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Topic Review (Newest First)
03-07-2014 10:16 AM
67chevytruck Wow they must of really shot up I picked mine up for 250 20 circuit. Went in like a breeze!
03-07-2014 10:09 AM
Originally Posted by 67chevytruck View Post
Get an update harness on LMC comes in 20 circuit and 13. All the wires are even labeled every 6'' along the wire.
Those are the most expensive harnesses I've seen. Harnesses run from around $140 up to $450, which the consensus here says are top of the line, then the ones at LMC are over $600 !!

I'm an LMC customer but I don't think they sell too many of those.
03-07-2014 09:30 AM
67chevytruck Get an update harness on LMC comes in 20 circuit and 13. All the wires are even labeled every 6'' along the wire.
03-07-2014 07:55 AM
33Willys77 I have done many, many with Kwik Wire. Labled, numbered and colored. Instructions are in a book and is also in color. KWIK WIRE Electrify Your Ride
03-07-2014 07:47 AM
Originally Posted by EOD Guy View Post
I like Corel, the SCH program snaps to the grid etc.... it's used to draw printed circuit board traces
Great idea. I never thought of using my circuit programs to layout the electrical system. I make the solid state auto cancel (inertia based) turn signal, flasher, brake light controller. The controller in the Pantera is slightly different as it uses an optical encoder I made to cancel the turn (Patents filed on both).

I think I still prefer the Corel for the drawings though; especially if they get complex. It is easy to adapt different drawings and colors:

Each circuit panel an relay bank is drawn out such as this:

They are living documents and constantly changing. At that point the excel file becomes more useful to me as to where each item hooks up to. I can go to the master electrical diagram but the excel file pointing to where they go is the key which works for me.
03-07-2014 02:50 AM
PRHeloPilot That Haywire module is exactly what I was looking for to replace the original donor I have from an old Camaro when I started my research. Since I'm not a shop and this is just my personal restoration I figured by the time I buy all the wires in different sizes it'll be cheaper to just buy a kit. The fact that the wires are labeled will make my life way easier too, again since I'm not a shop or mechanic, just an average joe.

They're all pretty much in the same price range $160 to $200 then suddenly jump to $400 with nothing in between.
03-06-2014 05:40 PM
EOD Guy I like Corel, the SCH program snaps to the grid etc.... it's used to draw printed circuit board traces
03-06-2014 05:02 PM
gow589 That's pretty cool. I did draw mine in Corel Draw but I did not keep up with the drawing. I did however keep up with the excel file. Maybe when it is done I will update the drawing. I am afraid right now the sun rises and sets too fast!
03-06-2014 04:27 PM
EOD Guy That's way cool, I used the painless kits, I like them but they will not provide a wiring diagram, period! ended up drawing one using a freeware program called "Express SCH" once you get used to it makes a great wiring diagram. I attached part of mine...
03-06-2014 07:55 AM
gow589 I did something a little different on my Pantera. I have a lot of electrical accessories, power steering pump, trans cooler pump, fans, etc. The car is a mid engine car. I hated the electrical panel under the dash. I moved it to the front trunk. I used a Hawire TA panel:

I like it because I like the terminals. Some projects will have a lot of changes over it's life and I expect this car to be a little bit of a rolling experiment. With terminals I can change things out pretty easy.

When I set it up I got the parts to re wire the box so I can extend the wires and move the terminals to where I have room. Then I added relay panels for every fan, pump or anything else I suspect a relay would be needed.

It's not as clean as I would like it right now, but I am working on it:

The rear firewall has it's own set of fuses and relays:

There is a lot of items on the electrical. Even the heater box is scratch built with 8 servos and a custom circuit which operate the heater box a little different then a traditional heater.

With every wire rad individually, I have kept a couple of spread sheets to keep all the wiring connections sorted out. I use a heat shrink labeler for most wire. As long as the terminals on the fuse box and relay connections are updated on the spread sheet and diagrams it is pretty simple to follow the wires.
03-06-2014 06:23 AM
Originally Posted by PRHeloPilot View Post
I'm leaning heavily towards using the Speedway 20 Circuit GM Wiring Harness Part # 91064027 for around $165 plus shipping.

Has anyone used a Speedway harness?
I bought one of these
My first impression was it was a nice kit---still may be.

I have wired a few different cars so I tend to really examine a harness
to get a bit familiar with it. (Using different kits)

Have found errors in a couple of the kits and returned one due to mismarking

Now--the 20 circuit speedway kit

Found an error that could be a bit troublesome to someone wanting to use that particular circuit.
Since that kit is so inexpensive, I thought I would send a note to who I "Thought" may have produced the kit.

The reply I got was pretty much that that kit is a cheapo chinese copy
of a major supplier over here.

The box the kit comes in--------(except for the printing)
All of the instruction sheets-----(except for name in lower corners)
And virtually everything else about the kit
is a COPY of a first run kit of our USA supplier.

Right down to the wire numbers, spelling, drawings and yes---even the afore mentioned error in the documentation.

I bought the kit from a suggestion on one of the forums I visit.
Had I known it was a "copy" I would not have purchased it.

Have made several modifications to it as it is going into a Falcon Based Ranchero.

So---use this info as you see fit.
03-06-2014 02:35 AM
Has anyone used Speedway?

I'm leaning heavily towards using the Speedway 20 Circuit GM Wiring Harness Part # 91064027 for around $165 plus shipping.

I'm restoring a 49 Ford F1 and it'll end up with electric fiberglass tilt front, power seats, cruise control, A/C & Heater, alarm system, electric door openers on shaved doors, so that's why I decided to go with 20 circuits instead of the 12.

Has anyone used a Speedway harness?
01-07-2013 04:37 PM
cal1320 EZ wire for mine. All wires labeled.
01-05-2013 04:42 PM
panhead1961 I called my buddy at Slicks Rod Shop in Roanoke VA, he has been selling Autowire to most of the guys and they were all satisfied with the harness.
I'm going with American Autowire Highway 22 harness. Little more money but as
JoeG and 302 Z28 said..get what you pay for.

Thanks for all the replies!!

01-04-2013 11:30 AM
nthogdog Hot Rod wires for me.
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