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Thread: MSD 7al3 (red) and edelbrock 71900 with one stage

  1. #1

    Default MSD 7al3 (red) and edelbrock 71900 with one stage

    needed a diagram to show me how to wire my relays in for nitrous,trans brake and wot

  2. #2
    msdtech1955 Guest

  3. #3

    Default nitrous controlleer

    you left out edelbroock nitrous controller but thanks

  4. #4
    Join Date
    Jun 2015


    Do you have a diagram for the 7al 3 (Black 7330) I have the edelbrock progressive 71900 diagram but it doesn't show how the MSD 7AL-3 fits into the equation. Want the nitrous to come in after the transbrake is released.

  5. #5
    msdtech1955 Guest


    example 1 71900 with a red 7al-3

    71900 with a red 7al-3.jpg

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