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  • Electrical questions/help

    Electrical question for everyone..ÖAnd please be kind, Iím in no way an expert with wiring. I have finally completed my restoration to the point of installing all the components back onto the frame (i.e. motor, transmission, transfer case, brakes, fuel system, tires, etc.). I would like to do the minimal wiring to fire up the engine and check to make sure all the systems are working correctly before mounting the cab and other components. I am switching the system over to 12 volts with an alternator. This is a complete rebuild, so no current wiring exists at this point other than the spark plug wires.
    From what Iíve researched, this is what Iíve come up with. As I stated, Iím not a guru with wiring, so thatís why Iím asking for advice here.
    1. Ground from battery to engine block
    2. Positive battery to starter
    3. Positive battery to switch
    4. Switch to resistor, then resistor to positive on coil (12 volt)
    5. Negative on coil to distributor
    6. Alternator to positive on battery
    Things Iím not sure of: do I need a solenoid or is it built into the starter?, do I need to wire in the voltage regulator somewhere?

  • #2
    Forgot to add, Truck is a 1954 FFPW

    Comment


    • #3
      Here is a simple early PW wiring diagram:
      C3PW-6Volt.jpg

      Here is the minimum needed to operate the Engine (bypassing the Ammeter):
      Min Engine Wiring.jpg
      I drive a DODGE, not a ram!

      Thanks,
      Will
      WAWII.com

      1946 WDX Power Wagon - "Missouri Mule"
      1953 M37 - "Frankenstein"
      1993 Jeep YJ - "Will Power"
      1994 2500 4WD Regular Cab - "Old Gray"
      2006 3500 DRW 4WD Mega Cab - "Power Wagon Hauler"

      Comment


      • #4
        Thank you, that clears up a bunch. The whole solenoid/generator thing had me stumped, but apparently the original 6 volt starters have an internal solenoid. As I said, I'm not real savvy when it comes to electrical.

        Also, I have a replacement Delco single pole alternator. I'm assuming it connects directly to the pos. terminal on the battery?

        Thank you again.

        Comment


        • #5
          Yours welcome. As for the 1 wire alternator, depending on the model/unit that could be correct. Check with the manufacture to be sure, as you don't want it to be a battery drain.
          I drive a DODGE, not a ram!

          Thanks,
          Will
          WAWII.com

          1946 WDX Power Wagon - "Missouri Mule"
          1953 M37 - "Frankenstein"
          1993 Jeep YJ - "Will Power"
          1994 2500 4WD Regular Cab - "Old Gray"
          2006 3500 DRW 4WD Mega Cab - "Power Wagon Hauler"

          Comment


          • #6
            Hi Don. You had two questions that caught my eye, one alternator, one starter.

            If you are using the single wire GM alternator, it is internally regulated.

            If you are using the o.e.m. starter, and the ignition switch has no momentary start position, there are no solenoids involved with a mechanically activated starter.

            cd
            1949 B-1 PW (Gus)
            1955 C-3 PW (Woodrow)
            2001 Dodge 2500 (Dish...formerly Maney's Mopar)
            1978 Suzuki GS1000EC (fulfills the need...the need for speed)
            1954 Ford 860 tractor
            1966 Chrysler LS 16 sailboat (as yet un-named)
            UVA UVAM VIVENDO VARIA FITS

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            • #7
              thumbnail_IMG_20190627_223006493.jpgthumbnail_IMG_20190627_223014995.jpg

              BTW, here's my truck and where I am in the build.

              Comment


              • #8
                Don, the starter doesn't have a solenoid with the foot actuated starter lever.

                It uses a starter switch that is actuated through the lever on the top of the starter.

                I will try and attach a photo of the wiring when using a one wire alternator.

                Attached Files
                1967 W200.aka.Hank
                1946 WDX.aka.Shorty
                2012 Ram 2500 PowerWagon.aka Ollie

                Life is easier in a lower gear.

                Comment


                • #9
                  Don all I had was a PDF, I did just send you an email.
                  1967 W200.aka.Hank
                  1946 WDX.aka.Shorty
                  2012 Ram 2500 PowerWagon.aka Ollie

                  Life is easier in a lower gear.

                  Comment


                  • #10
                    Hey Matt,

                    I got the email with the PDF, thanks.

                    The tires I ended up getting were Cooper Discoverer STT Pro LT 37X12.50R17 Load D 8 Ply M/T Mud Tire 2016 off of EBAY

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