I have decided to rewire my aging wiring loom and upgrade it to execute all the little upgrades I have in mind. I am by no means an electrical master, but I know the importance even our 70's cars need. My plans for my '74 260z is to wire tuck, hide the wires in the engine bay to be nearly nonextant, and to also include motor sport techniques to make quality upgrades. All wires will be replaced by Tefzel wire and Raychem heat shrink. the point is to make a bulletproof wire loom and to have fun working on this project and making it special. Now for everyone's benefit i will be updating this with all the stock wiring specs as they are on my car with what ever has happened to this car in the past 45 years. I will come up with a Key to understand the small database i am trying to start. the end goal is to help others in their wiring  projects.

the github link: https://github.com/youztheclue/S30-Spec.git

KEY:

      System name: Subsection

      Detailed description to-from/Route

      #gauge(American), Stock color, My new color for reference

      Stock length, New route with reasons for change, length of heat shrink for specific subsection

      Expected electrical load, name of oe connector/number of wires, new connector style and size

Hopefully I can create something useful here: and I encourage others to comment, tips, hints, hidden secrets and their own data and I will add it to my data set.

Update: I now have the entire front half from the firewall to bumper measured and mapped out. Will be updating soon.

Lights: Exterior

Headlights

Detailed description to-from/Route

      #gauge(American), Stock color, My new color for reference

      Stock length, New route with reasons for change, length of heat shrink for specific subsection

      Expected electrical load, name of oe connector/number of wires, new connector style and size

Turn Signals

Detailed description to-from/Route

      #gauge(American), Stock color, My new color for reference

      Stock length, New route with reasons for change, length of heat shrink for specific subsection

      Expected electrical load, name of oe connector/number of wires, new connector style and size

Taillights

Detailed description to-from/Route

      #gauge(American), Stock color, My new color for reference

      Stock length, New route with reasons for change, length of heat shrink for specific subsection

      Expected electrical load, name of oe connector/number of wires, new connector style and size

Brake Lights

Detailed description to-from/Route

      #gauge(American), Stock color, My new color for reference

      Stock length, New route with reasons for change, length of heat shrink for specific subsection

      Expected electrical load, name of oe connector/number of wires, new connector style and size

Lights: Interior

Dash

Detailed description to-from/Route

      #gauge(American), Stock color, My new color for reference

      Stock length, New route with reasons for change, length of heat shrink for specific subsection

      Expected electrical load, name of oe connector/number of wires, new connector style and size

Map

Detailed description to-from/Route

      #gauge(American), Stock color, My new color for reference

      Stock length, New route with reasons for change, length of heat shrink for specific subsection

      Expected electrical load, name of oe connector/number of wires, new connector style and size

Wipers:

Motor

Detailed description to-from/Route

      #gauge(American), Stock color, My new color for reference

      Stock length, New route with reasons for change, length of heat shrink for specific subsection

      Expected electrical load, name of oe connector/number of wires, new connector style and size

Fluid Pump

Detailed description to-from/Route

      #gauge(American), Stock color, My new color for reference

      Stock length, New route with reasons for change, length of heat shrink for specific subsection

      Expected electrical load, name of oe connector/number of wires, new connector style and size

Engine: Starting

Fuel Pump

Detailed description to-from/Route

      #gauge(American), Stock color, My new color for reference

      Stock length, New route with reasons for change, length of heat shrink for specific subsection

      Expected electrical load, name of oe connector/number of wires, new connector style and size

Ignition

Detailed description to-from/Route

      #gauge(American), Stock color, My new color for reference

      Stock length, New route with reasons for change, length of heat shrink for specific subsection

      Expected electrical load, name of oe connector/number of wires, new connector style and size

Coil 

Detailed description to-from/Route

      #gauge(American), Stock color, My new color for reference

      Stock length, New route with reasons for change, length of heat shrink for specific subsection

      Expected electrical load, name of oe connector/number of wires, new connector style and size

Electric Choke

Detailed description to-from/Route

      #gauge(American), Stock color, My new color for reference

      Stock length, New route with reasons for change, length of heat shrink for specific subsection

      Expected electrical load, name of oe connector/number of wires, new connector style and size

Engine: Constant for running

Electric Fan(s)

Detailed description to-from/Route

      #gauge(American), Stock color, My new color for reference

      Stock length, New route with reasons for change, length of heat shrink for specific subsection

      Expected electrical load, name of oe connector/number of wires, new connector style and size

Alternator

Detailed description to-from/Route

      #gauge(American), Stock color, My new color for reference

      Stock length, New route with reasons for change, length of heat shrink for specific subsection

      Expected electrical load, name of oe connector/number of wires, new connector style and size

Fuel Injection

Detailed description to-from/Route

      #gauge(American), Stock color, My new color for reference

      Stock length, New route with reasons for change, length of heat shrink for specific subsection

      Expected electrical load, name of oe connector/number of wires, new connector style and size

Ignition

Detailed description to-from/Route

      #gauge(American), Stock color, My new color for reference

      Stock length, New route with reasons for change, length of heat shrink for specific subsection

      Expected electrical load, name of oe connector/number of wires, new connector style and size

Dash/Instruments:

Gauges

Detailed description to-from/Route

      #gauge(American), Stock color, My new color for reference

      Stock length, New route with reasons for change, length of heat shrink for specific subsection

      Expected electrical load, name of oe connector/number of wires, new connector style and size

Switches

Detailed description to-from/Route

      #gauge(American), Stock color, My new color for reference

      Stock length, New route with reasons for change, length of heat shrink for specific subsection

      Expected electrical load, name of oe connector/number of wires, new connector style and size

Luxury:

Heater/Fan

Detailed description to-from/Route

      #gauge(American), Stock color, My new color for reference

      Stock length, New route with reasons for change, length of heat shrink for specific subsection

      Expected electrical load, name of oe connector/number of wires, new connector style and size

A/C

Detailed description to-from/Route

      #gauge(American), Stock color, My new color for reference

      Stock length, New route with reasons for change, length of heat shrink for specific subsection

      Expected electrical load, name of oe connector/number of wires, new connector style and size

Radio

Detailed description to-from/Route

      #gauge(American), Stock color, My new color for reference

      Stock length, New route with reasons for change, length of heat shrink for specific subsection

      Expected electrical load, name of oe connector/number of wires, new connector style and size

Power Windows

Detailed description to-from/Route

      #gauge(American), Stock color, My new color for reference

      Stock length, New route with reasons for change, length of heat shrink for specific subsection

      Expected electrical load, name of oe connector/number of wires, new connector style and size

Power Door Locks

      Detailed description to-from/Route

      #gauge(American), Stock color, My new color for reference

      Stock length, New route with reasons for change, length of heat shrink for specific subsection

      Expected electrical load, name of oe connector/number of wires, new connector style and size

Edited April 4, 20195 yr by youztheclue

Care to put the code/database into GitHub? I’ll follow along and help ? 

 

i wanted to to make one for hardware/bolts

Sure um I'm going to look into doing that. I've visited GitHub once or twice but never really used it. i linked the git hub after the intro.

https://github.com/youztheclue/S30-Spec.git

Edited April 4, 20195 yr by youztheclue
new link

im striping my engine bay now and also trying to learn GitHub which is no easy task. tomorrow i will be stripping back the wiring loom to get and accurate readings.

Update on the wiring. I have the whole front engine bay harness unwrapped. It's undone all the way to the firewall. I'm going to remove and add a couple wires, shorten some, replace others. A nice rewrap and the electrical will be good while I create the really nice loom on the bench.

The mostly OEM harness and the added on wires from: horn, HIDs, LEDs, dual electric fans.

 

 

Edited May 21, 20195 yr by youztheclue

I just put my engine back together and started the engine up. Also all the electrical components are working. So now that I know everything I have is working good I will start updating this with all the notes that I have. Also I will do the same on GitHub.