Please varify wiring for Cos5
Relay
Terminal 85-goes to my negative/chassi side of nitrous arming switch
30-negative/chassi
86-positive source
87-goes to pin 56 pcm
Thanks
85-ground output window switch
86-positive side of arming switch
30-chassi ground
87-pin 56
Why did you use ground from your window switch?
Thanks very much



