Good Start/Hard Start/No Start -
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post #1 of 3 Old 05-25-2010, 06:14 AM Thread Starter
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1984 CJ7 
Join Date: May 2010
Location: Ousley, GA
Posts: 88
Good Start/Hard Start/No Start

Long time user of a similar forum - new here.

Here is my setup. No computer/emissions. Clean, well maintained CJ

1984 258 w/2100MC, MSD 6a, TFI Coil, Team Rush Upgrade.

Upgraded to the MSD last year and swapped out my several times rebuilt 2100 for a newer, freshly rebuilt 2100. The CJ had been running like a top ever since. Lately it has sat for a month here and there without being used. Recently started to use it on a more regular basis and it became harder to get it to start

This morning I could not get it to start at all so I decided to quit messing around an fix it. Checked and verified the MSD, coil, carb shooting good fuel, plugs ok, verified timing/ TDC.

Pulled the distributor cap (brass) and found a little corrosion on the electrodes. Cleaned it off and pulled the #1 plug for a spark test. Had my wife turn it over while I looked. Turned over twice and it was running and shorting on the block before she could shut it off. Figuring I had fixed the problem (corrosion in the cap) I buttoned everything back up and went to start it up.

Nothing. Same as before. Crank, crank, crank - won't even cough.

How could it fire and run with the #1 plug out and do nothing with it all back together? Is this a clue? Ground?

I have since tested for spark through the distributor and I'm getting nothing. Suspecting a bad stator - but could this be ground related? I plan to readdress all of the grounding routes when I get home but I'm looking for some thoughts.

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post #2 of 3 Old 05-25-2010, 06:38 AM
Mike Romain
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1986 CJ7 
Join Date: Nov 2007
Location: Off the Grid in Chester Grant
Posts: 18,083
The stock ground is the hold down foot on the distributor so adding a dedicated ground to the black wire coming out of there is a good thing to do.

The stock pickup in the distributor can be tested using an ohm meter. Orange and purple should show between 400-800 ohms with 600 being nicest between them. Neither of those wires should show continuity to ground.

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post #3 of 3 Old 05-25-2010, 07:48 AM Thread Starter
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1984 CJ7 
Join Date: May 2010
Location: Ousley, GA
Posts: 88
Confirmed bad stator.
Pulled stator had --- for ohms. That's bad.
New replacement from NAPA 624 ohms.

Plan on adding additional/dedicated ground to the stator.

The fact that it started with the plug pulled and grounded still has me wondering.
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