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
EMUBLACK-Black-3 Knock Sensor in #1
Ignition power 2
Ignition power 1
GND
GND
EMUBLACK-Black-21 Camsync In #1
EMUBLACK-Black-8 Primary trigger
GND
GND
EMUBLACK-Grey-22 Injector #6
11–12 no data
EMUBLACK-Black-14 Ignition coil #4
EMUBLACK-Grey-9 Ignition coil #3
EMUBLACK-Grey-16 Ignition coil #2
EMUBLACK-Grey-8 Ignition coil #1
17 no data
EMUBLACK-Black-20 VSS In
19 no data
5V ref
5V ref
22 no data
0V sensor
0V sensor
EMUBLACK-Black-18 TPS In
EMUBLACK-Black-4 Analog In #2
27 no data
29 no data
EMUBLACK-Black-31 Analog In #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
20Sensor voltage 2
21Sensor voltage 1
22 no data
23Sensor ground 2
24Sensor ground 1
25Accelerator pedal position B
26Accelerator pedal position A
27 no data
29 no data
30MAP sensor
1 no data
EMUBLACK-Grey-6 Injector #4
EMUBLACK-Grey-23 Injector #3
EMUBLACK-Grey-15 Injector #2
EMUBLACK-Grey-7 Injector #1
RLY1-R-OUT Relay contact output (switched +12 V to load)
7 no data
EMUBLACK-Black-5 CLT In
9 no data
EMUBLACK-Black-10 Switch #1 In
12 no data
EMUBLACK-Black-9 Flex Fuel In
14 no data
16 no data
EMUBLACK-Black-37 Analog In #6
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
16 no data
17Intake air temp sensor
22–24 no data
EMUBLACK-Black-23 Switch #2 In
2–3 no data
EMUBLACK-Black-36 Switch #3 In
5–6 no data
10–14 no data
EMUBLACK-Grey-20 AUX 4 / Tacho
16–17 no data
OEM-D
Stock ECU being replaced
1Cruise set switch
2–3 no data
4Cruise main switch
5–6 no data
10–14 no data
15Throttle actuator relay
16–17 no data
EMUBLACK-Black-32 IAT In
2 no data
GND
0V sensor
5V ref
6 no data
EMUBLACK-Grey-13 AUX 2 / Injector #8
EMUBLACK-Grey-19 WBO Heater
EMUBLACK-Grey-18 Ignition +12V
10 no data
EMUBLACK-Black-12 CAN H
EMUBLACK-Grey-12 AUX 5
EMUBLACK-Grey-21 AUX 1 / Injector #7
EMUBLACK-Grey-4 AUX 6
EMUBLACK-Black-35 Analog In #5
EMUBLACK-Grey-14 Injector #5
23 no data
EMUBLACK-Black-25 CAN L
31 no data
OEM-E
Stock ECU being replaced
1Coolant temp sensor 2
2 no data
3Logic ground 3
4Sensor ground 3
5Sensor voltage 3
6 no data
7Main relay control
8A/F sensor heater relay
9Ignition signal
10 no data
11CAN H
12Radiator fan control
17Fuel pump relay
18A/C clutch relay
20Secondary O2 sensor
21Secondary O2 heater
23 no data
24CAN L
31 no data
EMUBLACK
EMUBLACK-Black
EMUBLACK
3Knock Sensor in #1
4Analog In #2
5CLT In
8Primary trigger
9Flex Fuel In
10Switch #1 In
12CAN H
13Battery +12V
14Ignition coil #4
17Analog In #3
18TPS In
20VSS In
21Camsync In #1
23Switch #2 In
25CAN L
26+5V supply
27Power Ground
28Ecu Ground
29Sensor Ground
30Analog In #4
31Analog In #1
32IAT In
34+5V supply
35Analog In #5
36Switch #3 In
37Analog In #6
38Sensor Ground
39Sensor Ground
OEM-A-1 Knock sensor
OEM-A-26 Accelerator pedal position A
OEM-B-8 Coolant temp sensor
OEM-A-7 Crank position sensor (T1)
OEM-B-13 Alternator FR signal
OEM-B-11 VTEC oil pressure switch
OEM-E-11 CAN H
Battery +12V
OEM-A-13 Ignition coil 4
TB-J-TPS1 Throttle position 1
OEM-A-25 Accelerator pedal position B
OEM-A-18 Vehicle speed sensor
OEM-A-6 Cam position sensor (T2)
OEM-D-1 Cruise set switch
OEM-E-24 CAN L
5V ref
GND
GND
0V sensor
TB-J-TPS2 Throttle position 2
OEM-A-30 MAP sensor
OEM-E-1 Coolant temp sensor 2
5V ref
OEM-E-20 Secondary O2 sensor
OEM-D-4 Cruise main switch
OEM-B-17 Intake air temp sensor
0V sensor
0V sensor
EMUBLACK-Grey
EMUBLACK
2H-Bridge #1 Winding A
4AUX 6
5AUX 3
6Injector #4
7Injector #1
8Ignition coil #1
9Ignition coil #3
10H-Bridge #1 Winding B
12AUX 5
13AUX 2 / Injector #8
14Injector #5
15Injector #2
16Ignition coil #2
17Power Ground
18Ignition +12V
19WBO Heater
20AUX 4 / Tacho
21AUX 1 / Injector #7
22Injector #6
23Injector #3
24Power Ground
TB-J-M- Throttle motor −
OEM-E-18 A/C clutch relay
RLY1-R-COIL- Relay coil negative (ECU low-side driver)
OEM-B-2 Injector 4
OEM-B-5 Injector 1
OEM-A-16 Ignition coil 1
OEM-A-14 Ignition coil 3
TB-J-M+ Throttle motor +
OEM-E-12 Radiator fan control
OEM-E-7 Main relay control
OEM-E-21 Secondary O2 heater
OEM-B-4 Injector 2
OEM-A-15 Ignition coil 2
GND
OEM-E-9 Ignition signal
OEM-E-8 A/F sensor heater relay
OEM-D-15 Throttle actuator relay
OEM-E-17 Fuel pump relay
OEM-A-10 A/F sensor heater
OEM-B-3 Injector 3
GND
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)
EMUBLACK-Grey-5 AUX 3
TB
TB-J
TB
M+Throttle motor +
M-Throttle motor −
GNDThrottle sensor ground
TPS1Throttle position 1
TPS2Throttle position 2
VCCThrottle sensor 5V supply
EMUBLACK-Grey-10 H-Bridge #1 Winding B
EMUBLACK-Grey-2 H-Bridge #1 Winding A
0V sensor
EMUBLACK-Black-17 Analog In #3
EMUBLACK-Black-30 Analog In #4
Throttle sensor 5V supply
SP-GND · 10 pins
SP-14V · 6 pins
SP-5V1 · 5 pins
SP-0V · 8 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.