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58 Packard golden hawk tach hook up

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  • Speedo / Tach / Gauges: 58 Packard golden hawk tach hook up

    hello,
    can anyone advise me where the 2 wires on the tach cable hook to?

    Thanks in advance
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  • #2
    Mine did not have any extra wires. Get out the VOM and see if it may be IGN wire.

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    • #3
      https://www.studebakerparts.com/stud...6tachwire.html
      Another thing about wearing a mask......I don't have to shave before I leave the house!

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      • #4

        thanks Dwain,

        but I am a little confused as the diagram refers to both wires being black when mine are 1 black and 1 red. I assume the read would run to the ignition switch?

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        • #5
          also, what is the difference if I hook it to the positive side of the coil or the ignition switch?

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          • #6
            The way I see the wiring instructions, those two wires should be at the tach end of the cable, not at the engine. You may want to reverse the cable. I have a Stewart-Warner instruction page that says red wire to ignition and black wire to ground (opposite for positive ground) but to be safe do a continuity check with an ohmmeter before connecting anything.
            You shouldn't connect to the coil + because that terminal is not getting full battery voltage. I suppose you could connect to the 12 volt side of the ballast. The ground wire is supposed to connect to the dash bracket. That assumes there is a good body ground in place. You might need to add one.
            Another thing about wearing a mask......I don't have to shave before I leave the house!

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