolant temp sensor 2
2 no data
3Logic ground 3
6 no data
7Main relay control
10 no data
11CAN H
17Fuel pump relay
20Secondary O2 sensor
23 no data
24CAN L
31 no data
FT450
FT450-A
FT450
A1Injector 1 (Bank A)
A2Injector 2 (Bank A)
A3Aux 1
A4Aux 2
A6Aux 4 (fuel pump / relays)
A7Power ground
A8Ignition 1
A9Ignition 2
A10Ignition 3
A11Ignition 4
A12Signal ground
A13+12V switched
A14+5V sensor supply
A15CAN A LOW
A16CAN A HIGH
A17Phase input (cam)
A18RPM reference (crank -)
A20White input 1
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 · 2 pins
Injector 2 (Bank A) · 2 pins
OEM-E-7 Main relay control
RLY1-R-COIL- Relay coil negative (ECU low-side driver)
OEM-E-17 Fuel pump relay
GND
OEM-A-16 Ignition coil 1
OEM-A-15 Ignition coil 2
OEM-A-14 Ignition coil 3
OEM-A-13 Ignition coil 4
0V sensor
+12V switched
5V ref
OEM-E-24 CAN L
OEM-E-11 CAN H
OEM-A-6 Cam position sensor (T2)
SP-0V · 3 pins
OEM-A-30 MAP sensor
TPS-J-SIG Throttle position signal
OEM-E-20 Secondary O2 sensor
OEM-B-8 Coolant temp sensor
OEM-B-17 Intake air temp sensor
OEM-E-1 Coolant temp sensor 2
RLY1
RLY1-R
RLY1
INRelay contact input (switched +12 V)
OUTRelay contact output (switched +12 V to load)
COIL+Relay coil positive (switched +12 V)
COIL-Relay coil negative (ECU low-side driver)
SP-14V · 3 pins
OEM-B-6 VTEC solenoid
Relay coil positive (switched +12 V)
FT450-A-A4 Aux 2
TPS
TPS-J
TPS
GNDSensor ground
SIGThrottle position signal
VCC5V supply in
0V sensor
FT450-A-A22 White input 3 (TPS)
5V supply in
SP-5V1 · 5 pins
SP-GND · 7 pins
SP-14V · 6 pins
SP-0V · 6 pins
SP-5V · 5 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.
41 / 41 connections
Columns ▾
Lengths need a layout. Add bundles in Layout.
Not set yet: signal, colour, stripe, ident.
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