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
GND
EMUBLACK-Grey-22 Injector #6
EMUBLACK-Grey-15 Injector #2
EMUBLACK-Grey-6 Injector #4
EMUBLACK-Grey-4 AUX 6
EMUBLACK-Grey-13 AUX 2 / Injector #8
GND
EMUBLACK-Grey-8 Ignition coil #1
EMUBLACK-Grey-5 AUX 3
GND
EMUBLACK-Black-5 CLT In
EMUBLACK-Black-32 IAT In
0V sensor
EMUBLACK-Black-31 Analog In #1
EMUBLACK-Black-4 Analog In #2
ECU main power (from engine-electronics relay)
EMUBLACK-Grey-7 Injector #1
EMUBLACK-Grey-14 Injector #5
EMUBLACK-Grey-23 Injector #3
EMUBLACK-Grey-20 AUX 4 / Tacho
EMUBLACK-Grey-12 AUX 5
0V sensor
EMUBLACK-Black-3 Knock Sensor in #1
EMUBLACK-Black-17 Analog In #3
EMUBLACK-Black-10 Switch #1 In
EMUBLACK-Grey-18 Ignition +12V
EMUBLACK-Black-23 Switch #2 In
EMUBLACK-Black-18 TPS In
5V ref
EMUBLACK-Black-21 Camsync In #1
EMUBLACK-Grey-21 AUX 1 / Injector #7
EMUBLACK-Grey-9 Ignition coil #3
EMUBLACK-Grey-19 WBO Heater
GND
GND
EMUBLACK-Grey-16 Ignition coil #2
EMUBLACK-Black-20 VSS In
0V sensor
EMUBLACK-Black-8 Primary trigger
OEM-A
Stock ECU being replaced
1Ground (E-1)
2Injector 6 (cyl 6)
3Injector 2 (cyl 2)
4Injector 4 (cyl 4)
5Check engine light (MIL)
6Fuel pump relay control
7Ground (E-2)
8Ignition coil 2 (coil pack pin 2)
9Engine electronics relay control
10Ground (OBD1 EGR enable)
14Coolant temperature (CLT)
15EGR temperature sensor
16MAF ground
17MAF signal
20O2 sensor 1 (primary)
23ECU main power (from engine-electronics relay)
24Injector 1 (cyl 1)
25Injector 5 (cyl 5)
26Injector 3 (cyl 3)
27Idle air control valve
31EVAP canister purge valve
33Sensor ground bus
34Knock sensor 1
36Intake air temperature (IAT)
37A/C compressor switch
38Ignition switch (run/start)
39A/C switch (cabin)
40Throttle position sensor 1
41TPS power (+5V)
44Camshaft position sensor (G40)
49Secondary air injection relay control
52Ignition coil 4 (coil pack pin 4)
53Idle air control valve (2nd)
55Ground (E-3)
56Ground (E-4)
60Ignition coil 3 (coil pack pin 3)
65Vehicle speed sensor (VSS)
67Crank sensor return (VR-)
68Crank position sensor (G28, VR+)
EMUBLACK
EMUBLACK-Black
EMUBLACK
3Knock Sensor in #1
4Analog In #2
5CLT In
8Primary trigger
10Switch #1 In
13Battery +12V
17Analog In #3
18TPS In
20VSS In
21Camsync In #1
23Switch #2 In
26+5V supply
27Power Ground
28Ecu Ground
29Sensor Ground
31Analog In #1
32IAT In
38Sensor Ground
39Sensor Ground
OEM-A-34 Knock sensor 1
OEM-A-20 O2 sensor 1 (primary)
OEM-A-14 Coolant temperature (CLT)
OEM-A-68 Crank position sensor (G28, VR+)
OEM-A-37 A/C compressor switch
Battery +12V
OEM-A-36 Intake air temperature (IAT)
OEM-A-40 Throttle position sensor 1
OEM-A-65 Vehicle speed sensor (VSS)
OEM-A-44 Camshaft position sensor (G40)
OEM-A-39 A/C switch (cabin)
5V ref
GND
GND
0V sensor
OEM-A-17 MAF signal
OEM-A-15 EGR temperature sensor
0V sensor
0V sensor
EMUBLACK-Grey
EMUBLACK
4AUX 6
5AUX 3
6Injector #4
7Injector #1
8Ignition coil #1
9Ignition coil #3
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
OEM-A-5 Check engine light (MIL)
OEM-A-9 Engine electronics relay control
OEM-A-4 Injector 4 (cyl 4)
OEM-A-24 Injector 1 (cyl 1)
OEM-A-8 Ignition coil 2 (coil pack pin 2)
OEM-A-52 Ignition coil 4 (coil pack pin 4)
OEM-A-31 EVAP canister purge valve
OEM-A-6 Fuel pump relay control
OEM-A-25 Injector 5 (cyl 5)
OEM-A-3 Injector 2 (cyl 2)
OEM-A-60 Ignition coil 3 (coil pack pin 3)
GND
OEM-A-38 Ignition switch (run/start)
OEM-A-53 Idle air control valve (2nd)
OEM-A-27 Idle air control valve
OEM-A-49 Secondary air injection relay control
OEM-A-2 Injector 6 (cyl 6)
OEM-A-26 Injector 3 (cyl 3)
GND
SP-14V · 3 pins
SP-0V · 7 pins
SP-GND · 10 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.
47 / 47 connections
Columns ▾
Lengths need a layout. Add bundles in Layout.
Not set yet: signal, colour, stripe, ident.
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