'79 CJ7 Engine electrical questions - JeepForum.com

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post #1 of 6 Old 04-23-2012, 08:13 PM Thread Starter
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'79 CJ7 Engine electrical questions

Hey guys, I'm fairly new to jeeps and I'm on the tail end of a full body off restoration. I have hit a few problems rewiring the engine electrical. Probably some very stupid questions, but I have a few extra wires left over. First of all, what hooks up to the starter and from where? I am having troubles with the Haynes diagram. Second, I have a fiberglass tub, and the negative battery terminal grounds to the engine block. Do I need to now ground the block to the frame? Any help would be appreciated, I can't for the life of me figure it out. Probably an important note, I have a rebuilt 258.

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post #2 of 6 Old 04-23-2012, 08:25 PM
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Here's the wiring diagram you need. Save this to a file, and print it up. You can never have too many GOOD grounds. To the block, to the frame, to the grill shell, dash, etc....

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post #3 of 6 Old 04-23-2012, 09:35 PM Thread Starter
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This diagram is clearer than the haynes, but still serves to confuse the hell out of me.
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post #4 of 6 Old 04-23-2012, 09:57 PM
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Yea these get me every time,the best way is not to look at the whole picture but to pick out the starter find the wires and use a hi-liter pen to trace where they go. computer pictures are a pain to look at but the other thing i do is save these to a flash drive,take it to a print house and have them do a small run of 10 at 24 inches by 48 inches work for good for wiring diagrams of this size.Way back when i used full scale drawing like these to build a complete wiring harness, so the bigger the better and it's easier on the eye's.

Last edited by paulsalchow; 04-23-2012 at 09:58 PM. Reason: spelling but still missed something somewhere.
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post #5 of 6 Old 04-23-2012, 10:29 PM Thread Starter
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That's a good idea. I should go and get a huge copy printed. Thanks for the tips on here
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post #6 of 6 Old 04-24-2012, 02:24 AM
John Strenk
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Probably more than just grounding the frame.
Any electrical device mounted on a fiberglass part needs an individual ground. Nicest is to have a single ground point and run all grounds to this point.
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battery , electrical , ground , starter , wiring

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