Hot Coil

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  • mpreston14
    Low Range
    • Oct 2015
    • 23

    Hot Coil

    While doing the compression testing on my 2.25 (that has sat for 30+ years now) the coil (new) got hot...not just hot, but burn the crap out of you hot! Again, this was just during the compression tests, a few seconds at a time. Is this normal? If not, any ideas as to what to look for?

    Thanks,

    Mike
    Mike
    -----------
    66 IIA
    07 LR3
    13 RR Sport
  • cedryck
    5th Gear
    • Sep 2010
    • 836

    #2
    Not normal. It should not get hot, or get that hot. Is it hooked up properly? Are the points set and gapped properly?

    Comment

    • mpreston14
      Low Range
      • Oct 2015
      • 23

      #3
      The points are set and gapped correctly, I'll double check though.
      Mike
      -----------
      66 IIA
      07 LR3
      13 RR Sport

      Comment

      • lumpydog
        3rd Gear
        • May 2014
        • 383

        #4
        Also - be sure not to leave the key in position 2. One click clockwise. That could contribute
        1968 Series IIa
        1997 Defender SW (Original Owner - Sold)

        Comment

        • whitehillbilly64
          Low Range
          • Dec 2015
          • 16

          #5
          Hi Mike.
          Might be the type of coil bought.
          is ' use with resistor ' written on the coil ?
          I had a hot coil. This is the reply I got.
          '' Use with a resistor '' means that it is a six volt coil that is run in two ways . When starting the coil receives a full 12 volts through six volt windings , this helps cold starts when the battery can't supply the starter and ignition with a full current . Once the starter solenoid has cut out the ignition current is switched through a resistor that reduces the nominal 12 volts down to six , without it the extra current will burn the points and overheat the coil . Resistors are usually big ceramic blocks , about half the size of a match box and screwed to the fire wall somewhere .
          I change to a non resistor type, and it stayed cool.

          whitehillbilly

          Comment

          • mpreston14
            Low Range
            • Oct 2015
            • 23

            #6
            It's a Proline Coil purchased from our hosts here. Will look for anything about a resistor next time I get to the truck. Thanks for the help!
            Mike
            -----------
            66 IIA
            07 LR3
            13 RR Sport

            Comment

            • mearstrae
              5th Gear
              • Oct 2011
              • 592

              #7
              Be sure to use a points coil with a points distributor and an electronic ign. coil with a breakerless distributor. If a Pertronix ignition is used in place of points, I think they also require a points type coil. This on top of all the rest of the helpful hints.

              '99 Disco II
              '95 R.R.C. Lwb (Gone...)
              '76 Series III Hybrid 109
              '70 Rover 3500S

              Comment

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