1979 CJ5 Starts then dies (2) - JeepForum.com
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Unread 06-05-2014, 03:57 PM   #1
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1979 CJ5 
Join Date: Jun 2014
Location: Redwood City, California
Posts: 1
1979 CJ5 Starts then dies (2)

So... I want to keep this short bc there are MANY similar threads on this subject, but every issue is slightly different. I went to replace the stereo in my CJ, the wiring was a mess from the PO. previous stereo was jumped directly into the fuse panel. stereo install was not successful, and afterwords the jeep would start, but die within a second despite throttle input.

Step 1: read archive internet forms
Step 2: replaced all fuses
Step 3:replaced ignition module with new
Step 4:

Today, I found out keeping the key in the "start" position will keep it running, dies immediately when returning to "run".

I'm thinking I may have shorted something in the ignition at the steering column?? Haven't checked the coil or the distributor, but from what I read, the start vs. run test narrows this down. Any input appreciated for a noob.

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Unread 06-05-2014, 04:11 PM   #2
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1985 CJ7 
Join Date: Jul 2010
Location: The Mojave Desert Palmdale Ca. U.S.A.
Posts: 5,687
Wiring issue or ign switch itself.
'Start' and 'run' are 2 different circuits.
Do this-Run a jumper wire from the POS(+)side of the battery to the POS(+) side of the coil. Start it-Does it keep run'n now(if it does-pull jumper to 'kill' engine)?
Don't run it to long, with a full 12VDC feed'n the coil--
Have'n you along, is like loose'n 2 good men
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Unread 06-06-2014, 06:23 AM   #3
Mike Romain
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1986 CJ7 
Join Date: Nov 2007
Location: Off the Grid in Chester Grant, Nova Scotia, Canada
Posts: 18,090
Check the coil positive for volts when the key is in run. Should be 12 V there.

Under the dash on the side of the steering column not far from the ignition switch plug is a white plug on a red wire with white stripe. This is where a factory tach would hook up and is the main ign power line. Maybe you knocked that loose?
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Unread 06-06-2014, 06:35 AM   #4
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1981 CJ7 
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Location: Bali, Indonesia
Posts: 5,189
Aounds like you have a bad ballast wire or resistor. However it could just be no power down the red with tracer wire in Run.

It is not fused, it is fed from the switch
BagusJeep lives in Bali.

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