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Unread 03-20-2013, 10:57 PM   #31
only in a jeep cj
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The reason some of you are thinking the original posters picture of the plug was for the clock, is because there is a similar plug that plugs into the rear of the clock. The wires are coming out from the fuse box main loom and are too short to reach the clock. Instead there is a short harness that powers the clock and another harness that powers the lights for both the tact and clock. Both harness plug into keyed slots in the fuse box (not a hanging wired plug). Both are grounded with a ground ring under the dash. See picture below.



Now back to the plug at hand. In I think 76 or 77 the under dash lights became available. The light switch turned and clicked counterclockwise turned them on. There were hardtops at this time, but not with hardtop rear lights. These are the older thick style tops from 76 to 80. 80 to 86 had the lighter tops with the rear dome light. The 80 to 86 dash harnesses used at his time also had the plug at the fuse box for the hardtop dome light. The rear light harness that runs under the drivers door plugs into the flat plug by the fuse box and now had another set of wires for the rear light in this loom. It has its own plug with a constant orange hot and a switched black. It is activated along with the two dash corner lights as well when the light switch is turned....same switch, 76 to 80 just dash lights, 80 to 86 dash and rear light came on. Here's the two plugs coming out of the rear light loom



For the whole door pin switch deal, only the Limited models came with them as seen above the door strap



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Unread 03-21-2013, 02:59 AM   #32
John Strenk
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And as mentioned, only works with the hard doors.

Thanks for researching this out. only_in_a_Jeep_CJ

All CJ light switches from 76 had a ground point to turn on interior lights.
But they were wired differently from what I could see.
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Unread 03-21-2013, 07:38 AM   #33
Matt1981CJ7
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Only,

Thanks for the explanation.

I just wish I could find the other end of this damn dome light plug-in. Is it possible that my '81 has the older style harness without it?

Good grief, I can make the simplest electrical chore seem like building a space shuttle.

Matt
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Unread 03-21-2013, 07:45 AM   #34
John Strenk
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So wich plug do you have? The one running to the rear?
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Unread 03-21-2013, 08:10 AM   #35
Matt1981CJ7
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Quote:
Originally Posted by John Strenk View Post
So wich plug do you have? The one running to the rear?
Yes. It runs under the drivers door and to the rear of the tub. It has plugins on both ends.

Obviously the rear plugs to the hardtop. Where the other end plugs to under the dash isn't so obvious.

Matt
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Unread 03-21-2013, 08:40 AM   #36
keith460
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Either your not seeing it or some PO has cut it away.

Back at the rear corner on the drivers side is the connection for the dome light.


And if you follow that same wire loom back up to the front where it ends, you should have the two plugs. One for the taillights and one for the dome light.
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Unread 03-21-2013, 08:53 AM   #37
Matt1981CJ7
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Thanks Keith,

That's exactly how I assumed it should be, but I can't seem to find the female portion of the dome light plug under the dash.

Part of my problem is my aging 6'-4" body won't contort in a position to adequately look for it. I'll pull a mirror out and see if I can spot it.

Sorry for the hijack, OP.

Matt
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Unread 03-21-2013, 09:41 AM   #38
sanmiam
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Matt1981CJ7 - do you have the pigtail that runs from the fuse box to the back of the jeep or no? If you are missing it I know I removed it from mine and I am 90% sure it is sitting in my garage. If you need it its yours.
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Unread 03-21-2013, 09:45 AM   #39
frhrwa
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Quote:
Originally Posted by fourbtgait View Post
Works good for hard doors, but soft or no doors with a bikini top.....

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ok... well this is really tough, but if you reach in behind and on the side of your light switch, find the little button, push it and pull the light switch knob out.. remove the nut, let it dangle where you can just unplug it from the harness.. note if there is an empty lug on it.. now check with a meter or drawing to see if when you turn your light knob all the way right or left, if it clicks into position and puts out a ground.. simple.. if not, replace your switch with one that does... simple..
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Unread 03-21-2013, 09:57 AM   #40
Matt1981CJ7
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Quote:
Originally Posted by sanmiam View Post
Matt1981CJ7 - do you have the pigtail that runs from the fuse box to the back of the jeep or no? If you are missing it I know I removed it from mine and I am 90% sure it is sitting in my garage. If you need it its yours.
Yes, as I stated, I do have the dome light pigtail. I just can't find where it plugs to under the dash.

Thanks for the kind offer, though, I'll get it figured out, eventually.

Matt
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Unread 03-21-2013, 10:03 AM   #41
jakwi
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speaking of missing plugs, does anyone know if an adapter for a 4 pin yj hard top to the two spade hardtop style connector on the CJ is available? I rigged up two wires, but it would be nice if I had a clean adapter plug.
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Unread 03-21-2013, 11:55 AM   #42
sanmiam
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Quote:
Originally Posted by jakwi View Post
speaking of missing plugs, does anyone know if an adapter for a 4 pin yj hard top to the two spade hardtop style connector on the CJ is available? I rigged up two wires, but it would be nice if I had a clean adapter plug.
It would probably be easier to cut and solder the CJ and YJ plugs to trailer harness style plugs. I am sure the the YJ plug is probably just 2 positive and 2 negative wires, so it should not be hard to do.
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Unread 03-22-2013, 12:24 AM   #43
frhrwa
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if your pigtail is blk and orange, plug it in at the back drivers corner to the plug going up to your dome light.. then put 12volts on the orange up under the dash, and touch the black lead to ground .. when you ground the blk, the dome light will come on.. that's the purpose of the door plunger switches, or the light switch with dome light position..
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