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Discussion Starter #1
I could use a wiring diagram for a 78 CJ7....or could someone tell me what wires go where when doing this swap. have the distributor wire figured out and have the alternator hooked up and it goes in to the amp guage and back out to the fuse box, but which wire gets hooked back to the battery to charge it....and which wire goes to the starter.....I could hook up a auxiliary switch but rather not.....any help is appreciated. need info on other wires also....like which is for temp guage etc so diagram w/color codes would be great...and save time tracing wires.

also since the tranny shop decided to keep the lines that run to the radiator what do I do for new ones?? do I jsut go to parts store and order them or can I just get the fittings that screw into the tranny and run hose with clamps or is it to high of a preasure for that!!

[ 09-11-2001: Message edited by: Donny O ]
 

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Discussion Starter #3
Originally posted by DesertJeeper:
<STRONG>3 Words...


Haynes Repair Manual.</STRONG>
I have one....actually I think it is a clymers, but it doens't tell me shit as far as wiring goes.....actually it has been pretty useless all the way along. maybe a haynes is better and has wiring diagrams??
 

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Dude,

I bought my CJ after the 350 swap had been done and found a real rats nest under the hood. I bought 3 different CJ manuals and none of the wiring under the hood matched the book except for the lines that run to the back of the jeep for lights, etc.

Electrical is always a PITA. During a really bad afternoon under the hood, I decided to order a new harness and had them on the phone ready to go untill they told me the price. I decided I hadn't "spent" ~$400 under the hood yet trying to figure it all out.

What you ought to do is go get a large legal pad and a couple of pens. Pull all your looms apart, but dont disconnect anything. Go in and make your own wiring diagram one wire at a time. In my case I was able to eliminate all the connections under the hood except for 7. 1. MSD --> distributor 2. Battery --> MSD 3. Alternator --> battery 4. Battery to Fuse Box 5. Water Temp sensor 6. Battery ---> horn. 7. headlights

Get back to the basics and take each system by itself.

Good Luck
 

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Discussion Starter #5
well I have very limited time to get this thing going and out of my buddies house....like I have til sunday and in that time I am available to wrok on it for about 4-5 hours and was trying to not spend the whole time chasing wires. was hoping someone would know of a wiring diagram or know which color whire comes from the fuse box to the starter(originaly to a sylonoid on the fenderwell) and which went to the alternator from fuse box.....we followed the one from alternator and it goes to the guage then back to the fuse box....does that one also go to the battery? that is what I need to get it runnign and out of his shed....the rest(temp and such) I can figure out as I go!
 

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Originally posted by Donny O:
<STRONG>maybe a haynes is better and has wiring diagrams??</STRONG>

Haynes has better wiring diagrams then the factory service manual. Dig in!

I labeled all my wires when I did my engine swap. When I removed a wire from something I promptly labled it.

You quickly find out that very little is needed. Like the post above, I think I have about 10 wires remianing in my engine compartment... most of them shared between the alternator and starter solenoid.
 

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Discussion Starter #8
Originally posted by DesertJeeper:
<STRONG>
Haynes has better wiring diagrams then the factory service manual. Dig in!

I labeled all my wires when I did my engine swap. When I removed a wire from something I promptly labled it.

You quickly find out that very little is needed. Like the post above, I think I have about 10 wires remianing in my engine compartment... most of them shared between the alternator and starter solenoid.</STRONG>
well we tore it apart 2 years ago and the guy helping said we dont' need to label them it will be easy to know what to hook where.....well he was wrong....he is used to building derby cars that don't need anything.

I have most everything figured out....jsut have 2 left to figure out and was hoping someone could tell me something like 'take the whatever color wire...it comes from the switch and goes to the sylonoid, and the whatever color wire goes back to the alternator'. I bought the haynes manual last night and it has a wiring diagram but is a bit hard to follow at some points. but I guess we will get it figured out.....wouldn't be a problem if I wasn't so short on time. I will have a bout 4-5 hours of free time to work on it and I have til saturday to get it out of there or he is hauling it to the junk yard and I have too much money in it for that!!
 

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Discussion Starter #10
Originally posted by DesertJeeper:
<STRONG>What do you need to get hooked up as far as wires go?</STRONG>
I need to know which wire gets ghooked back to the battery to charge it from the alternator. the wire that is conected to tha alternator goes to the guage and then to the dash/fuse block(assuming this is power to everything else).....one has to go to the battery but which one. also which wire comes from the ignition switch to the starter sylonoid to turn it over. that is what I need....have the rest fugured out.

I also bought tranny lines last night....less than $10 for both!! jsut need to bend them myself!!
 

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Discussion Starter #11
WOOHOO.....I got it wired enough to start it and I think charge the battery. it took a while to start since the engine has been sitting for 2 years.....turned a bit slow for a while then was only hittin on a few cylinders then after about 20-30 seconds they all kicked in.....hopefully I will be able to make time to get the tranny lines in today.....other wise I will jstu haul it home. but hey it runs!!! I have my motor mounts on the top hole and I think this makes it sit too low for the tranny linkage to fit right....might ahve to raise it!!

another thing....I got headers from 4WD hardware and after running for 30 seconds all the paint started burning off.....what a waste of paint!!! if it aint hi-temp why put it on there.....sheesh!!
 

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Painted headers aren't hardly worth it. Go ceramic or go home. You get what you pay for. <IMG SRC="smilies/clown.gif" border="0">
 

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Discussion Starter #13
Originally posted by CJBull:
<STRONG>Painted headers aren't hardly worth it. Go ceramic or go home. You get what you pay for. <IMG SRC="smilies/clown.gif" border="0"></STRONG>
well wasn't really looking for 'show' headers and wasn't looking to spend that kind of money. needed exhaust that would fit and I like the sound of headers.....I jsut assumed the paint would 'rust' off and not burn off in the first 30 seconds.
 
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