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
G4XSTORMX-A-A4 Injector 1
G4XSTORMX-A-A21 Aux 1
G4XSTORMX-A-A20 Aux 2
G4XSTORMX-A-A3 Injector 2
G4XSTORMX-B-B3 Injector 6
G4XSTORMX-B-B2 Injector 7
G4XSTORMX-A-A2 Injector 3
G4XSTORMX-B-B1 Injector 8
G4XSTORMX-A-A1 Injector 4
G4XSTORMX-A-A19 Aux 3
L no data
G4XSTORMX-A-A18 Aux 4
G4XSTORMX-A-A28 Aux 6
ISC valve +14V feed
G4XSTORMX-B-B4 Injector 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
G4XSTORMX-A-A13 Ignition 1
G no data
G4XSTORMX-A-A29 Aux 5
G4XSTORMX-A-A12 Ignition 2
G4XSTORMX-A-A27 Aux 7
L no data
N no data
G4XSTORMX-A-A26 Aux 8
R no data
G4XSTORMX-A-A31 Digital Input 2
G4XSTORMX-A-A30 Digital Input 1
G4XSTORMX-A-A9 Trigger 2
W–X no data
G4XSTORMX-A-A8 Trigger 1
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
G4XSTORMX-A-A23 Digital Input 3
G4XSTORMX-B-B21 Digital Input 4
VVT oil-control solenoid +12V feed
G4XSTORMX-B-B20 Digital Input 5
G no data
G4XSTORMX-B-B19 Digital Input 6
G4XSTORMX-B-B30 Digital Input 7
G4XSTORMX-B-B29 Digital Input 8
K no data
5V ref
G4XSTORMX-B-B9 Knock 1
G4XSTORMX-A-A16 Analog Temp 2
0V sensor
G4XSTORMX-A-A15 Analog Temp 1
Q no data
U no data
G4XSTORMX-A-A33 Analog Volt 3
G4XSTORMX-B-B33 Analog Volt 5
G4XSTORMX-A-A17 Analog Volt 1
Y no data
G4XSTORMX-A-A14 Analog Volt 4
AB no data
G4XSTORMX-B-B15 Analog Volt 6
G4XSTORMX-A-A22 Analog Volt 2
ECU power +14V (main relay)
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
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)
G4XSTORMX
G4XSTORMX-A
G4XSTORMX
A1Injector 4
A2Injector 3
A3Injector 2
A4Injector 1
A5+14V ECU Power
A8Trigger 1
A9Trigger 2
A12Ignition 2
A13Ignition 1
A14Analog Volt 4
A15Analog Temp 1
A16Analog Temp 2
A17Analog Volt 1
A18Aux 4
A19Aux 3
A20Aux 2
A21Aux 1
A22Analog Volt 2
A23Digital Input 3
A24Sensor Ground
A25System Ground
A26Aux 8
A27Aux 7
A28Aux 6
A29Aux 5
A30Digital Input 1
A31Digital Input 2
A32+5V Out
A33Analog Volt 3
A34System Ground
OEM-2-J Injector 4
OEM-2-G Injector 3
OEM-2-D Injector 2
OEM-2-A Injector 1
+14V ECU Power
OEM-3-Y Crank position (CKP)
OEM-3-V Cam position (CMP)
OEM-3-I Ignition 2 (coils 2+3, wasted spark)
OEM-3-F Ignition 1 (coils 1+4, wasted spark)
OEM-4-AA Rear O2 signal
OEM-4-P Coolant temperature (ECT)
OEM-4-N Intake air temperature (IAT)
OEM-4-X Mass air flow (MAF)
OEM-2-M Fuel pump relay
OEM-2-K A/C clutch relay
OEM-2-C Condenser fan relay
OEM-2-B Cooling fan relay
OEM-4-AE Pressure sensor (Mazda: EGR boost sensor)
OEM-4-B Brake switch
0V sensor
GND
OEM-3-P Rear O2 heater
OEM-3-J Front O2 heater
OEM-2-O Fuel pump relay (non-immobiliser)
OEM-3-H Main relay
OEM-3-T Vehicle speed
OEM-3-S Immobiliser
5V ref
OEM-4-V Throttle position (TPS)
GND
G4XSTORMX-B
G4XSTORMX
B1Injector 8
B2Injector 7
B3Injector 6
B4Injector 5
B9Knock 1
B15Analog Volt 6
B19Digital Input 6
B20Digital Input 5
B21Digital Input 4
B22Sensor Ground
B25System Ground
B29Digital Input 8
B30Digital Input 7
B33Analog Volt 5
B34System Ground
OEM-2-H EGR valve
OEM-2-F EGR valve
OEM-2-E EGR valve
OEM-2-Q ISC valve low side
OEM-4-M Knock sensor
OEM-4-AD Fuel level
OEM-4-H Neutral switch
OEM-4-F A/C request
OEM-4-C Power steering pressure switch
0V sensor
GND
OEM-4-J VTCS vacuum switch
OEM-4-I Clutch switch
OEM-4-W Front O2 signal
GND
SP-GND · 8 pins
SP-14V · 5 pins
SP-0V · 4 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.
52 / 52 connections
Columns ▾
Lengths need a layout. Add bundles in Layout.
Not set yet: signal, colour, stripe, ident.
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