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Unread 11-23-2012, 01:43 AM   #1
xnodesirex
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1978 CJ7 
 
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EZ Wiring Question

Been slowly re-wiring my '78 CJ7 from scratch with an EZ-Kit. I got the larger of them (21 circuit) for future expansion, but wiring up the engine is driving me a bit crazy due to the crappy diagrams.

I've checked JH amazing diagrams, and they've helped in a few earlier steps, but this one has me puzzled. I'm planning a full write up on how to install the harness just in case anyone else tries this endeavor.


There is a fat red wire labeled (solenoid power). I have that running to the same side of the solenoid as the battery/alternator, and currently the jeep will turn over/run.

BUT.

There is no 'sense' wire for the alternator. There is an excite wire (white), which is run to the #1 spot on the alternator.

Also, there is a red wire (not fat, maybe 12g?) that is labeled "alternator power." Where does this go?! Hooking up a volt meter to it tells me that it receives constant voltage, so I'm a bit stumped.

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Unread 11-23-2012, 06:14 PM   #2
dslywalker
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Just giving you a courtesy bump.A write-up would be great.Sure would eliminate a lot of questions.Good Luck
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Unread 11-24-2012, 12:38 AM   #3
xnodesirex
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Quote:
Originally Posted by dslywalker View Post
Just giving you a courtesy bump.A write-up would be great.Sure would eliminate a lot of questions.Good Luck
Pretty sure I've encountered most/all of them thus far -- and I haven't even started the dash yet! Haha.

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Unread 11-25-2012, 03:31 AM   #4
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ttt
anyone?
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Unread 06-04-2013, 07:29 PM   #5
altier04
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dont know if you still need help but im hooking one up on my 78' also and my alternator had a post on the back where that red wires hooks up. it also has a 2 wire plug tucked on the motor side kind of hiding underneath.
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Unread 06-04-2013, 07:35 PM   #6
clmelt1
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I have the same harness I'm my cj5 with a 304, I used this diagram with the diagram that came with the kit. How this helps.
https://docs.google.com/file/d/0Bxel.../preview?pli=1
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Unread 06-04-2013, 08:17 PM   #7
Pacfanweb
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How does the EZ harness go through the firewall? Stock type bulkhead connector, or their own unique one?
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Unread 06-04-2013, 08:34 PM   #8
burley
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How does the EZ compare to Painless? I'll be rewiring mine soon. Don't mean to hijack the thread.. BUMP!
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Unread 06-04-2013, 10:43 PM   #9
xnodesirex
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Don't know how EZ compares to painless, other than a few hundred less expensive.

Everything had labels, which was a big plus, BUT required you to figure out lengths, terminations, and sometimes where things went. Old CJ wiring diagrams were a lifesaver, but I waited until the last minute to lock things down. After I ran the wires in the harness, I went back and ran my relays (Horn Relay, Headlight Relay), added independent grounds back to a bus bar for all of the headlights, horns, taillights, starter, solenoid, alternator and dash/gauges. So it probably was wire overkill, but at least I have complete confidence that I'm not going to randomly encounter things not working. Haha.

To one of the earlier questions - it has its own bulkhead connector, but was SMALLER in the fuseblock than the historical. Similar mounting studs (so no new holes), but I took a piece of aluminum to fill in the gaps.
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