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Project Odin Electrical Overhaul (1973 Javelin) |
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billd
Moderator Group Forum Administrator Joined: Jun/27/2007 Location: Iowa Status: Offline Points: 30894 |
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I skimmed - ADHD - didn't read word-for-word............ |
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JeeperJolene
AMC Apprentice Joined: Feb/11/2018 Location: The Big Globe Status: Offline Points: 66 |
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Okay, so I need to trace this back to the pink wire splice and splice the yellow from the HEI into that. With all of these splices running through the ignition switch and with how brittle the wiring is, I'm wondering if it's better to do some more rewiring now instead of later. Especially now that I know the HEI was wired incorrectly.
Instead of running the juice through the ignition switch, would it instead be better to have the ignition switch run position activate a relay, which would then distribute power to the HEI, original fuse block ignition feed, starter solenoid, etc. via a small junction box? Also, since this isn't using points coil anymore, is a resistance wire even necessary at this point?
Edited by JeeperJolene - Feb/18/2018 at 12:40am |
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pit crew
Supporter of TheAMCForum Joined: Jul/08/2007 Location: delete Status: Offline Points: 5341 |
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73 Hornet - 401EFI - THM400 - Twin Grip 20 |
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JeeperJolene
AMC Apprentice Joined: Feb/11/2018 Location: The Big Globe Status: Offline Points: 66 |
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I would agree with you, but it seems a lot of the stock wiring has been damaged from heat or overload. Most of the factory splices are weak (at least the ones I've found so far) and the factory fuse board is toast.
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6768rogues
AMC Addicted Joined: Jul/03/2007 Location: United States Status: Offline Points: 6231 |
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So far I have done 3 cars with Painless harnesses, model 10101. They have the GM style steering column connector. I put the fuse block where the stock fuse panel was and go from there. It is not hard but takes some time. Everything works perfectly the first time and I have used them for over 15 years without any problems.
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Content intended for mature audiences. If you experience nausea or diarrhea, stop reading and seek medical attention.
Located usually near Rochester, NY and sometimes central FL. |
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billd
Moderator Group Forum Administrator Joined: Jun/27/2007 Location: Iowa Status: Offline Points: 30894 |
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I would consider a relay to power the HEI - that way the ignition feed wouldn't carry hardly any load at all. The resistance wire isn't necessary with HEI - and with your mods especially. |
But if you pull a lot of the stock stuff out as far as wiring please save it - you'd be amazed at the stuff I have used from old wiring harnesses I've been lucky enough to obtain. I hate to see any of it tossed as I salvage a lot of stuff from them. Interesting enough, if I were to ever have that car in the future, if somehow I ended up with it, I'd be doing the exact opposite - putting things back.......... I like simple. |
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JeeperJolene
AMC Apprentice Joined: Feb/11/2018 Location: The Big Globe Status: Offline Points: 66 |
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I like simple too, but I also like safe. If you want the fried wiring harnesses then you're free to take them, but there is a reason why almost none of the electrical system works. Pretty much only the ignition stuff works and some things will light on fire if you try to turn them on, including the AC/heater.
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JeeperJolene
AMC Apprentice Joined: Feb/11/2018 Location: The Big Globe Status: Offline Points: 66 |
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I spent the day at the junkyard on Monday and scored two fuse boxes (and one relay box) out of early 90's XJs and one out of a 2001 XJ (spare for mine)!
It's all cleaned up and I'm going to get to work planning the wiring of it. Matt form BleepinJeep actually has an awesome video with this exact fuse block, although I won't be following exactly what he has. |
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JeeperJolene
AMC Apprentice Joined: Feb/11/2018 Location: The Big Globe Status: Offline Points: 66 |
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Okay, so I did some tracing and this system has been pretty butchered from the original wiring.
Here's what it appears to be now: Here's step one with the new internally-regulated alternator: I'm seeing the following connected to the ignition feed:
I think the diagram above may be for a 74 because it has the seatbelt interlock system, but I don't have all of the wires for that. Edited by JeeperJolene - Feb/24/2018 at 1:23am |
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vinny
Supporter of TheAMCForum Joined: Jan/05/2012 Location: Calgary Status: Offline Points: 2837 |
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A GM CS130 as supplied on an 89 Pontiac Safari will probably be almost a bolt in alternator replacement. It comes with a V pulley whereas newer versions come with a Serpentine pulley. You would need to cut the back of the base down from 2" to 1" or modify your bracket. It would be nice if there was a P/N out there somewhere that the alternator base has been cut back as a Motorola replacement.
Edited by vinny - Feb/24/2018 at 9:24am |
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