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
ECU power (+B2, main relay)
Battery constant (BATT, memory)
SHADOW8-A-30 Digital input 5
GND
SHADOW8-A-31 Digital input 6
SHADOW8-A-21 Analog voltage 9 (switchable 1k pull-up)
SHADOW8-A-26 Digital input 1
SHADOW8-A-27 Digital input 2
SHADOW8-A-28 Digital input 3
SHADOW8-A-29 Digital input 4
SHADOW8-A-23 CAN bus 1 low
SHADOW8-A-15 CAN bus 1 high
SHADOW8-B-13 Aux output 4
SHADOW8-A-10 Analog voltage 1
SHADOW8-B-21 Digital input 10 / ignition switch
SHADOW8-A-8 Shield (via SP-SHD)
0V sensor
OEM-A33
Stock ECU being replaced
1ECU power (+B2, main relay)
2Battery constant (BATT, memory)
3Stop light switch (ST1-)
4Power ground (EC)
7Stop light switch (STP)
12Intake air temperature (THA, in MAF)
14Starter signal (STSW2)
15Clutch switch (CLSW)
16Neutral switch (NSW)
17Starter signal (STSW2)
18CAN low (CANL)
19CAN high (CANH)
20Blower relay (HB)
22Mass air flow (VG)
27Ignition switch sense (IGSW, IG2 relay)
28Shield ground (SLE2)
29MAF sensor ground (E2G)
GND
GND
GND
SHADOW8-B-24 Aux output 11
ECU power (+B, main relay)
SHADOW8-A-6 Sync position sensor
SHADOW8-A-5 Crank position sensor
SHADOW8-A-24 Knock 2 +
SHADOW8-A-11 Analog voltage 2
SHADOW8-A-19 Analog voltage 7 (switchable 1k pull-up)
0V sensor
SHADOW8-A-16 Knock 1 +
SHADOW8-A-8 Shield (via SP-SHD)
SHADOW8-A-8 Shield (via SP-SHD)
5V ref
SHADOW8-A-8 Shield (via SP-SHD)
OEM-A34
Stock ECU being replaced
1Power ground (E03)
2Power ground (E04)
3Power ground (E05)
5A/F ratio sensor heater (HA1A)
6ECU power (+B, main relay)
14VVT cam sensor exhaust bank 1 (EV1+)
16Crank position (NE+)
17Knock sensor 2 (KNK2)
20Manifold absolute pressure (PIM)
21Heated oxygen sensor (OX1B, rear)
27Crank position return (NE-)
28Knock sensor 1 (KNK1)
29Shield ground (EKNK)
30Shield ground (SLE1)
34OCV power source (VCV, 5V)
35Shield ground (SLE3)
SHADOW8-B-16 Aux output 7
SHADOW8-B-17 Aux output 8
SHADOW8-B-12 Aux output 3
SHADOW8-B-11 Aux output 2
SHADOW8-B-10 Aux output 1
SHADOW8-B-14 Aux output 5
5V ref
5V ref
SHADOW8-A-14 Analog voltage 5
SHADOW8-B-18 Digital input 7
0V sensor
0V sensor
SHADOW8-A-12 Analog voltage 3
SHADOW8-B-15 Aux output 6
OEM-A35
Stock ECU being replaced
5Injector relay (IREL)
7ETCS relay (+BM)
11Cooling fan relay 3 (FAN1)
12Cooling fan relay 2 (FAN2)
13EFI main relay 1 (SSHUT)
17ETCS relay (MCR)
21Accelerator pedal 5V supply (VCPA)
22Accelerator pedal 5V supply (VCP2)
23Accelerator pedal position (VPA)
26Starter signal (STA)
29Accelerator pedal ground (EPA)
30Accelerator pedal ground (EPA2)
31Accelerator pedal position 2 (VPA2)
35A/C clutch relay (AC)
SHADOW8-B-22 Aux output 9
SHADOW8-B-23 Aux output 10
GND
GND
SHADOW8-B-25 Aux output 12
SHADOW8-B-30 Ignition TTL cylinder 4
SHADOW8-B-28 Ignition TTL cylinder 2
SHADOW8-B-2 Injector cylinder 1
SHADOW8-B-8 Injector cylinder 7
SHADOW8-B-3 Injector cylinder 2
SHADOW8-A-18 Analog voltage 6
5V ref
SHADOW8-A-22 Analog voltage 10 (switchable 1k pull-up)
SHADOW8-B-27 Ignition TTL cylinder 1
SHADOW8-B-4 Injector cylinder 3
SHADOW8-B-9 Injector cylinder 8
SHADOW8-B-6 Injector cylinder 5
SHADOW8-B-5 Injector cylinder 4
SHADOW8-A-13 Analog voltage 4
0V sensor
SHADOW8-A-20 Analog voltage 8 (switchable 1k pull-up)
SHADOW8-B-29 Ignition TTL cylinder 3
SHADOW8-B-7 Injector cylinder 6
OEM-A36
Stock ECU being replaced
1Throttle actuator motor - (M-)
2Throttle actuator motor + (M+)
3Power ground (E02)
4Power ground (E01)
6Heated oxygen sensor heater (HT1B)
8Ignition coil 4 (IGT4)
10Ignition coil 2 (IGT2)
12Injector 1 port (#10)
13Injector 4 port (#40)
14Injector 1 direct (#1)
18Throttle position (VTA1)
19Sensor 5V supply (VC)
20Oil temperature (OT)
21Ignition coil 1 (IGT1)
22Injector 2 port (#20)
23Injector 4 direct (#4)
24Injector 3 direct (#3)
25Injector 2 direct (#2)
28Throttle position 2 (VTA2)
29Sensor ground (E1)
30Engine coolant temperature (THW)
31Ignition coil 3 (IGT3)
32Injector 3 port (#30)
SHADOW8
SHADOW8-A
SHADOW8
1ECU supply
35.0V sensor supply
40V analog reference
5Crank position sensor
6Sync position sensor
7Trigger ground
8Shield
9Ground 1
10Analog voltage 1
11Analog voltage 2
12Analog voltage 3
13Analog voltage 4
14Analog voltage 5
15CAN bus 1 high
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)
23CAN bus 1 low
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-A34-16 Crank position (NE+)
OEM-A34-14 VVT cam sensor exhaust bank 1 (EV1+)
0V sensor
SP-SHD · 4 pins
GND
OEM-A33-22 Mass air flow (VG)
OEM-A34-20 Manifold absolute pressure (PIM)
OEM-A35-31 Accelerator pedal position 2 (VPA2)
OEM-A36-28 Throttle position 2 (VTA2)
OEM-A35-23 Accelerator pedal position (VPA)
OEM-A33-19 CAN high (CANH)
OEM-A34-28 Knock sensor 1 (KNK1)
OEM-A36-18 Throttle position (VTA1)
OEM-A34-21 Heated oxygen sensor (OX1B, rear)
OEM-A36-30 Engine coolant temperature (THW)
OEM-A33-12 Intake air temperature (THA, in MAF)
OEM-A36-20 Oil temperature (OT)
OEM-A33-18 CAN low (CANL)
OEM-A34-17 Knock sensor 2 (KNK2)
OEM-A33-14 Starter signal (STSW2)
OEM-A33-15 Clutch switch (CLSW)
OEM-A33-16 Neutral switch (NSW)
OEM-A33-17 Starter signal (STSW2)
OEM-A33-3 Stop light switch (ST1-)
OEM-A33-7 Stop light switch (STP)
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
21Digital input 10 / ignition switch
22Aux output 9
23Aux output 10
24Aux output 11
25Aux output 12
26Aux 9–12 power supply
27Ignition TTL cylinder 1
28Ignition TTL cylinder 2
29Ignition TTL cylinder 3
30Ignition TTL cylinder 4
Battery constant (HOT) supply
OEM-A36-12 Injector 1 port (#10)
OEM-A36-14 Injector 1 direct (#1)
OEM-A36-22 Injector 2 port (#20)
OEM-A36-25 Injector 2 direct (#2)
OEM-A36-24 Injector 3 direct (#3)
OEM-A36-32 Injector 3 port (#30)
OEM-A36-13 Injector 4 port (#40)
OEM-A36-23 Injector 4 direct (#4)
OEM-A35-13 EFI main relay 1 (SSHUT)
OEM-A35-12 Cooling fan relay 2 (FAN2)
OEM-A35-11 Cooling fan relay 3 (FAN1)
OEM-A33-20 Blower relay (HB)
OEM-A35-17 ETCS relay (MCR)
OEM-A35-35 A/C clutch relay (AC)
OEM-A35-5 Injector relay (IREL)
OEM-A35-7 ETCS relay (+BM)
OEM-A35-26 Starter signal (STA)
OEM-A33-27 Ignition switch sense (IGSW, IG2 relay)
OEM-A36-1 Throttle actuator motor - (M-)
OEM-A36-2 Throttle actuator motor + (M+)
OEM-A34-5 A/F ratio sensor heater (HA1A)
OEM-A36-6 Heated oxygen sensor heater (HT1B)
Aux 9–12 power supply
OEM-A36-21 Ignition coil 1 (IGT1)
OEM-A36-10 Ignition coil 2 (IGT2)
OEM-A36-31 Ignition coil 3 (IGT3)
OEM-A36-8 Ignition coil 4 (IGT4)
SP-14V · 5 pins
SP-SHD · 6 pins
SP-GND · 9 pins
SP-0V · 8 pins
SP-5V1 · 6 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.
78 / 78 connections
Columns ▾
Lengths need a layout. Add bundles in Layout.
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