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Thread: Inertia Switch?

  1. #1
    Join Date
    Jul 2014
    Location
    Aptos, CA
    Posts
    100

    Default Inertia Switch?

    Rewiring my car and incorporating an inertia switch in the fuel pump relay circuit. Usually, I interrupt the ignition side, but the relay has +12V power there all the time. My thought now would be to interrupt the ground side of the relay, and that looks like it's connected to the ignition side of the Terminator as well. This may be a good thing to kill both circuits. Any thoughts?

  2. #2

    Default

    Always kill the +. In a crash, wires could still get − from the crumpled metal.

  3. #3
    Join Date
    Jul 2014
    Location
    Aptos, CA
    Posts
    100

    Default

    That's usually what I do. I'll break #86 running from P1A-A2, and let it feed the signal side from there.

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