Universal 12 Circuit Wiring Harness with Install Package

Our prewired 12 circuit kit will fit all your basic needs and makes wiring a painless process. It is designed especially for the street rod without accessories. It also includes horn relay and connector, turn and hazard signals, dimmer switch connector, circuit breaker for headlights, two flashers, one alternator plug, two ignition switch connectors, plus more.

In addition to the 12 circuit universal harness, the Wiring Package includes PowerBraid Conduit, connectors, and all of the essential wiring tools necessary for a smooth and professional installation!

Kit Includes:

(1) Speedway Universal 12 Circuit Wiring Harness

This harness was designed to offer you all the highest quality components in a package designed for cars with minimum accessories. Each wire is color-coded and labeled every few inches.

• Main fuse box base is 1-7/8" x 3-11/16"
• Box height is 3-3/4"
• Uses spade mini fuses
• Over 12 ft. total length
• Kit has two flashers for turn and hazard and they are the 2 prong style
• 30 amp fuse for heat/cool
• Two 30 amp relays, one each for the horn and electric cooling fan
• Horn and electric fan both have 20 amp fuses in dedicated circuits
• Main harness is over 12’ in length to satisfy most applications
• Headlights are on a 30 amp fused circuit
• Copper wire

Installation Tip:  The back of the fuse block un-snaps from the fuse block (see above photos).  By releasing the back unit from the fuse block, the installer is able to then mount the back unit where required for installation purposes and then re-snap the fuse block assembly back into the base unit.

(1) Titan Tools 22400 Heat Gun

• 12.5 Amps 120V Heat Gun
• Ideal for plastic welding, shrink tubing, and paint stripping
• Dual temperature setting
• 3 position rocker switch: off, high & low
• Durable ABS body
• Double insulated
• 6 1/2 ft. cord
• Rated Power: Low Setting 750W, High Setting 1500W
• Blowing Speed: Low Setting: 10CFM (280 L/min), High Setting: 17CFM (480 L/min)
• Temperature: Low Setting: 572 degrees, High Setting: 932 degrees

(1) Titan Tools 11475 Self Adjusting Wire Stripper

• Automatically adjusts to strip 24 - 10 AWG wire and cable
• Crimps 22 -10 AWG insulated and non-insulated wire terminals
• Crimps 7 - 8mm ignition terminals
• Wirecutter
• Comfortable TPR hand grips

(1) Titan Tools 11477 Ratcheting Wire Terminal Crimper

• Ratcheting mechanism design
• Adjustable crimping compression
• Steel jaw
• Color-coded wire sizes
• Red 22-18AWG-DIN 0.5-1.0mm
• Blue 16-14AWG-DIN 1.5-2.5mm
• Yellow 12-10AWG-DIN 4-6mm

(25 piece) Pico 2264G Seamless Butt Connectors, Blue 16-14 AWG

• Insert Stripped Wires Into Connector
• Crimp Apply Heat Until Solder Sleeve Melts
• Continue Heating Until Adhesive Flows & Tubing Shrinks
• Cool For a Perfect Watertight Connection

(25 piece) Pico 2254G Seamless Butt Connectors, Red 22-16 AWG

• Insert Stripped Wires Into Connector
• Crimp Apply Heat Until Solder Sleeve Melts
• Continue Heating Until Adhesive Flows & Tubing Shrinks
• Cool For a Perfect Watertight Connection

(25 piece) Pico 2248G Seamless Butt Connectors, Clear 24-22 AWG

• Insert Stripped Wires Into Connector
• Crimp Apply Heat Until Solder Sleeve Melts
• Continue Heating Until Adhesive Flows & Tubing Shrinks
• Cool For a Perfect Watertight Connection

(1) Muscle Braided Nylon Split Wire Harness Wrap Kit

Finish the job right with our complete Muscle Braided Nylon Split Wire Harness Wrap Kit. Contains all the appropriate diameter wire wrap, ties, and tape.

Our Muscle Braided Nylon Split Wire Harness Wrap is the modern and easy to install solution for new or existing wiring harnesses while providing a sleek, modern appearance. Your wiring is securely and attractively bundled in a durable automotive-grade braided nylon sleeve and installation is simple thanks to an overlapping split opening that requires no tools.

• Flexible braided nylon wire loom protects wires from heat and abrasion
• Laterally split overlapped opening retains wires without the need for tape or tie wraps
• Resistant to major automotive chemicals and oils
• Includes:
  • 30 feet of 1/8 inch Braided Nylon Split Wire Loom
  • 30 feet of 1/4 inch Braided Nylon Split Wire Loom
  • 25 feet of 1/2 inch Braided Nylon Split Wire Loom
  • 10 feet of 3/4 inch Braided Nylon Split Wire Loom
  • 12 feet of Quick Seal Tape
  • 5 Mag Daddy Small Zip Tie Mounts, 16lb
  • 171 Piece Heat Shrink Tubing Assortment
  • 25 Black Zip Tie with Mount Hole, 14 inch
  • 25 Black Zip Tie with Mount Hole, 6 inch

(1) Titan Tools 11436 Digital Circuit Tester Electrical Test Light

• Check your circuits digitally with this volt tester from Titan Tools
• Highly acurate voltage readout and is very easy to use
• Circuit test light with digital voltage number readout
• Gives you an actual voltage value
• Detects voltage, power, ground, and circuit integrity
• LCD screen is backlit
• For use with 6/12/24 volt DC electrical systems
• LED indicator: green (-) / red (+)

12 Circuit Wiring Harness Instructions (PDF)

Turn Signal Wiring Information (PDF)