Speedway 12 Circuit Universal Muscle Car Wiring Harness w/ Detailed Instructions

Description

Perfect for restoration projects, custom vehicles or budget-minded DIY builders, Universal design for nearly any 12-volt vehicle – great for engine swaps!, Plug-and-play with 1968-96 GM tilt steering columns (can be spliced into others), Uses modern blade-style ATO/ATC fuses in place of outdated glass fuses, Tail light leads are 12 ft. in length
12-Circuit Mini-Fuse Universal Hot Rod Wiring Harness Kit
Sku # 91064017
Mfr. Part # 91064017
Condition
New
Brand
Speedway Motors
Sold
Each
Details
Notes
Switches and relays are available individually:
Fusible Link
Headlight Switch
Dimmer Switch
Horn Relay
Fuse Block Repair Kit
Universal Turn Signal Switch
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
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.
Info
Our universal wiring harness is the perfect solution for vehicles with no reproduction harness options, custom builds, or the budget-minded DIY builder. This compact hot rod wiring harness works with nearly any 12-volt vehicle, engine, and transmission combination (carb or EFI, automatic or manual), including engine swaps. This 12-circuit wiring harness is ideal for basic vehicles with minimal power accessories.
A compact fuse box mounts discreetly out of view, or choose an open installation for easy access. Harness consists of 4 branches that are strategically bundled to simplify installation. The 12-foot-long tail light leads allow easy mounting in most compact and mid-size vehicles.
Plug-and-Play with GM Tilt Columns
Wiring up the steering column controls can be a daunting task, but our harness makes it easy. This harness plugs directly into most GM-style tilt steering columns. It connects to aftermarket tilt columns from ididit, Flaming River or Speedway Motors, as well as factory GM tilt columns from 1968-1996 cars, trucks and vans (see our full list of compatible GM columns). If you’re sourcing a column from the junkyard, look for one with a flat “ribbon” plug, either 3-7/8” or 4-1/4” long (with 10 or more wires). Ignition switch plugs to connect “keyed” GM columns are also included in this kit.
Not using a GM tilt column? No problem. This harness easily splices into other steering columns with the included pin-out wiring diagram (it helps to have a wiring schematic for your vehicle here, too). Wires are conveniently bundled and labeled every 6 inches - just take your time and be attentive when splicing it in.
Modern High-Quality Insulated Wire
Patches and splicing are tedious and unreliable. Your car deserves better! Start fresh with modern polyethylene-insulated, stranded bare copper wire. Each harness is constructed from premium quality GXL automotive wiring, with the appropriate wire diameter for each fused circuit (ranging 8 to 16 gauge). Every strand of this wire harness is covered with a high-temperature (-40°F to +257°F) outer coating, color coded, and labeled to aid in a smooth installation for any DIY enthusiast. In other words, you can expect the same quality of automotive wiring used by the big 3 OE manufacturers.
Modular Design with Modern Fuses
An innovative 2-piece fuse block design gives easy service, fuse replacement, and endless mounting solutions. Mount the baseplate and then clip in the fuse block assembly. The clip-in fuse block detaches easily for service and arrives complete with modern ATO/ATC blade fuses and a common 2-prong style flasher. No more fragile, corroded glass fuses! Crimp connectors and terminals are included to get you started right away.
Conveniently Bundled Wires
Our universal 12-circuit harness consists of 4 branches that are conveniently bundled, so you can get started right away. Here’s a quick rundown of those branches:
Front of vehicle/engine feed wires (EFI engines will need an additional engine-specific harness)
Dash panel instrument feed wires (mechanical or electric gauges)
Ignition/lighting feed wires
Rear of vehicle feed wires
The included 5-page instruction booklet, with color printed pictures, covers each of these pre-bundled circuits in detail.
Features
Perfect for restoration projects, custom vehicles or budget-minded DIY builders
Universal design for nearly any 12-volt vehicle – great for engine swaps!
Plug-and-play with 1968-96 GM tilt steering columns (can be spliced into others)
Connects directly to aftermarket tilt columns from Speedway Motors, ididit & Flaming River
Works with nearly any engine/transmission combination (carb or EFI, auto or manual)
Tail light leads are 12 ft. in length
Constructed of GXL insulated, automotive-grade copper wiring
High-temp polyethylene insulation makes it viable in engine compartments
Includes appropriate wire diameter for each fused circuit (ranging 8 to 16 gauge)
Compact 3.7” x 1.9” x 3.8” fuse block mounts discreetly out of view
Two-piece fuse block design makes for easy fuse block removal/service
Uses modern blade-style ATO/ATC fuses in place of outdated glass fuses
12 individually fused circuits, conveniently bundled into 4 “quick start” bales
Each wire strand is color-coded and labeled every 6” for easy identification
Complete wiring harness kit weighs less than 7.5 lbs. installed
Replacement Parts are available individually: Fusible Link, Headlight Switch, Dimmer Switch, Horn Relay, and a Fuse Block Repair Kit.
Charts
(PDF)
(PDF)
WARNING: Cancer and Reproductive Harm -- p65Warnings.ca.gov
Specs
Sold in Quantity
Each
Number of Circuits
12
Compatible with GM Column
Yes
Fuse Block Included
Yes
Fuse Style
ATO/ATC
MFG. Part #
91064017
Notes
EFI engines will need additional engine-specific harness.
Ignition Key Location
Column or Dash
Reviews
I would buy again.
Rated
by Artie on June 11, 2021
Summary:
This will go in my T-bucket. It could have had a better mount for the fuse block, however I made one and adapted it to the block to screw right into the car's inner firewall. The price on this kept shooting up, so ordered one before it was out of range.
Yes, I recommend this product.
Product is nicely label !!
Rated
by Antonio on April 23, 2021
Summary:
You must know how to read a one line diagram ...
Pros:
Fast delivery
Yes, I recommend this product.
Would buy it again
Rated
by Ed on March 30, 2021
Summary:
Love it
Cons:
Some of the labels on wire was fanta hard to rey
Pros:
Very easy to install good quality wires love it
Yes, I recommend this product.
easy to follow instructions
Rated
by Mike on March 27, 2021
Summary:
started off a little confusing but after workingon it they are all going totheir propper place
Yes, I recommend this product.
Top quality
Rated
by Brent on March 09, 2021
Summary:
Good product but with a couple flaws. Diagram for instruments shows wire number for instrument lights but diagram for wiring harness has no wire with that number on it. Also fuse block looks like it slides and clips into some type of mounting piece but doesn't come with anything or way to mount it.
Yes, I recommend this product.
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How To Wire Your Street Rod Instructional Guide
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About
Speedway Motors is America’s Oldest Speed Shop® and has been a trusted source for specialty rodding and racing products and friendly expert advice for more than 69 years. Founded in 1952 by “Speedy” Bill Smith – a racer and street rodder himself – Speedway has grown from a one-man operation to become the world’s largest manufacturer, distributor and retailer of street rod and racing products. Our industry-leading fast delivery is the result of same-day shipping from our state-of-the-art, centrally located 500,000 sq. ft. headquarters. Speedway’s size offers customers unmatched product selection and low pricing, while our excellent technical support and customer service have made us a recognized leader in the rodding and racing industries.
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