12V wiring diagram |
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captianpattson
Member Joined: 07 Apr. 2010 Location: ST GEORGE, UT Status: Offline Points: 770 |
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Posted: 03 May 2011 at 12:42am |
Its time to start wiring things up. I've looked around and found quite a few wiring diagrams for stock 6v but none really for a 12V alternator set up. This is the diagram from cj-2a.com. I've changed it to my understanding but I'm sure there are some holes in it. Let me know what you think.
Here's my alterations:
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bkreutz
Member Sponsor Member Joined: 17 Oct. 2006 Location: Fruitland Idaho Status: Offline Points: 7037 |
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That's the general idea, just replace the generator and VR wiring with the 1 wire from the alt. On mine I put a dummy VR on the fender, then ran wires from the Alt (one real and 2 dummies) to the VR and then used a maxi fuse inside the VR housing and wired it to the ammeter, this was all for appearance.
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warbrds
Member Joined: 29 Dec. 2010 Location: Marysville, WA Status: Offline Points: 235 |
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Hi
Here is what I will be doing. 1 wire alternator, 12V. The thread is in jeep projects, "Curlew Flat Fender re-wire"
Still have not added the fuses into the diagram
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Mark
1946 CJ2A "When you're out of Sixes, you're out of Interceptors" |
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p3ferris
Member Joined: 22 July 2005 Location: Norfolk Nebraska Status: Offline Points: 3812 |
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captain... yours is wrong. You have no way to start your engine with a switch to the solinoid. Unless I am looking at it wrong.
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Ed
cj2a lefty |
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frydaddy
Member Joined: 03 Feb. 2011 Location: Clarion, PA Status: Offline Points: 59 |
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Yea, the thin orange wire to the solenoid should lead to your switch.
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captianpattson
Member Joined: 07 Apr. 2010 Location: ST GEORGE, UT Status: Offline Points: 770 |
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Beautiful! Thank you guys so much! That is exactly what I needed.
p3ferris: I knew I forgot something
Warbrds: Couple questions on your diagram. Does it matter which terminals you connect stuff to
(+ or -) on the ammeter. There is a positive and negative on the meter. Also on your alternator, you only have one wire going to it, is the one in the diagram the one to the BAT terminal or sensing #2?
On your solenoid I take it that the two thicker lines are the two larger posts on either side? Thanks again!
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warbrds
Member Joined: 29 Dec. 2010 Location: Marysville, WA Status: Offline Points: 235 |
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I went to my local auto electric shop with whom I have dealt with many times. I bought a 1 wire Delco alternator from him. The BAT wire goes through the Amp gauge to the Pos terminal on the battery. You do not use the Field or Sense wires. I also had him set it up so produce current at low RPM, this is important as a lot of alternators have a coming in speed above 1500 to 2000 RPM. Mine will be producing juice as soon as it is turning. Takes a little rewiring inside, which the auto electric shop did for me.
Yup my solenoid is set up that way.
Without looking at the Amp gauge I believe it is BAT wire to + and then on through to the positive terminal on the battery.
You can run the BAT wire directly to the battery if desired, just will not have a charging indication from a gauge. I like having the guage
Hope this helps some
Mark
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Mark
1946 CJ2A "When you're out of Sixes, you're out of Interceptors" |
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Longhunter
Member Joined: 13 Dec. 2006 Location: Meridian, MS Status: Offline Points: 2171 |
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Here is a diagram I found on the net for your alternator:
and another: |
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Mike in Mississippi
2006 Jeep Rubicon 1946 CJ2a #49667 1946 Bantam T3-C #7909 1 UNDERSTANDING Wife "2 wrongs don't make a right but 3 rights will make a left".... Gallagher |
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Longhunter
Member Joined: 13 Dec. 2006 Location: Meridian, MS Status: Offline Points: 2171 |
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Here is my altered 2a wiring diagram:
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Mike in Mississippi
2006 Jeep Rubicon 1946 CJ2a #49667 1946 Bantam T3-C #7909 1 UNDERSTANDING Wife "2 wrongs don't make a right but 3 rights will make a left".... Gallagher |
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OverlandMan
Member Joined: 27 Apr. 2009 Location: Rowlett, TX Status: Offline Points: 544 |
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Captain,
If you want to use relays (which I highly recommend) to carry the load for headlamps and other high-amp drawing circuits, take a look at my diagrams here: http://www.thecj2apage.com/forums/topic11156_post163198.html#163198 - scroll down, they're at the bottom of the page. I've got the same 12V Delco alternator that you've got. |
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captianpattson
Member Joined: 07 Apr. 2010 Location: ST GEORGE, UT Status: Offline Points: 770 |
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Wow. These are perfect. Thanks so much everyone, This should be everything I need.
Mark and Mike, Your diagrams knock the socks off mine
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porsskar
Member Joined: 28 Sep. 2010 Location: Finland Status: Offline Points: 1441 |
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Captain, your first diagram on the thread is exactly what I built and it works fine but I do not have a clue how to continue as I will need to build in the turn signals in the system, have you got a good wiring system for that as well?
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Sten from Finland
1947 CJ2A serial 94118 1949 8NAN Ford tractor 1965 Mahoghany Snipe FIN 14018 |
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captianpattson
Member Joined: 07 Apr. 2010 Location: ST GEORGE, UT Status: Offline Points: 770 |
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No I don't. Here in Utah if it didn't come with the vehicle originally it is not required (seat belts, wipers, washers, turn signals) Thats just one thing I don't have to worry about , but you are required to do hand signals. Walcks sells a turn signal kit that straps to the steering column for about $37. I'm sure it comes with instructions. I'd find out who has installed one here before and find out what you need. Hope that helps.
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TERRY
Member Sponsor Member Joined: 22 May 2007 Location: BOULDER COLORADO Status: Offline Points: 3400 |
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Sten,
I put on an aftermarket turn signal that clamps on the column. It does not interface with the brake lights as some do, so I added extra rear lights and used 2 relays to allow the front parking lamps to work as both park and turn signals. I have the circuit diagram somewhere if you want it. I found it here on the forum so you could try a search. |
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BOULDER 48 2A
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p3ferris
Member Joined: 22 July 2005 Location: Norfolk Nebraska Status: Offline Points: 3812 |
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Ed
cj2a lefty |
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porsskar
Member Joined: 28 Sep. 2010 Location: Finland Status: Offline Points: 1441 |
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Thanks, this helps me, will ask Walcks for the kit.
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Sten from Finland
1947 CJ2A serial 94118 1949 8NAN Ford tractor 1965 Mahoghany Snipe FIN 14018 |
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skibumwilly
Member Joined: 22 Aug. 2013 Location: CO Status: Offline Points: 7 |
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Hey all, This is my Second time posting and I have an electrical question or two.
I apologize in advance for hacking up a beautiful wire diagram.
I have a CJ2a with an Fhead motor, 12v alternator and walcks wiring harness written for a generator setup. Between the walcks wire diagram and warbirds diagrams I have gotten the jeep running and turnkey. I have noticed 3 things however, my battery drains and is not getting recharged, and I am not getting any readings on the amp gauge, and high oil pressure (different topic 80-100psi) I have double checked the wiring and all looks good, and I am at the point of starting to replace parts? But before I did I wanted to start asking for Ideas? The alternator has the jump wire from the bat post to the sensing2 port and then the long wire to the left side of the amp gauge. IT does not have anything attached to the Field1 port. Does it need field 1 connected? My solenoid is on the starter, the main (+) battery cable goes to the large post, and another wire from the amp meter to the large solenoid post (has large copper D shaped end). My Dist and coil appear to be fine, the coil has the resistor from 12v to 6v internal (new). Part of the wiring harness from walcks continues to the bat post on the headlight switch. I also dont have a terminal block on my Jeep as shown in the diagram below. I assume this was the 12v to 6v resistor that mounted to the firewall? Do I have the alternator wired wrong or a possible bad alternator? Below is what I have so far, for review and help, My Ign switch is set up more like the longhunter pic. link to the Jeep running https://www.facebook.com/photo.php?v=1478990212334641&l=2106381432443027904 |
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samcj2a
Member Sponsor Member x 5 Joined: 21 Oct. 2006 Location: Arlington, VA Status: Offline Points: 8549 |
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