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-10 Aux output 1
SHADOW8-B-11 Aux output 2
SHADOW8-A-27 Digital input 2
SHADOW8-B-15 Aux output 6
SHADOW8-B-12 Aux output 3
SHADOW8-A-28 Digital input 3
SHADOW8-A-29 Digital input 4
SHADOW8-A-26 Digital input 1
SHADOW8-A-30 Digital input 5
SHADOW8-B-13 Aux output 4
OEM-1
Stock ECU being replaced
ACooling fan relay (low-side)
BA/C condenser fan relay
CStarter input (12V while cranking)
ECheck engine light (MIL)
GA/C clutch relay
KA/C pressure switch (A/C request)
LClutch switch
MVehicle speed sensor (VSS)
QBrake switch
UFuel pump relay (low-side)
SHADOW8-A-10 Analog voltage 1
SHADOW8-A-18 Analog voltage 6
SHADOW8-A-19 Analog voltage 7 (switchable 1k pull-up)
SHADOW8-A-11 Analog voltage 2
SHADOW8-A-12 Analog voltage 3
SHADOW8-A-13 Analog voltage 4
5V ref
SHADOW8-A-21 Analog voltage 9 (switchable 1k pull-up)
SHADOW8-A-20 Analog voltage 8 (switchable 1k pull-up)
SHADOW8-A-31 Digital input 6
SHADOW8-B-14 Aux output 5
SHADOW8-A-14 Analog voltage 5
0V sensor
SHADOW8-B-18 Digital input 7
OEM-3
Stock ECU being replaced
BMAF sensor input
CFront O2 sensor input
DRear O2 sensor input
FThrottle position (TPS)
GEngine coolant temp (CLT)
HEGR boost sensor
I+5V sensor reference
JEGR valve position sensor
KIntake air temp (IAT)
LIdle switch (closed throttle)
MFront O2 heater control
NEGR boost sensor (2nd channel)
OSensor ground
PPower steering pressure switch
GND
ECU power +12V (main relay)
GND
GND
SHADOW8-A-5 Crank position sensor
SHADOW8-A-6 Sync position sensor
0V sensor
Permanent +12V (battery)
SHADOW8-B-16 Aux output 7
GND
SHADOW8-B-27 Ignition TTL cylinder 1
SHADOW8-B-17 Aux output 8
SHADOW8-B-6 Injector cylinder 5
SHADOW8-B-7 Injector cylinder 6
SHADOW8-B-28 Ignition TTL cylinder 2
SHADOW8-B-8 Injector cylinder 7
SHADOW8-B-2 Injector cylinder 1
SHADOW8-B-3 Injector cylinder 2
SHADOW8-B-4 Injector cylinder 3
SHADOW8-B-5 Injector cylinder 4
OEM-4
Stock ECU being replaced
AChassis ground
BECU power +12V (main relay)
CChassis ground
DChassis ground
ECrank position (CKP) sensor
GCAS SGC (cam sync)
HCrank pickup timing ground (CKP gnd)
IPermanent +12V (battery)
JPRC solenoid (FPR control)
KChassis ground
NIgnition coil trigger (cyl 1&4)
OEGR vent solenoid
PEGR vacuum solenoid
QIdle air control (IAC) valve
RIgnition coil trigger (cyl 2&3)
TEVAP purge solenoid
UInjector 1 (cyl 1)
VInjector 2 (cyl 2)
WInjector 3 (cyl 3)
XInjector 4 (cyl 4)
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
18Analog voltage 6
19Analog voltage 7 (switchable 1k pull-up)
20Analog voltage 8 (switchable 1k pull-up)
21Analog voltage 9 (switchable 1k pull-up)
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-4-E Crank position (CKP) sensor
OEM-4-G CAS SGC (cam sync)
0V sensor
GND
OEM-3-B MAF sensor input
OEM-3-F Throttle position (TPS)
OEM-3-G Engine coolant temp (CLT)
OEM-3-H EGR boost sensor
OEM-3-N EGR boost sensor (2nd channel)
OEM-3-C Front O2 sensor input
OEM-3-D Rear O2 sensor input
OEM-3-K Intake air temp (IAT)
OEM-3-J EGR valve position sensor
OEM-1-M Vehicle speed sensor (VSS)
OEM-1-C Starter input (12V while cranking)
OEM-1-K A/C pressure switch (A/C request)
OEM-1-L Clutch switch
OEM-1-Q Brake switch
OEM-3-L Idle switch (closed throttle)
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
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
26Aux 9–12 power supply
27Ignition TTL cylinder 1
28Ignition TTL cylinder 2
Battery constant (HOT) supply
OEM-4-U Injector 1 (cyl 1)
OEM-4-V Injector 2 (cyl 2)
OEM-4-W Injector 3 (cyl 3)
OEM-4-X Injector 4 (cyl 4)
OEM-4-P EGR vacuum solenoid
OEM-4-Q Idle air control (IAC) valve
OEM-4-T EVAP purge solenoid
OEM-1-A Cooling fan relay (low-side)
OEM-1-B A/C condenser fan relay
OEM-1-G A/C clutch relay
OEM-1-U Fuel pump relay (low-side)
OEM-3-M Front O2 heater control
OEM-1-E Check engine light (MIL)
OEM-4-J PRC solenoid (FPR control)
OEM-4-O EGR vent solenoid
OEM-3-P Power steering pressure switch
Aux 9–12 power supply
OEM-4-N Ignition coil trigger (cyl 1&4)
OEM-4-R Ignition coil trigger (cyl 2&3)
SP-0V · 5 pins
SP-14V · 4 pins
SP-GND · 7 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.
50 / 50 connections
Columns ▾
Lengths need a layout. Add bundles in Layout.
Not set yet: signal, colour, stripe, ident.
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