Firewall Split Loom Routing
- Thread starter mikester
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If you've ever priced all the wire in the same factory colors, it's quite pricey. I thought about putting the whole harness on the table laid out and replace them all.
Then I priced it out 👎 It's too much to do that for me.
Hutch
In case youre interested, I bought wire to do the harness under the hood from a place called wire barn. They sell GXL automotive wire and theyre pretty cheap and they sell small amounts. I think most come in coils as small as 10'. If youre only doing the engine harness there isnt a lot of wire to buy. Really only a few colors. Red for power, purple to the starter, pink to the distributor all in 12AWG. Theres some other misc colors like dark and light green to the AC compressor. Some black and a brown to the alternator for the exciter wire. Most likely the light , wiper, and horn wires are all in decent shape. Maybe some other wires for gauges. All of those are thinner and less money.
You can also buy the correct Packard 56 and 59 terminals really cheap from multiple places in small amounts. Again, you wont need many. The biggest investment I made was buying the two crimpers from americanautowire but I wanted to make all of the crimps exactly like factory.
I guess if youre doing everything over to stock you might have to figure out how to take apart some of the connectors to all the emissions stuff but Im wiring a crate motor without the ECM. My biggest issue was getting info on wiring the new alternator which I got from guys here.
This is what I redid. Not much to it when you figure out what can be deleted. Redid the fusible links too.
Hard to really tell, and might not help since my fuse block has been relocated. The EFI harness enters the firewall directly behind the intake, and any factory wiring exits into the engine bay at same spot. For the prop valve plug there is a hole in the floor with a grommet.
if you look to the right of the steering shaft you'll see my loom.it's a bit cleaner.also i used the nylon over the plastic wire loom,it's a no brainer,no tape or ties.it wraps around itself.super clean working with/install.
www.summitracing.com
Summit Racing® Braided Wire Wraps SUM-890341
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www.summitracing.com
if you look to the right of the steering shaft you'll see my loom.it's a bit cleaner.also i used the nylon over the plastic wire loom,it's a no brainer,no tape or ties.it wraps around itself.super clean working with/install.
View attachment 148454Summit Racing® Braided Wire Wraps SUM-890341
Find Summit Racing® Braided Wire Wraps SUM-890341 and get Free Shipping on Orders Over $99 at Summit Racing! Tuck your wires into Summit Racing® braided wire wraps and you and your ride will both be happy. The wires will be protected from abrasion and damage, and you'll enjoy the nice, neat...
So everything runs down behind the motor ? Where did you put the compressor, alternator and sender wiring ?
I just got back from buying some insulated cable clamps. I was going to use 5/8" loom out from the bulkhead with the larger tee but after messing with all the wires I think I can use 1/2" instead. Of course thats more flexible and uses smaller connectors which will probably look a lot better. I was trying to use the OEM clamps but the insulated ones are a lot smaller. I didnt like the way they looked at first but I pulled the rubber off one and painted it with silver cadmium. Put the rubber back on and it doesnt look that bad.
Im heading back out there when I stop typing to see how I can make this look nicer. Maybe some pictures later in the day.
That might have been an option before I ran all the wires but at this point theyre all cut and most are connected. That ship sailed. LOL
where did i put all that stuff??a lady never tells..I'm sorry i couldn't get back to you today with this i've run out of time.if you're still interested i'll get with ya tomorrow after work.let me ask you how much of the engine wiring is done?alt/compressor etc etc.
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