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
EMUBLACK-Grey-21 AUX 1 / Injector #7
EMUBLACK-Grey-13 AUX 2 / Injector #8
EMUBLACK-Black-10 Switch #1 In
EMUBLACK-Grey-12 AUX 5
EMUBLACK-Grey-5 AUX 3
EMUBLACK-Black-23 Switch #2 In
EMUBLACK-Black-36 Switch #3 In
EMUBLACK-Black-20 VSS In
EMUBLACK-Black-9 Flex Fuel In
EMUBLACK-Grey-20 AUX 4 / Tacho
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)
EMUBLACK-Black-31 Analog In #1
EMUBLACK-Black-30 Analog In #4
EMUBLACK-Black-35 Analog In #5
EMUBLACK-Black-18 TPS In
EMUBLACK-Black-5 CLT In
EMUBLACK-Black-4 Analog In #2
5V ref
EMUBLACK-Black-37 Analog In #6
EMUBLACK-Black-32 IAT In
EMUBLACK-Grey-19 WBO Heater
EMUBLACK-Black-17 Analog In #3
0V sensor
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)
MFront O2 heater control
NEGR boost sensor (2nd channel)
OSensor ground
GND
ECU power +12V (main relay)
GND
GND
EMUBLACK-Black-8 Primary trigger
EMUBLACK-Black-7 Camsync In #2
EMUBLACK-Black-21 Camsync In #1
0V sensor
EMUBLACK-Grey-4 AUX 6
GND
EMUBLACK-Grey-8 Ignition coil #1
EMUBLACK-Grey-14 Injector #5
EMUBLACK-Grey-22 Injector #6
EMUBLACK-Grey-16 Ignition coil #2
EMUBLACK-Grey-7 Injector #1
EMUBLACK-Grey-15 Injector #2
EMUBLACK-Grey-23 Injector #3
EMUBLACK-Grey-6 Injector #4
OEM-4
Stock ECU being replaced
AChassis ground
BECU power +12V (main relay)
CChassis ground
DChassis ground
ECrank position (CKP) sensor
FCAS SGT (cam trigger)
GCAS SGC (cam sync)
HCrank pickup timing ground (CKP gnd)
JPRC solenoid (FPR control)
KChassis ground
NIgnition coil trigger (cyl 1&4)
OEGR vent solenoid
PEGR vacuum solenoid
RIgnition coil trigger (cyl 2&3)
UInjector 1 (cyl 1)
VInjector 2 (cyl 2)
WInjector 3 (cyl 3)
XInjector 4 (cyl 4)
EMUBLACK
EMUBLACK-Black
EMUBLACK
4Analog In #2
5CLT In
7Camsync In #2
8Primary trigger
9Flex Fuel In
10Switch #1 In
13Battery +12V
17Analog In #3
18TPS In
20VSS In
21Camsync In #1
23Switch #2 In
26+5V supply
27Power Ground
28Ecu Ground
29Sensor Ground
30Analog In #4
31Analog In #1
32IAT In
35Analog In #5
36Switch #3 In
37Analog In #6
38Sensor Ground
39Sensor Ground
OEM-3-H EGR boost sensor
OEM-3-G Engine coolant temp (CLT)
OEM-4-F CAS SGT (cam trigger)
OEM-4-E Crank position (CKP) sensor
OEM-1-Q Brake switch
OEM-1-C Starter input (12V while cranking)
Battery +12V
OEM-3-N EGR boost sensor (2nd channel)
OEM-3-F Throttle position (TPS)
OEM-1-M Vehicle speed sensor (VSS)
OEM-4-G CAS SGC (cam sync)
OEM-1-K A/C pressure switch (A/C request)
5V ref
GND
GND
0V sensor
OEM-3-C Front O2 sensor input
OEM-3-B MAF sensor input
OEM-3-K Intake air temp (IAT)
OEM-3-D Rear O2 sensor input
OEM-1-L Clutch switch
OEM-3-J EGR valve position sensor
0V sensor
0V sensor
EMUBLACK-Grey
EMUBLACK
4AUX 6
5AUX 3
6Injector #4
7Injector #1
8Ignition coil #1
12AUX 5
13AUX 2 / Injector #8
14Injector #5
15Injector #2
16Ignition coil #2
17Power Ground
19WBO Heater
20AUX 4 / Tacho
21AUX 1 / Injector #7
22Injector #6
23Injector #3
24Power Ground
OEM-4-J PRC solenoid (FPR control)
OEM-1-G A/C clutch relay
OEM-4-X Injector 4 (cyl 4)
OEM-4-U Injector 1 (cyl 1)
OEM-4-N Ignition coil trigger (cyl 1&4)
OEM-1-E Check engine light (MIL)
OEM-1-B A/C condenser fan relay
OEM-4-O EGR vent solenoid
OEM-4-V Injector 2 (cyl 2)
OEM-4-R Ignition coil trigger (cyl 2&3)
GND
OEM-3-M Front O2 heater control
OEM-1-U Fuel pump relay (low-side)
OEM-1-A Cooling fan relay (low-side)
OEM-4-P EGR vacuum solenoid
OEM-4-W Injector 3 (cyl 3)
GND
SP-14V · 3 pins
SP-0V · 6 pins
SP-GND · 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.
48 / 48 connections
Columns ▾
Lengths need a layout. Add bundles in Layout.
Not set yet: signal, colour, stripe, ident.
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