Ignition Switch Question |
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Lee MN
Member Joined: 13 Aug. 2008 Location: Harris, MN Status: Online Points: 4923 |
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Excellent advise right there! 👍🏽👍🏽👍🏽 Lee |
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LEE
44 GPW-The Perfected Willys 49 2A “If you wait, you only get older” 67 M715 American Made Rolling History |
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jeepsterjim
Member Joined: 13 July 2011 Location: lincoln, ca Status: Offline Points: 1274 |
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I used that term to hopefully help ID which cable to use. Many people have trouble understanding that the polarity was reversed years ago. POS cable is like a modern Jeeps Neg. LOL this might be more confusing then what I wrote!. I bet you knew what a meant though.
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Jim
CJ-2A - 81299 |
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jeepsterjim
Member Joined: 13 July 2011 Location: lincoln, ca Status: Offline Points: 1274 |
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with a test light hooked up between the POS cable ans POS post and a circuit is "on" the test light will light up OR a buzzer will buzz. Now one can trace down the "hot" circuit. We would pull one fuse at a time from the fuse pannel and see if the test light went out. Then explore that circuit to find the problem. Willys did not have many fuses or circuits but one can still track down the circuit that's draining the batt. Just go slow and easy. |
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Jim
CJ-2A - 81299 |
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Bruce W
Member Joined: 29 July 2005 Location: Northeast Colorado Status: Online Points: 9611 |
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Actually, either cable can be used, for the purpose of this test, it doesn’t matter whether the vehicle is positive or negative ground. Either way, it is safer to disconnect the ground cable first, so I use that one. BW
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It is NOT a Jeep Willys! It is a Willys jeep.
Happy Trails! Good-bye, Good Luck, and May the Good Lord Take a Likin' to You! We Have Miles to Jeep, Before We Sleep. |
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uncamoney
Member Joined: 26 June 2019 Location: greeley co Status: Offline Points: 451 |
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You have circuit breakers? My old MB had one that was used. The only fuse was for the FM radio. I think it was an old radio Jeep as there were 4 more breakers under the dash and an interesting bit of wireing under the passenger seat.
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john
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havasujeepn
Member Joined: 16 Aug. 2019 Location: LHC Arizona Status: Offline Points: 107 |
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I've been doing a lot of testing and am finding a lot of old wiring that probably should be replaced. I've been looking in the service manual for specifications on what gauge wire is used.. Is there one size that is used throughout the system or are there different sizes? If someone could direct me to what page or a link, I would very much appreciate it. Don't really want to spend hundreds of dollars for a wiring harness that I probably won't use, unless I'm restoring my jeep. Oh, by the way, I'd like to thank all of you for the excellent suggestions on how to find the drain in the system. You guys are awesome!
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48 Lefty
SN 183244 ACM 173419 Engine 195912 Block 641087-L-W4 |
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Steelyard Blues
Member Joined: 09 Oct. 2017 Location: Reno, NV Status: Offline Points: 1483 |
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There is a link on the wiring diagram page that I originally posted. It will answer all your questions.
I'm with you regarding the cost of a new harness. A few hours and an assortment of ends, solder and heat shrink, I made my own. I have zero electrical issues and I know exactly how it works. Micah
Edited by Steelyard Blues - 13 May 2020 at 2:24am |
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1947 CJ2A 106327, Engine J109205, Tub 97077. Luzon Red
https://www.thecj2apage.com/forums/steelyard-blues_topic41024_post397981.html?KW=micah+movie#397981 1965 Johnson Furnace Company M416 #6-1577 |
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havasujeepn
Member Joined: 16 Aug. 2019 Location: LHC Arizona Status: Offline Points: 107 |
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Micah, Holy moly...all my questions answered. I honestly didn't look at the whole page when you sent it last night. Thanks. I also noticed, in your signature, that your 47 is colored Luzon Red. That's what the original color of mine was and I'm thinking of getting it back to that color. Where did you purchase the paint?
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48 Lefty
SN 183244 ACM 173419 Engine 195912 Block 641087-L-W4 |
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Steelyard Blues
Member Joined: 09 Oct. 2017 Location: Reno, NV Status: Offline Points: 1483 |
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Mine has been repainted several times. It is currently orange and my neighbors, ignoring my protests, have named her the "Orange Blossom Special."
Someday, I will return her to Luzon Red, but for now it is nice to have a vehicle that I don't worry about getting dinged in the parking lot. The tailgate was not painted when I got her. I had the underside scanned and matched to a color: Micah I really wish I would have labeled my pictures.
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1947 CJ2A 106327, Engine J109205, Tub 97077. Luzon Red
https://www.thecj2apage.com/forums/steelyard-blues_topic41024_post397981.html?KW=micah+movie#397981 1965 Johnson Furnace Company M416 #6-1577 |
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mrbill
Member Joined: 23 Jan. 2011 Location: United States Status: Offline Points: 29 |
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havasujeepn, Did you ever track down the source of your current draw/battery drain?
Bill
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havasujeepn
Member Joined: 16 Aug. 2019 Location: LHC Arizona Status: Offline Points: 107 |
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Hi Bill. Every time I touched a terminal on the voltage regulator, it showed a current running. So I ordered a voltage regulator. I'll start with the new VR and then go from there, if there is still a drain. I noticed the PO ran a long cable for ground and hooked it up to where the starter is attached to the engine. The cable has to be at least 2-1/2 to 3 feet long. The ground cable for sale at KW is 16". Where is your ground attached? And does it matter?
David
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48 Lefty
SN 183244 ACM 173419 Engine 195912 Block 641087-L-W4 |
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Steelyard Blues
Member Joined: 09 Oct. 2017 Location: Reno, NV Status: Offline Points: 1483 |
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I recently installed a new battery. Ithawk11 was kind enough to point out that the negative cable is attached to the front of the battery tray.
You should have a ground strap gong from the frame to the engine at the right motor mount. Micah
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1947 CJ2A 106327, Engine J109205, Tub 97077. Luzon Red
https://www.thecj2apage.com/forums/steelyard-blues_topic41024_post397981.html?KW=micah+movie#397981 1965 Johnson Furnace Company M416 #6-1577 |
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havasujeepn
Member Joined: 16 Aug. 2019 Location: LHC Arizona Status: Offline Points: 107 |
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Micah, I just checked and there is a hole at the front of the battery tray where the neg cable should be attached. Whoohoo! And yes, there is a ground strap going from the frame to the engine at the right motor mount. Thanks for the location. Much appreciated!!
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48 Lefty
SN 183244 ACM 173419 Engine 195912 Block 641087-L-W4 |
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mrbill
Member Joined: 23 Jan. 2011 Location: United States Status: Offline Points: 29 |
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I have a 6V 1945 GPW so there are probably a few more grounding straps than your CJ. (There is one in front of the battery tray and to the motor mount as described above, though.) Interestingly, I just measured a .3-.4 volt drop on my jeep, too. For now I'm just disconnecting the battery at the end of each run until I figure out what is causing it. Bill
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havasujeepn
Member Joined: 16 Aug. 2019 Location: LHC Arizona Status: Offline Points: 107 |
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Rec'd the new VR this week and finally installed it this morning! I checked for any drain, as suggested, and there wasn't any. I also installed a new ground cable for the battery and attached the end to the hole at the front of the tray. The engine started right up, without even having to pump the gas pedal. Mind you, it had been setting for 5 days without running. THAT was a first. I also purchased a new + cable. So in my exhuberance(?), I started to install that cable. What I didn't do, was disconnect the ground and I accidently touched the battery hold down rod and it caused a spark. Now my whole electrical system is dead. Jumped in and tried to start the engine, no response. Even the lights don't come on. Is there a changeable fuse in our little 2A's or did I just blow up the VR or something? Also, I removed the braided ground wire from the engine to the frame, yesterday, and hadn't replaced it yet. Was on the to-do list. Any suggestions or scoldings would be appreciated.
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48 Lefty
SN 183244 ACM 173419 Engine 195912 Block 641087-L-W4 |
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jeepsterjim
Member Joined: 13 July 2011 Location: lincoln, ca Status: Offline Points: 1274 |
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Long shoot here but look at the light switch there either is a fuse or circuit breaker there.
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Jim
CJ-2A - 81299 |
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havasujeepn
Member Joined: 16 Aug. 2019 Location: LHC Arizona Status: Offline Points: 107 |
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There is a circuit breaker. Is it a one use thing or can it be reset? Can't figure it out just by looking at it.
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48 Lefty
SN 183244 ACM 173419 Engine 195912 Block 641087-L-W4 |
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jeepsterjim
Member Joined: 13 July 2011 Location: lincoln, ca Status: Offline Points: 1274 |
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It should reset itself.....but who knows after 70 years. make up a jumper or get a inline fuse and attach alligator clips to the ends and by pass the circuit breaker and see what gives. a 20 amp fuse should work for testing. |
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Jim
CJ-2A - 81299 |
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