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
SHADOW8-B-2 Injector cylinder 1
SHADOW8-B-3 Injector cylinder 2
SHADOW8-B-4 Injector cylinder 3
SHADOW8-B-10 Aux output 1
SHADOW8-B-14 Aux output 5
SHADOW8-B-8 Injector cylinder 7
SHADOW8-B-15 Aux output 6
SHADOW8-B-27 Ignition TTL cylinder 1
GND
ECM power source (IGP1)
SHADOW8-B-5 Injector cylinder 4
SHADOW8-B-6 Injector cylinder 5
SHADOW8-B-7 Injector cylinder 6
SHADOW8-B-9 Injector cylinder 8
SHADOW8-B-16 Aux output 7
SHADOW8-B-17 Aux output 8
SHADOW8-B-28 Ignition TTL cylinder 2
GND
0V sensor
OEM-A
Stock ECU being replaced
1Injector 1 (INJ1)
2Injector 2 (INJ2)
3Injector 3 (INJ3)
5Fuel pump relay (FLR1)
8A/C clutch relay (ACC)
9Front secondary O2 heater (FSO2SHTC)
10Rear secondary O2 heater (RSO2SHTC)
11Ignition coil 1 (IGN COIL1)
12Power ground (PG1)
13ECM power source (IGP1)
14Injector 4 (INJ4)
15Injector 5 (INJ5)
16Injector 6 (INJ6)
17EVAP bypass solenoid (2WBS)
22Front primary O2 heater (FPO2SHTC)
23Rear primary O2 heater (RPO2SHTC)
24Ignition coil 2 (IGN COIL2)
25Power ground (PG2)
26Logic ground (LG1)
SHADOW8-A-29 Digital input 4
SHADOW8-B-32 Ignition TTL cylinder 6
SHADOW8-A-30 Digital input 5
SHADOW8-A-31 Digital input 6
SHADOW8-A-6 Sync position sensor
SHADOW8-A-5 Crank position sensor
0V sensor
SHADOW8-B-31 Ignition TTL cylinder 5
SHADOW8-B-30 Ignition TTL cylinder 4
SHADOW8-B-29 Ignition TTL cylinder 3
0V sensor
0V sensor
0V sensor
0V sensor
OEM-B
Stock ECU being replaced
1VTEC pressure switch front (VTP SWF)
2Ignition coil 6 (IGN COIL6)
3VTEC pressure switch rear (VTP SWR)
4Neutral switch (NT SW, M/T)
6Cylinder position sensor 1 + (CYP 1P)
8Crank position sensor 1 + (CKP 1P)
9Logic ground (LG2)
10Ignition coil 5 (IGN COIL5)
11Ignition coil 4 (IGN COIL4)
12Ignition coil 3 (IGN COIL3)
13Cylinder position sensor 2 return (CYP 2M)
14Cylinder position sensor 1 return (CYP 1M)
15Crank position sensor 2 return (CKP 2M)
16Crank position sensor 1 return (CKP 1M)
ECM power source (IGP2)
SHADOW8-B-18 Digital input 7
SHADOW8-B-19 Digital input 8
SHADOW8-A-26 Digital input 1
OEM-C
Stock ECU being replaced
1ECM power source (IGP2)
4Clutch switch (MTCLS, M/T)
6Starter switch (STS)
7Vehicle speed sensor (VSS)
Backup power (VBU)
SHADOW8-A-24 Knock 2 +
SHADOW8-A-14 Analog voltage 5
SHADOW8-A-22 Analog voltage 10 (switchable 1k pull-up)
SHADOW8-A-10 Analog voltage 1
5V ref
0V sensor
SHADOW8-A-13 Analog voltage 4
SHADOW8-A-16 Knock 1 +
SHADOW8-A-18 Analog voltage 6
SHADOW8-A-19 Analog voltage 7 (switchable 1k pull-up)
SHADOW8-A-20 Analog voltage 8 (switchable 1k pull-up)
SHADOW8-A-21 Analog voltage 9 (switchable 1k pull-up)
OEM-D
Stock ECU being replaced
1Backup power (VBU)
2Knock sensor rear (KSR)
7Engine coolant temperature (ECT)
8Intake air temperature (IAT)
9MAP sensor
10Sensor 5V supply (VCC2)
11Sensor ground (SG2)
12Throttle position sensor (TPS)
13Knock sensor front (KSF)
16Front secondary O2 signal (O2S FS)
17Rear secondary O2 signal (O2S RS)
18Front primary O2 signal (O2S FP)
19Rear primary O2 signal (O2S RP)
5V ref
0V sensor
SHADOW8-B-13 Aux output 4
SHADOW8-A-28 Digital input 3
SHADOW8-A-12 Analog voltage 3
SHADOW8-A-11 Analog voltage 2
5V ref
0V sensor
SHADOW8-A-27 Digital input 2
SHADOW8-B-11 Aux output 2
SHADOW8-B-12 Aux output 3
OEM-F
Stock ECU being replaced
1Sensor 5V supply (VCC1)
2Sensor ground (SG1)
4Fuel pump relay 2 (FLR2)
6Brake switch 2 (BKSW2)
12Accelerator pedal position 2 (AP2)
13Accelerator pedal position 1 (AP1)
14Accelerator pedal 5V supply (VCC3)
15Accelerator pedal ground (SG3)
16Brake switch 1 (BKSW1)
19VTEC solenoid front (VT SOLF)
20VTEC solenoid rear (VT SOLR)
Throttle motor power source 1 (IGM1)
Throttle motor power source 2 (IGM2)
GND
GND
Throttle motor common power phases 1&3 (COM1)
Throttle motor common power phases 2&4 (COM2)
OEM-G
Stock ECU being replaced
2Throttle motor power source 1 (IGM1)
3Throttle motor power source 2 (IGM2)
7Throttle motor ground 1 (PGM1)
8Throttle motor ground 2 (PGM2)
9Throttle motor common power phases 1&3 (COM1)
10Throttle motor common power phases 2&4 (COM2)
SHADOW8
SHADOW8-A
SHADOW8
1ECU supply
35.0V sensor supply
40V analog reference
5Crank position sensor
6Sync position sensor
7Trigger ground
9Ground 1
10Analog voltage 1
11Analog voltage 2
12Analog voltage 3
13Analog voltage 4
14Analog voltage 5
16Knock 1 +
18Analog voltage 6
19Analog voltage 7 (switchable 1k pull-up)
20Analog voltage 8 (switchable 1k pull-up)
21Analog voltage 9 (switchable 1k pull-up)
22Analog voltage 10 (switchable 1k pull-up)
24Knock 2 +
26Digital input 1
27Digital input 2
28Digital input 3
29Digital input 4
30Digital input 5
31Digital input 6
34Ground 2
ECU supply
5V ref
0V sensor
OEM-B-8 Crank position sensor 1 + (CKP 1P)
OEM-B-6 Cylinder position sensor 1 + (CYP 1P)
0V sensor
GND
OEM-D-9 MAP sensor
OEM-F-13 Accelerator pedal position 1 (AP1)
OEM-F-12 Accelerator pedal position 2 (AP2)
OEM-D-12 Throttle position sensor (TPS)
OEM-D-7 Engine coolant temperature (ECT)
OEM-D-13 Knock sensor front (KSF)
OEM-D-16 Front secondary O2 signal (O2S FS)
OEM-D-17 Rear secondary O2 signal (O2S RS)
OEM-D-18 Front primary O2 signal (O2S FP)
OEM-D-19 Rear primary O2 signal (O2S RP)
OEM-D-8 Intake air temperature (IAT)
OEM-D-2 Knock sensor rear (KSR)
OEM-C-7 Vehicle speed sensor (VSS)
OEM-F-16 Brake switch 1 (BKSW1)
OEM-F-6 Brake switch 2 (BKSW2)
OEM-B-1 VTEC pressure switch front (VTP SWF)
OEM-B-3 VTEC pressure switch rear (VTP SWR)
OEM-B-4 Neutral switch (NT SW, M/T)
GND
SHADOW8-B
SHADOW8
1Battery constant (HOT) supply
2Injector cylinder 1
3Injector cylinder 2
4Injector cylinder 3
5Injector cylinder 4
6Injector cylinder 5
7Injector cylinder 6
8Injector cylinder 7
9Injector cylinder 8
10Aux output 1
11Aux output 2
12Aux output 3
13Aux output 4
14Aux output 5
15Aux output 6
16Aux output 7
17Aux output 8
18Digital input 7
19Digital input 8
26Aux 9–12 power supply
27Ignition TTL cylinder 1
28Ignition TTL cylinder 2
29Ignition TTL cylinder 3
30Ignition TTL cylinder 4
31Ignition TTL cylinder 5
32Ignition TTL cylinder 6
Battery constant (HOT) supply
OEM-A-1 Injector 1 (INJ1)
OEM-A-2 Injector 2 (INJ2)
OEM-A-3 Injector 3 (INJ3)
OEM-A-14 Injector 4 (INJ4)
OEM-A-15 Injector 5 (INJ5)
OEM-A-16 Injector 6 (INJ6)
OEM-A-9 Front secondary O2 heater (FSO2SHTC)
OEM-A-17 EVAP bypass solenoid (2WBS)
OEM-A-5 Fuel pump relay (FLR1)
OEM-F-19 VTEC solenoid front (VT SOLF)
OEM-F-20 VTEC solenoid rear (VT SOLR)
OEM-F-4 Fuel pump relay 2 (FLR2)
OEM-A-8 A/C clutch relay (ACC)
OEM-A-10 Rear secondary O2 heater (RSO2SHTC)
OEM-A-22 Front primary O2 heater (FPO2SHTC)
OEM-A-23 Rear primary O2 heater (RPO2SHTC)
OEM-C-4 Clutch switch (MTCLS, M/T)
OEM-C-6 Starter switch (STS)
Aux 9–12 power supply
OEM-A-11 Ignition coil 1 (IGN COIL1)
OEM-A-24 Ignition coil 2 (IGN COIL2)
OEM-B-12 Ignition coil 3 (IGN COIL3)
OEM-B-11 Ignition coil 4 (IGN COIL4)
OEM-B-10 Ignition coil 5 (IGN COIL5)
OEM-B-2 Ignition coil 6 (IGN COIL6)
SP-0V · 12 pins
SP-GND · 7 pins
SP-5V1 · 5 pins
SP-14V · 9 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.
74 / 74 connections
Columns ▾
Lengths need a layout. Add bundles in Layout.
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