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Unread 01-14-2013, 02:51 PM   #1
minipunch
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"EMGCY DRIVE" dash light? 79' cj7

I am wondering if any of you can tell me what one of the very few cj7 dash lights means. It says "EMGCY DRIVE" and is red when illuminated. It will alternate between illuminated on not illuminated frequently but usually is stuck on. It is on the bottom right of the circular glass housing the speedometer.

What is this?!? I have attached a picture

imag0397.jpg  
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Unread 01-14-2013, 02:56 PM   #2
Coiz
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It is basically the 4x4 light to let you know when it is in four wheel drive.
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Unread 01-14-2013, 03:24 PM   #3
CSP
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Emergency drive is only on the '76-79 CJ7s with an automatic transmission and the Quadratrac tcase.
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Unread 01-14-2013, 03:27 PM   #4
skizriz
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And you don't want to be driving on the street with it in E-drive.

You need to find out if it actually in E-drive,or a faulty signal.
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Unread 01-15-2013, 12:19 AM   #5
Cutlass327
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I'm going to wire mine to the switch on the D300 to light it up, since it is there, the switch is there, and I can do it. Originally the D20 didn't have a switch or anything to do that with.
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http://www.jeepforum.com/forum/f8/ri...8-cj5-1223197/
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Unread 01-15-2013, 02:12 AM   #6
John Strenk
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^^^^
Yep that's what I did also.
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Unread 01-15-2013, 07:36 AM   #7
lucdog
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Quote:
Originally Posted by John Strenk
^^^^
Yep that's what I did also.
John, it's my understanding the switch in the transfer case goes to ground when in E-drive on the Quadratrac. Same for the Dana 300, am I correct on this.

So if in fact this is correct, and the OP's light is flashing, the switch is possibly bad, the wire is grounding out somewere, or it is in E-drive and the connection is loose at the transfer case, causing a intermittent light.

Bill
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Unread 01-15-2013, 07:51 AM   #8
jumbojeepman
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Being that I see a shifter lever in the pic, I'm guessing that he actually doesn't have a Quadratrac transfer case.
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Unread 01-15-2013, 08:11 AM   #9
John Strenk
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Quote:
Originally Posted by lucdog View Post
John, it's my understanding the switch in the transfer case goes to ground when in E-drive on the Quadratrac. Same for the Dana 300, am I correct on this.

So if in fact this is correct, and the OP's light is flashing, the switch is possibly bad, the wire is grounding out somewere, or it is in E-drive and the connection is loose at the transfer case, causing a intermittent light.

Bill
Yes You are quite correct.
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Unread 01-15-2013, 08:22 AM   #10
lucdog
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Thanks John.

So for the OP, I would check the wiring under the hood for the IIRC orange wire on the passenger side. It normally has a fabric sheath around it. My guess is its just hanging somewhere and rubbing on the frame or tub.
In order to run the light off a switch in the dash, like others have done, you would need to find the ground wire behind the speedo for the light. Tap into that wire, and run another up to a switch, then ground the other lug on the switch to a ground point on the dash.

Bill
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1957 WILLYS pickup, needs work.
1973 J 4000,
1978 CJ7 DD.
1979 CJ7 360, TH400/Quadratrac trail Jeep.
1979 J20
1980 CJ5 trail Jeep.
1983 CJ7 pretty weekend and sometimes to work Driver in the summer, My first rebuild, if the Q-trac and 5 are broke, this one is the one to take. its just as capable as the other 2, except nice paint.
1984 Grand Wagoneer, 1 ton axles, great 360/727, and a big a$& tree fell on it .
1989 YJ the CJ to YJ conversion.
2005 TJ Rubicon.
2011 Grand Cherokee Laredo 4x4, Mrs. LUCDOG's DD.
Lots of parts not for sale, i'm a hoarder.
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Unread 01-15-2013, 11:36 AM   #11
Cutlass327
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Do either of you have a wiring diagram of this system and or at least one with a D300? I have yet to dig into it, one of my low priority "to do" items, but a diagram to see how AMC did it would be handy to have. I do have a FSM wiring diagram for a 78 though, but it would still have the D20 wiring.
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1978 CJ5 258/T177/D300, '86 D30/D44 WT axles, 'glass tub windshield frame, and fenders, 31x10.5 BFG A/T, TDK galv'd frame - DD and weekend toy

http://www.jeepforum.com/forum/f8/ri...8-cj5-1223197/
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Unread 01-15-2013, 07:01 PM   #12
minipunch
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Thanks for the responses guys! I will have to look into it with this new knowledge!!
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Unread 01-15-2013, 08:43 PM   #13
BagusJeep
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Mini,

If you fill in your Profile the answers will be more specific. Still wrong but specifically wrong!!!!
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Unread 01-15-2013, 09:34 PM   #14
lucdog
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Quote:
Originally Posted by BagusJeep
Mini,

If you fill in your Profile the answers will be more specific. Still wrong but specifically wrong!!!!
Would you care to be more Specific on what exactly was wrong with any of the posts in this thread.

Cutlass, sorry, I don't.
Bil
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1957 WILLYS pickup, needs work.
1973 J 4000,
1978 CJ7 DD.
1979 CJ7 360, TH400/Quadratrac trail Jeep.
1979 J20
1980 CJ5 trail Jeep.
1983 CJ7 pretty weekend and sometimes to work Driver in the summer, My first rebuild, if the Q-trac and 5 are broke, this one is the one to take. its just as capable as the other 2, except nice paint.
1984 Grand Wagoneer, 1 ton axles, great 360/727, and a big a$& tree fell on it .
1989 YJ the CJ to YJ conversion.
2005 TJ Rubicon.
2011 Grand Cherokee Laredo 4x4, Mrs. LUCDOG's DD.
Lots of parts not for sale, i'm a hoarder.
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Unread 01-16-2013, 06:58 AM   #15
John Strenk
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Specifically I think he was being facicious meaning the even if you give all the details of your jeep, we could still give you the wrong advice, it will be 'specifically' wrong for your year not just generally wrong.
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