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
G4XXTREMEX-B-B9 Knock 1
Ignition power 2
Ignition power 1
GND
GND
G4XXTREMEX-A-A9 Trigger 2
G4XXTREMEX-A-A8 Trigger 1
GND
GND
G4XXTREMEX-B-B4 Injector 5
11–12 no data
G4XXTREMEX-A-A10 Ignition 4
G4XXTREMEX-A-A11 Ignition 3
G4XXTREMEX-A-A12 Ignition 2
G4XXTREMEX-A-A13 Ignition 1
17 no data
G4XXTREMEX-A-A30 Digital Input 1
19 no data
5V ref
22 no data
0V sensor
27 no data
29 no data
G4XXTREMEX-A-A17 Analog Volt 1
OEM-A
Stock ECU being replaced
1Knock sensor
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
10A/F sensor heater
11–12 no data
13Ignition coil 4
14Ignition coil 3
15Ignition coil 2
16Ignition coil 1
17 no data
18Vehicle speed sensor
19 no data
21Sensor voltage 1
22 no data
24Sensor ground 1
27 no data
29 no data
30MAP sensor
1 no data
G4XXTREMEX-A-A1 Injector 4
G4XXTREMEX-A-A2 Injector 3
G4XXTREMEX-A-A3 Injector 2
G4XXTREMEX-A-A4 Injector 1
G4XXTREMEX-A-A29 Aux 5
7 no data
G4XXTREMEX-A-A15 Analog Temp 1
9 no data
G4XXTREMEX-A-A31 Digital Input 2
12 no data
G4XXTREMEX-B-B33 Analog Volt 5
14 no data
G4XXTREMEX-B-B3 Injector 6
16 no data
G4XXTREMEX-B-B6 Analog Temp 3
G4XXTREMEX-B-B2 Injector 7
G4XXTREMEX-B-B1 Injector 8
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
11VTEC oil pressure switch
12 no data
13Alternator FR signal
14 no data
15Engine mount control solenoid
16 no data
17Intake air temp sensor
18Alternator control
21Evap canister purge valve
22–24 no data
G4XXTREMEX-A-A23 Digital Input 3
2–3 no data
G4XXTREMEX-B-B21 Digital Input 4
5–6 no data
G4XXTREMEX-B-B20 Digital Input 5
G4XXTREMEX-B-B19 Digital Input 6
G4XXTREMEX-B-B30 Digital Input 7
10–14 no data
16–17 no data
OEM-D
Stock ECU being replaced
1Cruise set switch
2–3 no data
4Cruise main switch
5–6 no data
7Cruise resume switch
8Brake pedal position switch
9Cruise clutch signal
10–14 no data
16–17 no data
G4XXTREMEX-A-A16 Analog Temp 2
2 no data
GND
6 no data
G4XXTREMEX-A-A20 Aux 2
G4XXTREMEX-A-A27 Aux 7
10 no data
G4XXTREMEX-B-B27 CAN 2 H
G4XXTREMEX-A-A18 Aux 4
G4XXTREMEX-B-B15 Analog Volt 6
G4XXTREMEX-B-B16 Analog Volt 7
G4XXTREMEX-B-B23 Analog Volt 8
G4XXTREMEX-A-A21 Aux 1
G4XXTREMEX-A-A28 Aux 6
G4XXTREMEX-A-A14 Analog Volt 4
G4XXTREMEX-A-A26 Aux 8
G4XXTREMEX-B-B29 Digital Input 8
23 no data
G4XXTREMEX-B-B28 CAN 2 L
G4XXTREMEX-B-B24 Analog Volt 9
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
8A/F sensor heater relay
10 no data
11CAN H
12Radiator fan control
14Fuel tank pressure sensor
15Electrical load detector
16Power steering load detector
17Fuel pump relay
18A/C clutch relay
20Secondary O2 sensor
21Secondary O2 heater
22Brake pedal switch
23 no data
24CAN L
28A/C switch signal
31 no data
G4XXTREMEX
G4XXTREMEX-A
G4XXTREMEX
A1Injector 4
A2Injector 3
A3Injector 2
A4Injector 1
A5+14V ECU Power
A8Trigger 1
A9Trigger 2
A10Ignition 4
A11Ignition 3
A12Ignition 2
A13Ignition 1
A14Analog Volt 4
A15Analog Temp 1
A16Analog Temp 2
A17Analog Volt 1
A18Aux 4
A20Aux 2
A21Aux 1
A23Digital Input 3
A24Sensor Ground
A25System Ground
A26Aux 8
A27Aux 7
A28Aux 6
A29Aux 5
A30Digital Input 1
A31Digital Input 2
A32+5V Out
A33Analog Volt 3
A34System Ground
OEM-B-2 Injector 4
OEM-B-3 Injector 3
OEM-B-4 Injector 2
OEM-B-5 Injector 1
+14V ECU Power
OEM-A-7 Crank position sensor (T1)
OEM-A-6 Cam position sensor (T2)
OEM-A-13 Ignition coil 4
OEM-A-14 Ignition coil 3
OEM-A-15 Ignition coil 2
OEM-A-16 Ignition coil 1
OEM-E-20 Secondary O2 sensor
OEM-B-8 Coolant temp sensor
OEM-E-1 Coolant temp sensor 2
OEM-A-30 MAP sensor
OEM-E-12 Radiator fan control
OEM-E-7 Main relay control
OEM-E-17 Fuel pump relay
OEM-D-1 Cruise set switch
0V sensor
GND
OEM-E-21 Secondary O2 heater
OEM-E-8 A/F sensor heater relay
OEM-E-18 A/C clutch relay
OEM-B-6 VTEC solenoid
OEM-A-18 Vehicle speed sensor
OEM-B-11 VTEC oil pressure switch
5V ref
TPS-J-SIG Throttle position signal
GND
G4XXTREMEX-B
G4XXTREMEX
B1Injector 8
B2Injector 7
B3Injector 6
B4Injector 5
B5Aux 9/10 E-Throttle Supply
B6Analog Temp 3
B9Knock 1
B15Analog Volt 6
B16Analog Volt 7
B19Digital Input 6
B20Digital Input 5
B21Digital Input 4
B22Sensor Ground
B23Analog Volt 8
B24Analog Volt 9
B25System Ground
B27CAN 2 H
B28CAN 2 L
B29Digital Input 8
B30Digital Input 7
B33Analog Volt 5
B34System Ground
OEM-B-21 Evap canister purge valve
OEM-B-18 Alternator control
OEM-B-15 Engine mount control solenoid
OEM-A-10 A/F sensor heater
Aux 9/10 E-Throttle Supply
OEM-B-17 Intake air temp sensor
OEM-A-1 Knock sensor
OEM-E-14 Fuel tank pressure sensor
OEM-E-15 Electrical load detector
OEM-D-8 Brake pedal position switch
OEM-D-7 Cruise resume switch
OEM-D-4 Cruise main switch
0V sensor
OEM-E-16 Power steering load detector
OEM-E-28 A/C switch signal
GND
OEM-E-11 CAN H
OEM-E-24 CAN L
OEM-E-22 Brake pedal switch
OEM-D-9 Cruise clutch signal
OEM-B-13 Alternator FR signal
GND
TPS
TPS-J
TPS
GNDSensor ground
SIGThrottle position signal
VCC5V supply in
0V sensor
G4XXTREMEX-A-A33 Analog Volt 3
5V supply in
SP-14V · 5 pins
SP-GND · 10 pins
SP-5V1 · 5 pins
SP-0V · 5 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.
64 / 64 connections
Columns ▾
Lengths need a layout. Add bundles in Layout.
Not set yet: signal, colour, stripe, ident.
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