73 Dart Sport seat belt switch

Discussion in 'Electrical and Ignition' started by supertruck, Nov 28, 2018.

  1. supertruck

    supertruck Retired Old Fart stock car racer FABO Gold Member

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    On the 73 Sport, there is a seat belt switch attached to each seat belt roller, and another set of wires connecting to a switch under the seat itself. Since it's been a long time since I drove this car, and I'm in the middle of restoration, what happens if I leave these switches unplugged? The schematic looks like the wiring might feed the starter relay. Do I need to jumper the two wires together to get the car to start, or can I leave them unhooked?
     
  2. MoparMike1974

    MoparMike1974 Well-Known Member

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    The one under the cushion needs to be made I think. If not, the light on the dash (& buzzer) will stay on until the seatbelt is fastened. I don't think any part of this will keep the vehicle from starting, afaik.
     
    Last edited: Nov 28, 2018
  3. RedFish

    RedFish Well-Known Member

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    The seatbelt interlock that would prevent start was, as far as I know, 1974 model only. To bypass that is/was common. It's done under the hood, Interlock switch mounted to firewall. Yellow and yellow w/brown tracer get tied together? I forget exactly.
    Maybe check that you have the correct year diagram.
     
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    • supertruck

      supertruck Retired Old Fart stock car racer FABO Gold Member

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      Thanks guys. Definitely don't have an interlock under the hood. Each of the front seat belts does have a switch on the outboard side where they roll up. I'll trace the schematic again.
       
    • 72Dart6pack

      72Dart6pack Harder Better Faster Stronger.

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      The old trick was to paper clip the connections under the seat. It thinks the seat belt is Buckled and all is good.