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Dauntless 225 Ignition Wiring

Discussion in 'Early CJ5 and CJ6 Tech' started by Jamco6000, Jul 19, 2012.

  1. Jul 19, 2012
    Jamco6000

    Jamco6000 Member

    Baton Rouge, LA
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    Apr 14, 2012
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    About to start wiring my dauntless back up. I have drawn up what I think it should be wired as. The only thing I don't know is how to wire up the alternator. I have a picture of the alternator if someone could identify the terminals on it. If someone could also check out the wiring diagram make sure I didn't screw it up.

    [​IMG]

    [​IMG]

    Does anyone have a picture of the external resistor? or part number? I checked with autozone and 66+ doesn't show an external resitance but a 65 does. I didnt know if it was the same one. Mine looks like a white rectangle with two screw terminals on each end and a metal bracket that covers the middle and attaches to firewall. Sorry i thought i snapped a picture of it.

    Does the starter solenoid ground to engine block or frame?
     
  2. Jul 20, 2012
    1966cj5V6

    1966cj5V6 New Member

    San Diego, CA
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    I believe i still have the original motorola mounted in my cj. I will try an take some pics late tomorrow night.
     
  3. Jul 20, 2012
    timgr

    timgr We stand on the shoulders of giants. 2022 Sponsor

    Medford Mass USA
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    Go to the parts store and get a ballast resistor for a 1970 Dodge, just pick an app, say D100 318 - it'll work fine. http://www.rockauto.com/catalog/moreinfo.php?pk=933069

    Delco or Prestolite starter? Typically the solenoid grounds through the starter where it bolts to the bellhousing, with no actual ground cable.
     
    Last edited: Jul 20, 2012
  4. Jul 20, 2012
    Walt Couch

    Walt Couch sidehill Cordele, Ga. 2024 Sponsor 2023 Sponsor 2022 Sponsor

    cordele, Ga.
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    [​IMG]

    This is the normal rout for your years wiring (providing your wiring is very close to stock.
     
  5. Jul 20, 2012
    Jamco6000

    Jamco6000 Member

    Baton Rouge, LA
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    I do have the external regulator for the Motorola alternator. I'm upgrading to a 3wire 10si around 65 amps. Any recommendations? Can I upgrade to a distributor with internal resistor instead of buying a external resistor?
     
  6. Jul 20, 2012
    Walt Couch

    Walt Couch sidehill Cordele, Ga. 2024 Sponsor 2023 Sponsor 2022 Sponsor

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    If you are not running a bunch of extras or plan to in the near future, the 65amp will do fine. I think you mean coil with internal resistor. Yes that works well and gets rid of one more trouble area.
     
  7. Jul 20, 2012
    Jamco6000

    Jamco6000 Member

    Baton Rouge, LA
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    I have just heard bAd things about the 100+ amps not having the proper cooling. Pumping the extra amps without adding sufficent cooling. Only things I will have is a stereo and 8000xi warn and hei.
     
  8. Jul 21, 2012
    Walt Couch

    Walt Couch sidehill Cordele, Ga. 2024 Sponsor 2023 Sponsor 2022 Sponsor

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    A 100+ amp alternator is not putting out max amp all the time. The alt puts out a regulated amount to compensate for accessory draw and what the battery needs to maintain full charge. Delco makes a 420 amp alternator (special equipment) that does not have an auxiliary blower for cooling so why would a 100+ amp. Alt amp ratings are not 100% duty cycle.
     
  9. Jul 24, 2012
    Jamco6000

    Jamco6000 Member

    Baton Rouge, LA
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    Can someone recommend a part number for the ign coil with internal resistance or some specs to help me out at the parts counter?

    As far as alternators go, a 10si at 6 oclock around 100 amps with an internal voltage regulator. Either 1 wire self exciting or 3 wire. any adivce on tracking one down?
     
  10. Jul 24, 2012
    timgr

    timgr We stand on the shoulders of giants. 2022 Sponsor

    Medford Mass USA
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    Standard UC15 or UC15X.

    Mad Electrical has an page about how to buy an alternator, to get the clocking and rating you want. http://www.madelectrical.com/electricaltech/delcoremy.shtml
     
  11. Jul 24, 2012
    Jamco6000

    Jamco6000 Member

    Baton Rouge, LA
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    Still no spark..... I have it wired like Walt's diagram in post 4. Have been using http://mightymo.org/Proj_No_Spark.html to diagnose. I have a brand new resistor and a brand new ignition coil (just exchanged today). But i am getting 1.5 ohms though coil and 5.8 ohms with external resistor????? According to site i should have 8000 to 11000 ohms. I have no idea what wrong. Ballast resistor smoked the first time voltage went though it which I assume is normal, scared the hell out of me. Any suggestions?

    Edit, also have new dist rotor, points, condenser, wires and plugs.....
     
    Last edited: Jul 24, 2012
  12. Jul 25, 2012
    Walt Couch

    Walt Couch sidehill Cordele, Ga. 2024 Sponsor 2023 Sponsor 2022 Sponsor

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    The coil measurements (resistive) should me made with no wires connected. Resistive readings with wires connected will read backwards through other circuits giving you false readings and confusing the heck out of you. Voltage is what you should be looking for at this point. Make sure the points are open then turn ON the key. You should read battery voltage 12.5V+/- at the positive and negative posts on the coil. Now with key still ON, and points closed, the negative side of the coil should drop to about 9volts. Don't leave the points closed or ignition ON too long or it will burn the points. Ballast resistor. Some new resistors will produce a quick puff of smoke initially depending on what it has been exposed to. They do get quite hot after they have been on for a minute or two.
     
  13. Jul 25, 2012
    Jamco6000

    Jamco6000 Member

    Baton Rouge, LA
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    Update on my wiring as it is. If anyone can spot anything wrong with it. The motor turns over but no spark. I will be cleaning all electrical terminals and testing the coil for the 9 volts tonight

    [​IMG]
     
  14. Jul 25, 2012
    Jamco6000

    Jamco6000 Member

    Baton Rouge, LA
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    New problems, I'm getting6 volts at top of ignition coil how do i tEST the distributor?
     
  15. Jul 25, 2012
    Walt Couch

    Walt Couch sidehill Cordele, Ga. 2024 Sponsor 2023 Sponsor 2022 Sponsor

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    I made a statement error in my post #12 "the negative side of the coil should drop to about 9 volts.". It should have been positive side of the coil. The negative side should read zero or very near that if there is no resistance between the points.

    Your new problem... Test you distributor points to ground with the ohm meter. Open points reading is infinity and closed points the reading should be zero.
     
  16. Jul 26, 2012
    Jamco6000

    Jamco6000 Member

    Baton Rouge, LA
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    Today I discovered my point contact was never separating.... I am now getting 12 V at everything up to the inside of the dist cap. I am getting 0.6 ohms across my external resistor. 1.5 over my ign coil. I have redone my wiring today and am at a stand still with still no spark. What could the constant point contact mess up?

    [​IMG]
     
  17. Feb 22, 2013
    Posimoto

    Posimoto Hopeless JEEP Addict

    Minden, Nevada
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    Walt
    I see you have the BAT wire coming from the alt to the starter, then to the battery. Does that give the starter some extra cranking amps to use?
     
  18. Feb 23, 2013
    Unkel Dale

    Unkel Dale delivery on my Jeep from Ft. Campbell, Ky.

    Pittsburgh, Pa.
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    If you are keeping your motorola set up, the CARQUEST part number is 27-1728 FOR THE REGULATOR and is made in the USA

    I HAVE A SIMILAR MOTOROLA SETUP IN THE PHOTO, I HAVE ANOTHER LUG AND NO SPADE PIN ON THE FACE OF THE ALTERNATOR AND I TOO NEED TO DO THIS TO REPIAR MY NORMAL DAILY DRIVER AFTER MY CARB FIRE

    WILL YOU PLEASE POST PHOTOS OF ALL OF THE CONNECTIONS?

    THE SAINT PATRICKS DAY PARADE IS COMING SOON
     
    Last edited: Feb 23, 2013
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