Bill Smith
Founder, 1929-2014
Speedy Bill
Since 1952
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Electrical, Lighting and Body

Shop Muscle Car Electrical Wiring & Lights At Speedway Motors

Speedway Motors is your one stop shop for muscle wiring and lighting. Make wiring your hot rod simple with easy-to-use wiring harnesses and step by step instructions. Finish off your muscle car with specialty headlights, LED dome lights, and LED tail lights. Find anything from various switches and relays to hidden radio antennas and let Speedway Motors eliminate any and all of your American muscle car electrical system problems!


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  • Painless Wiring 20120 1964-1966 Mustang 22 Circuit Wiring Harness
    Painless Wiring 20120 1964-1966 Mustang 22 Circuit Wiring Harness
    (Part #91020120)
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    One thing to never forget - the wiring in your muscle car is forty years old and updating to modern and safe components is easy. Owners and restorers of 1964 to 1966 first generation Mustangs can take comfort in the fact that there is now an electrical system upgrade from Painless to completely rewire this classic car. These Painless wiring harnesses feature many pre-wired connections and are color coded to make installation a snap.

    This 22 circuit direct fit 1965-1966 Mustang harness has many of the factory connectors already installed on the harness out of the box.  This harness uses our unique covered micro-fuse block.  Also featured is an auxiliary circuit with 20 amp relay for accessories such as fog lights, or an electric fuel pump. Each wire is custom printed with the circuit identification as well as using Ford color codes for easy installation.  NOTE: THIS WILL NOT FIT 1964 1/2 MUSTANGS

    1964-1966 Mustang Wiring Instructions (PDF)

    Note: Some firewall modifications required.

  • Painless 10123 1966-1976 Ford Muscle Car 21 Circuit Wiring Harness
    Painless 10123 1966-1976 Ford Muscle Car 21 Circuit Wiring Harness
    (Part #91010123)
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    One thing to never forget - the wiring in your muscle car is forty years old and updating to modern and safe components is easy. These Painless wiring harnesses feature many pre-wired connections and are color coded to make installation a snap. This customizable 21 circuit harness can be used in almost any application where you want Ford color coded wires. This harness uses our unique covered micro-fuse block.  Also featured is an auxiliary circuit with 20 amp relay for accessories such as fog lights, or an electric fuel pump. Each wire is custom printed with the circuit identification for easy installation.

    Designed for 1966-1976 Ford muscle cars including Galaxie, LTD, Falcon, Fairlane, Mustang, Maverick, Torino, and Ranchero.

    NOTE: Will not work with Thunderbirds. 

    1966-1976 Ford Muscle Car Wiring Instructions (PDF)

  • 1964-66 Mustang LED Tail Lights
    1964-66 Mustang LED Tail Lights
    (Part #91137080)
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    Face it, it's hard to see those tail and brake lights on older Mustangs. Now is the time to change out those broken or faded lights for new LED versions. 

    • 68 Super Bright LEDS
    • Polycarbonate Lens
    • Epoxy Coated, Fully Sealed Electronics, 1157 Plug
    • Solid State Circuit Boards Designed for 7.7 - 14.0 VDC

     

  • 1967-68 Mustang LED Tail/Stop Lights
    1967-68 Mustang LED Tail/Stop Lights
    (Part #91137081)
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    Face it, it's hard to see those tail lights on older cars. Now is the time to change out those broken or faded lights for new LED versions. 

    • 68 Super Bright LEDS
    • Polycarbonate Lens
    • Epoxy Coated, Fully Sealed Electronics, 1157 Plug
    • Solid State Circuit Boards Designed for 7.7 - 14.0 VDC

     

  • Painless Wiring 20121 1967-1968 Mustang 22 Circuit Wiring Harness
    Painless Wiring 20121 1967-1968 Mustang 22 Circuit Wiring Harness
    (Part #91020121)
    x
                

    This 22 circuit direct fit 1967-1968 Mustang harness has many of the factory connectors already installed on the harness out of the box.  This harness uses our unique covered micro-fuse block.  Also featured is an auxiliary circuit with 20 amp relay for accessories such as fog lights, or an electric fuel pump. Each wire is custom printed with the circuit identification as well as using Ford color codes for easy installation.

    1967-1968 Mustang Wiring Instructions (PDF)

  • Sequential LED Tail Light Kit
    Sequential LED Tail Light Kit
    (Part #91190656)
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    • Convert any three LED tail lights to sequential operation
    • Also upgrades Speedway Motors brand 1969 Camaro and 1967-'69 Mustang LED tail lights to three sequence
    • Three segment sequence with "all-at-once" brake light
    • Kit includes two modules, wires, connectors and instructions

    Sequential LED Tail Light Wiring Instructions (PDF)

  • Painless Wiring 20122 1969-1970 Mustang 22 Circuit Wiring Harness
    Painless Wiring 20122 1969-1970 Mustang 22 Circuit Wiring Harness
    (Part #91020122)
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    This 22 circuit direct fit 1969-1970 Mustang harness has many of the factory connectors already installed on the harness out of the box.  This harness uses our unique covered micro-fuse block.  Also featured is an auxiliary circuit with 20 amp relay for accessories such as fog lights, or an electric fuel pump. Each wire is custom printed with the circuit identification as well as using Ford color codes for easy installation.

    1969-1970 Mustang Wiring Instructions (PDF)

  • 1969 Mustang LED Tail/Stop Lights
    1969 Mustang LED Tail/Stop Lights
    (Part #91137082)
    x
                

    Face it, it's hard to see those tail lights on older cars. Now is the time to change out those broken or faded lights for new LED versions. 

    • 54 Super Bright LEDS
    • Polycarbonate Lens
    • Epoxy Coated, Fully Sealed Electronics, 1157 Plug
    • Solid State Circuit Boards Designed for 7.7 - 14.0 VDC