Dedicated ICM ground Write-up - Jeep Wrangler Forum

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Old 05-31-2013, 06:01 PM   #1
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I'm not sure if this has been done yet, but I figure while I was in the "Write-up" mood, I'd throw this up as well and maybe the pictures could help some other people out...

Your only ground for the electronic ignition goes across the distributor hold down clamp and bolt. On a greasy engine , especially after adjusting the timing, the ground could be intermittent. It can cause temporary loss of ignition signal...

There are 3 wires coming out of the distributor body, 2 of these you used for the Nutter (but you can still do this without doing the Nutter bypass). The third is a black wire, it is the ground for the ICM. Follow that black wire back to the ICM and splice in another wire. I only followed it back to just above the coolant tank and then cut the ground wire. After stripping both ends of the wire I stripped an additional wire and held the three together with a clamp and soldered them together using a small torch and soldering material. (I'm terrible with a soldering iron)



Attachment 256103



Attachment 256104



Run this extra wire to a good, clean, solid ground. I ran it up to the ground location on the grille by the driver's side headlight. You can run your dedicated ground wire to another ground location on the body or frame (whatever you'd like) but I figured this was a good location as it was one of the few existing ground points on the driver's side and was easy to access.


Attachment 256105


Hope this helps some people out! Feel free to comment with any questions and I would GLADLY answer them - though this is a fairly straight forward "modification."

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