66 427/425 TI wiring - NCRS Discussion Boards

66 427/425 TI wiring

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  • Walter R.
    Very Frequent User
    • January 6, 2009
    • 271

    66 427/425 TI wiring

    I see on the published TI wiring diagram the schematic shows a 12 pink wire in diagram. It appears that that is feed from ignition but I don't see any 12 wires feeding the ignition in other schematics that I have. What gauge wire should be feeding ignition on TI system.
  • John M.
    Expired
    • January 1, 1998
    • 813

    #2
    Re: 66 427/425 TI wiring

    Walter, the ignition feed for both points and TI is a 12 gage pink lead. For points it connects to the ballast resistor, for TI it connects to the TI harness through a special connector, depending on year. Check the AIM section D1 (I think)

    Comment

    • Walter R.
      Very Frequent User
      • January 6, 2009
      • 271

      #3
      Re: 66 427/425 TI wiring

      Why do all schematics that I see show a 18 gauge wire coming from ignition switch?

      Comment

      • Richard M.
        Super Moderator
        • August 31, 1988
        • 11323

        #4
        Re: 66 427/425 TI wiring

        18g goes to fuel/temp gauges and fuel sender and b PB switch. 12g also comes from IGN switch to TI or ballast for points. These 2 wires, 18g and 12g should be seen at the same terminal at the IGN switch.

        Your schematics are likely in error.

        Comment

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