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
ELITE2500-B-7 SPI 4
GND
0V sensor
ELITE2500-A-24 DPO 5 (fuel pump trigger)
ELITE2500-A-1 DPO 2
ELITE2500-A-28 INJ 6
ELITE2500-A-27 INJ 5
ELITE2500-A-22 INJ 4
ELITE2500-A-21 INJ 3
ELITE2500-A-20 INJ 2
ELITE2500-A-19 INJ 1
ELITE2500-B-10 SPI 3
ELITE2500-B-12 AVI 6 (O2 Input 1)
ELITE2500-B-8 SPI 1
ELITE2500-B-2 Cam (Home) (+)
ELITE2500-B-1 Crank (Trigger) (+)
ELITE2500-A-32 Stepper 1 P2 / DPO
ELITE2500-A-31 Stepper 1 P1 / DPO
ELITE2500-B-19 DPO 4
ELITE2500-A-23 DPO 3
ELITE2500-A-30 INJ 8
5V ref
ELITE2500-A-16 AVI 2
ELITE2500-B-4 AVI 8 (Coolant Temp)
ELITE2500-B-3 AVI 7 (Air Temp)
ELITE2500-A-17 AVI 3
ELITE2500-A-2 AVI 4
ELITE2500-B-22 KNOCK 2
ELITE2500-B-21 KNOCK 1
ELITE2500-A-3 IGN 1
ELITE2500-B-13 AVI 1 (O2 Input 2)
0V sensor
GND
GND
GND
OEM-E9
Stock ECU being replaced
3No.2 speed sensor return (SP2-)
4Power ground (E11)
7Distributor ground (G-)
9A/T shift solenoid 2 (S2)
10A/T shift solenoid 1 (S1)
15Injector 6 (#60, rear)
16Injector 5 (#50)
17Injector 4 (#40)
18Injector 3 (#30)
19Injector 2 (#20)
20Injector 1 (#10, front)
23No.2 speed sensor (SP2+)
24A/T oil temperature (OIL)
25Cam position 2 (G2)
26Cam position 1 (G1)
27Crank position (NE)
32ISC stepper coil 4 (ISC4)
33ISC stepper coil 3 (ISC3)
34ISC stepper coil 2 (ISC2)
35ISC stepper coil 1 (ISC1)
39ACIS intake VSV
41Sensor supply +5V (VCC)
43Throttle position (VTA1)
44Coolant temperature (THW)
45Intake air temperature (THA)
47O2 sensor 2 (OX2, rear bank)
48O2 sensor 1 (OX1, front bank)
49Knock sensor 2 (KNK2, rear)
50Knock sensor 1 (KNK1, front)
57Igniter trigger (IGT)
62Manifold pressure (PIM)
65Sensor ground (E2)
69Power ground (E1)
79Power ground (E02)
80Power ground (E01)
ELITE2500-A-13 12V ignition input
ELITE2500-B-9 SPI 2
ELITE2500-A-34 Stepper 1 P4 / DPO
ELITE2500-A-29 INJ 7
ELITE2500-A-15 AVI 9 (MAP)
ELITE2500-A-14 AVI 10 (TPS)
ELITE2500-A-33 Stepper 1 P3 / DPO
ELITE2500-A-25 DPO 6 (ECR OUT)
ELITE2500-A-18 DPO 1
ELITE2500-B-20 AVI 5
EFI main relay power (+B)
EFI main relay power (+B1)
OEM-E10
Stock ECU being replaced
1Ignition switch (IGSW)
2No.1 speed sensor (SP1)
5Cat-temp warning light (EGW)
6Check-engine light (W)
12A/T overdrive disable 1 (OD1)
20Diagnostic test 1 (TE1)
22Fuel pump control (FPC)
23A/C clutch relay (ACMG)
24EFI main relay control (M-REL)
29Cat temperature sensor (CCO)
31EFI main relay power (+B)
32EFI main relay power (+B1)
ELITE2500
ELITE2500-A
ELITE2500
1DPO 2
2AVI 4
3IGN 1
9+5V DC
10Battery ground
11Battery ground
1312V ignition input
14AVI 10 (TPS)
15AVI 9 (MAP)
16AVI 2
17AVI 3
18DPO 1
19INJ 1
20INJ 2
21INJ 3
22INJ 4
23DPO 3
24DPO 5 (fuel pump trigger)
25DPO 6 (ECR OUT)
26ECU injector power input
27INJ 5
28INJ 6
29INJ 7
30INJ 8
31Stepper 1 P1 / DPO
32Stepper 1 P2 / DPO
33Stepper 1 P3 / DPO
34Stepper 1 P4 / DPO
OEM-E9-10 A/T shift solenoid 1 (S1)
OEM-E9-48 O2 sensor 1 (OX1, front bank)
OEM-E9-57 Igniter trigger (IGT)
5V ref
GND
GND
OEM-E10-1 Ignition switch (IGSW)
OEM-E10-20 Diagnostic test 1 (TE1)
OEM-E10-12 A/T overdrive disable 1 (OD1)
OEM-E9-43 Throttle position (VTA1)
OEM-E9-47 O2 sensor 2 (OX2, rear bank)
OEM-E10-24 EFI main relay control (M-REL)
OEM-E9-20 Injector 1 (#10, front)
OEM-E9-19 Injector 2 (#20)
OEM-E9-18 Injector 3 (#30)
OEM-E9-17 Injector 4 (#40)
OEM-E9-35 ISC stepper coil 1 (ISC1)
OEM-E9-9 A/T shift solenoid 2 (S2)
OEM-E10-23 A/C clutch relay (ACMG)
ECU injector power input
OEM-E9-16 Injector 5 (#50)
OEM-E9-15 Injector 6 (#60, rear)
OEM-E10-6 Check-engine light (W)
OEM-E9-39 ACIS intake VSV
OEM-E9-33 ISC stepper coil 3 (ISC3)
OEM-E9-32 ISC stepper coil 4 (ISC4)
OEM-E10-22 Fuel pump control (FPC)
OEM-E10-5 Cat-temp warning light (EGW)
ELITE2500-B
ELITE2500
1Crank (Trigger) (+)
2Cam (Home) (+)
3AVI 7 (Air Temp)
4AVI 8 (Coolant Temp)
5Crank (Trigger) (−)
6Cam (Home) (−)
7SPI 4
8SPI 1
9SPI 2
10SPI 3
11+13.8V ECU supply
12AVI 6 (O2 Input 1)
13AVI 1 (O2 Input 2)
14Signal ground
15Signal ground
16Signal ground
19DPO 4
20AVI 5
21KNOCK 1
22KNOCK 2
OEM-E9-27 Crank position (NE)
OEM-E9-26 Cam position 1 (G1)
OEM-E9-45 Intake air temperature (THA)
OEM-E9-44 Coolant temperature (THW)
SP-0V · 2 pins
SP-0V · 2 pins
OEM-E9-3 No.2 speed sensor return (SP2-)
OEM-E9-25 Cam position 2 (G2)
OEM-E10-2 No.1 speed sensor (SP1)
OEM-E9-23 No.2 speed sensor (SP2+)
+13.8V ECU supply
OEM-E9-24 A/T oil temperature (OIL)
OEM-E9-62 Manifold pressure (PIM)
0V sensor
0V sensor
0V sensor
OEM-E9-34 ISC stepper coil 2 (ISC2)
OEM-E10-29 Cat temperature sensor (CCO)
OEM-E9-50 Knock sensor 1 (KNK1, front)
OEM-E9-49 Knock sensor 2 (KNK2, rear)
SP-GND · 7 pins
SP-0V · 8 pins
SP-14V · 5 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.
56 / 56 connections
Columns ▾
Lengths need a layout. Add bundles in Layout.
Not set yet: signal, colour, stripe, ident.
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