S8 ecu wiring
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S.e.c.s s8 ecu connections (cosworth version)
=============================================
pin original ecu (l6,l8 and p8) s8 (if different)
-------------------------------------------------------------------------
1 power ground
2 lambda sensor input
3 crank sensor ground
4 crank sensor input
5 phase sensor ground
6 knock sensor ground user output 2 - after burner run
7 purge valve user output 1 - water injection
8 diagnostic socket injector 5
9 vref monitor user input 1 - user map switching
10 power relay
11 vref negative
12 general output warning lamp output
13 octane adjust injector 6
14 octane adjust injector 7
15 map sensor input
16 boost valve
17 throttle position
18 injector 4
19 power ground
20 positive supply
21 - tacho drive output
22 knock sensor input user input 2 - after burner
23 phase sensor input
24 ignition trigger ground
25 ignition trigger output ignition 1 (plugs 1+4) output
26 - ignition 2 (plugs 2+3) output
27 diagnostic socket injector 8
28 fuel pump relay
29 coolant sensor
30 vref positive
31 charge air sensor
32 injector 2
33 injector 3
34 idle speed valve
35 injector 1
=============================================
pin original ecu (l6,l8 and p8) s8 (if different)
-------------------------------------------------------------------------
1 power ground
2 lambda sensor input
3 crank sensor ground
4 crank sensor input
5 phase sensor ground
6 knock sensor ground user output 2 - after burner run
7 purge valve user output 1 - water injection
8 diagnostic socket injector 5
9 vref monitor user input 1 - user map switching
10 power relay
11 vref negative
12 general output warning lamp output
13 octane adjust injector 6
14 octane adjust injector 7
15 map sensor input
16 boost valve
17 throttle position
18 injector 4
19 power ground
20 positive supply
21 - tacho drive output
22 knock sensor input user input 2 - after burner
23 phase sensor input
24 ignition trigger ground
25 ignition trigger output ignition 1 (plugs 1+4) output
26 - ignition 2 (plugs 2+3) output
27 diagnostic socket injector 8
28 fuel pump relay
29 coolant sensor
30 vref positive
31 charge air sensor
32 injector 2
33 injector 3
34 idle speed valve
35 injector 1
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