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Relays for injectors and other 12v needs

Discussion in 'EFI Tuning Questions and Engine Management' started by autosay97, Jul 8, 2009.

  1. autosay97

    Joined:
    Oct 4, 2005
    I am swapping a 32v lincoln engine into my 88 coupe and am going to have to redo the entire harness. I need a constant key on 12v power source for everything engine related requiring 12v including injectors, edis8, 4r70w, ecu, mass air, IAC. Do I need to run several relays to supply power to them or can I run one bigger relay for all? I guess I am curious as to how much of a load every sensor and actuator in the car takes. I am wanting them to remain on during cranking also.

    Suggestions, thoughts and discrimination more than welcome.
     
    autosay97, Jul 8, 2009
    #1

  2. evobydarwin

    Joined:
    Nov 15, 2008
    Ive learned that multiple relays are the key. That way if one thing shits the bed, everything doesnt suffer mass punishment
     
    evobydarwin, Jul 13, 2009
    #2
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