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-10 Aux output 1
SHADOW8-B-11 Aux output 2
SHADOW8-B-3 Injector cylinder 2
SHADOW8-B-7 Injector cylinder 6
SHADOW8-B-8 Injector cylinder 7
SHADOW8-B-4 Injector cylinder 3
SHADOW8-B-9 Injector cylinder 8
SHADOW8-B-5 Injector cylinder 4
SHADOW8-B-12 Aux output 3
L no data
SHADOW8-B-13 Aux output 4
SHADOW8-B-15 Aux output 6
ISC valve +14V feed
SHADOW8-B-6 Injector cylinder 5
OEM-2
Stock ECU being replaced
AInjector 1
BCooling fan relay
CCondenser fan relay
DInjector 2
EEGR valve
FEGR valve
GInjector 3
HEGR valve
JInjector 4
KA/C clutch relay
L no data
MFuel pump relay
OFuel pump relay (non-immobiliser)
PISC valve +14V feed
QISC valve low side
GND
GND
E no data
SHADOW8-B-27 Ignition TTL cylinder 1
G no data
SHADOW8-B-14 Aux output 5
SHADOW8-B-28 Ignition TTL cylinder 2
SHADOW8-B-16 Aux output 7
L no data
N no data
SHADOW8-B-17 Aux output 8
R no data
SHADOW8-A-27 Digital input 2
SHADOW8-A-26 Digital input 1
SHADOW8-A-6 Sync position sensor
W–X no data
SHADOW8-A-5 Crank position sensor
Z no data
OEM-3
Stock ECU being replaced
APower ground
BPower ground
E no data
FIgnition 1 (coils 1+4, wasted spark)
G no data
HMain relay
IIgnition 2 (coils 2+3, wasted spark)
JFront O2 heater
L no data
N no data
PRear O2 heater
R no data
SImmobiliser
TVehicle speed
VCam position (CMP)
W–X no data
YCrank position (CKP)
Z no data
GND
SHADOW8-A-28 Digital input 3
SHADOW8-A-29 Digital input 4
VVT oil-control solenoid +12V feed
SHADOW8-A-30 Digital input 5
G no data
SHADOW8-A-31 Digital input 6
SHADOW8-B-18 Digital input 7
SHADOW8-B-19 Digital input 8
K no data
5V ref
SHADOW8-A-16 Knock 1 +
SHADOW8-A-19 Analog voltage 7 (switchable 1k pull-up)
0V sensor
SHADOW8-A-12 Analog voltage 3
Q no data
SHADOW8-B-21 Digital input 10 / ignition switch
U no data
SHADOW8-A-11 Analog voltage 2
SHADOW8-A-18 Analog voltage 6
SHADOW8-A-10 Analog voltage 1
Y no data
SHADOW8-A-14 Analog voltage 5
AB no data
SHADOW8-A-20 Analog voltage 8 (switchable 1k pull-up)
SHADOW8-A-13 Analog voltage 4
ECU power +14V (main relay)
Constant +12V
OEM-4
Stock ECU being replaced
APower ground
BBrake switch
CPower steering pressure switch
DVVT oil-control solenoid +12V feed
FA/C request
G no data
HNeutral switch
IClutch switch
JVTCS vacuum switch
K no data
L+5V sensor supply
MKnock sensor
NIntake air temperature (IAT)
OSignal ground
PCoolant temperature (ECT)
Q no data
SIgnition switch (IG1) sense
U no data
VThrottle position (TPS)
WFront O2 signal
XMass air flow (MAF)
Y no data
AARear O2 signal
AB no data
ADFuel level
AEPressure sensor (Mazda: EGR boost sensor)
AFECU power +14V (main relay)
AGConstant +12V
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)
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-3-Y Crank position (CKP)
OEM-3-V Cam position (CMP)
0V sensor
GND
OEM-4-X Mass air flow (MAF)
OEM-4-V Throttle position (TPS)
OEM-4-P Coolant temperature (ECT)
OEM-4-AE Pressure sensor (Mazda: EGR boost sensor)
OEM-4-AA Rear O2 signal
OEM-4-M Knock sensor
OEM-4-W Front O2 signal
OEM-4-N Intake air temperature (IAT)
OEM-4-AD Fuel level
OEM-3-T Vehicle speed
OEM-3-S Immobiliser
OEM-4-B Brake switch
OEM-4-C Power steering pressure switch
OEM-4-F A/C request
OEM-4-H Neutral switch
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
21Digital input 10 / ignition switch
26Aux 9–12 power supply
27Ignition TTL cylinder 1
28Ignition TTL cylinder 2
Battery constant (HOT) supply
OEM-2-A Injector 1
OEM-2-D Injector 2
OEM-2-G Injector 3
OEM-2-J Injector 4
OEM-2-Q ISC valve low side
OEM-2-E EGR valve
OEM-2-F EGR valve
OEM-2-H EGR valve
OEM-2-B Cooling fan relay
OEM-2-C Condenser fan relay
OEM-2-K A/C clutch relay
OEM-2-M Fuel pump relay
OEM-3-H Main relay
OEM-2-O Fuel pump relay (non-immobiliser)
OEM-3-J Front O2 heater
OEM-3-P Rear O2 heater
OEM-4-I Clutch switch
OEM-4-J VTCS vacuum switch
OEM-4-S Ignition switch (IG1) sense
Aux 9–12 power supply
OEM-3-F Ignition 1 (coils 1+4, wasted spark)
OEM-3-I Ignition 2 (coils 2+3, wasted spark)
SP-0V · 4 pins
SP-GND · 6 pins
SP-14V · 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.
53 / 53 connections
Columns ▾
Lengths need a layout. Add bundles in Layout.
Not set yet: signal, colour, stripe, ident.
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