Bill Smith
Founder, 1929-2014
Speedy Bill
Since 1952
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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!

Featured Products
Heavy Duty Turn Signal Switch
Heavy Duty Turn Signal Switch
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For early autos not equipped with right and left turn signals. Chrome plated finish. Switch works with 6 or 12 volt systems. Includes wiring diagram. Clamps to any steering column with included stainless hose clamp. Switch has four-way flashers and does not self cancel.

You will need to purchase a three-prong flasher to use with this switch (part number 910-64046). For LED light applications, you will also need a LED dummy load resistor (part number 910-03030).

910-62860 Instructions (PDF)

Two Post Battery Disconnect Switch
Two Post Battery Disconnect Switch
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            Remote battery disconnect switch for safety and theft protection. A battery kill switch is required for use with alternators by the NHRA. Battery shut off switch can be remote mounted or where specified for saftey and  convenience.
  • 180 amp continuous, 1000 amp instantaneous
  • Die cast lever
  • Fits panel through 3/16" thick

910-64500 Instructions (PDF)

Universal Headlight Switch With Hi/Low
Universal Headlight Switch With Hi/Low
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This headlight switch has four positions. In is off, out one notch is park lights, out another notch is lows beams, and all the way out is high beams. Screw type terminals. 3/8" mounting hole.

910-80154 Instructions (PDF) 

Power Window Kit
$149.99
Product Rating: 4.75 Stars
Power Window Kit
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  • Kit for 2 doors
  • Works for all flat glass windows
  • Straight up and down travel only
  • 6"-24" Glass height
  • Includes: Switches, wiring and crossover kit

Instructions (PDF)

"Muscle Car, Electrical, Lighting and Body" Page 1 of 9

  • Lokar SG-6009 Chrome Dimmer Switch Cover, Chevy/Ford
    Lokar SG-6009 Chrome Dimmer Switch Cover, Chevy/Ford
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                Brighten up that old dimmer switch with one of these new dimmer switch covers from Lokar!  Made from steel and feature a beautiful chrome finish and a textured rubber pad. 
            
  • Modern Driveline Reverse Switch Harness for GM T5 and T56 Transmissions
    Modern Driveline Reverse Switch Harness for GM T5 and T56 Transmissions
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    These harnesses for transmission neutral safety switch/reverse light switches are designed for use with GM T5 and T56 transmissions.

    • Factory style
    • For GM T5 and T56 transmissions

     

  • 1968 Belair/Biscayne LED Tail/Stop Lights
    1968 Belair/Biscayne LED Tail/Stop Lights
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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 tail lights for new LED versions. 

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

     

  • Stewart Warner 279B-F Deluxe Electrical Oil Pressure Sender
    Stewart Warner 279B-F Deluxe Electrical Oil Pressure Sender
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    Designed to make sure that you get fast, accurate information from your Stewart Warner gauges. 

    • 1/8-27 NPT
    • Electrical
    • Designed to be used with 90° sweep gauges
  • American Autowire 37788 1955 Chevy OEM Style Turn Signal Switch
    American Autowire 37788 1955 Chevy OEM Style Turn Signal Switch
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    If you're still running the stock column in your 1955 Chevy car, you'll probably need one of these OEM style turn signal switches.  They come complete with the male connector body.

    • 1955 Chevrolet passenger car
    • OEM style replacement
    • Complete with male connector body

     

  • Fuse Block for Glass Fuses
    $9.99
    Product Rating: 5.00 Stars
    Fuse Block for Glass Fuses
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    Allows easy installation of extra fuses or for use in basic electrical systems. Accepts 7 glass fuses. Also included is two connector strips, one ties three fuses to a common power source and one ties two fuses to a common power source.

  • Lokar CC-1600U Carbureted Cruise Control Cable, Black
    Lokar CC-1600U Carbureted Cruise Control Cable, Black
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    • Lokar cruise control cable is for use with Rostra control kits. Kit includes 4 foot stainless outer housing designed with a specialty extruded liner for extended life of the cable and 5 feet of stainless inner wire, which replaces black plastic cable in Rostra kits. Cables are u-cut-to-fit inside and outside of the firewall. All billet aluminum fittings, stainless hold down clip and mounting bracket. Mount cable to carburetor with Lokar's stainless carburetor bracket and return springs.
    • For Use w/Rostra Control Kits
    • Stainless Housing
    • 5 in. Stainless Inner Wire/4 in. Outer Housing
    • U-Cut-To-Fit Inside And Outside Of Firewall
    • Billet Aluminum Fittings
    • Incl. Hold Down Clip/Mounting Bracket
    • Made In The U.S.A.
    • Lifetime Warranty
  • Stewart Warner 82623B GM Sender for Wings Electronic Speedometer
    Stewart Warner 82623B GM Sender for Wings Electronic Speedometer
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    This sending unit for electronic speedometers has a .894" (7/8”) female attachment nut to attach it to the transmission or out-drive unit.  This is similar to the female threaded ring on mechanical speedometer cables. Most customers will need to purchase part number 66582629, square drive tip, to attach this sender to a GM transmission.

  • 1957 Chevy LED Tail Light Conversion Kit
    1957 Chevy LED Tail Light Conversion Kit
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                The 1957 Chevy cars were not known to have very bright or visible tail lights. The cure is the addition of LED conversion kits. 

    These replace old 1157 style bulbs with 14 LED bulbs that are much brighter, don't put out much heat and last up to 100,000 hours. Stainless steel hardware and easy 30 minute installation.

    1957 Chevy LED Tail Light Conversion Instructions (pdf)

  • Lokar SP-1506U Early Ford Speedo Cable Kit w/Ford End, Black Housing
    Lokar SP-1506U Early Ford Speedo Cable Kit w/Ford End, Black Housing
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                Premium housing designed with a specially extruded liner for extended life of the cable and billet aluminum fittings. Inner cable and outer housing are "U-Cut-to-Fit". Kit comes complete with all fittings and is available for GM, Ford and Chrysler applications. (Gauges not included)
    Lokar Speedometer Cables are designed to work with most cable driven aftermarket speedometer gauges (such as Auto Meter, Stewart Warner, VDO, Classic Instruments, etc.) or factory speedometer with a 5/8-18 male thread at the speedo.
    Lokar Speedometer Cables are designed to fit into the transmission gear adapter (not supplied in Chevy or Chrysler Lokar Kit). Customer must have the trans end adapter and speedometer gear for all Chevy and Chrysler applications. For Ford applications, the gear adapter is supplied in the Lokar Kit. Customer must supply the speedo gear and speedo gear retainer clip.
    • All Lokar Speedometer Cables are seven feet (7') long
    • Designed to be "U-Cut-to-Fit".
    • Additional length cable in black or stainless housing is available upon request for an additional charge.
    • Must have a 3/4 - 20 female thread at the speedometer
  • 1955 Chevy LED Tail Light Conversion Kit
    1955 Chevy LED Tail Light Conversion Kit
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                The 1955 Chevy cars were not known to have very bright or visible tail lights. The cure is the addition of LED tail light conversion kits. 

    These replace old 1157 style bulbs with 14 LED bulbs that are much brighter, don't put out much heat and last up to 100,000 hours. Stainless steel hardware and easy 30 minute installation.

    1955 Chevy LED Tail Light Conversion Instructions (pdf)

  • Lokar XBAG-6109 Midnight Series Oval Billet Aluminum Dimmer Cover
    Lokar XBAG-6109 Midnight Series Oval Billet Aluminum Dimmer Cover
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    • Oval Billet Aluminum Dimmer Cover – Brushed
    • Black Anodized Billet Aluminum 
    • Made In The U.S.A.

     

  • Safety Kill Switch
    $19.99
    Product Rating: 4.50 Stars
    Safety Kill Switch
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    This is the best kill switch we've found! Works with standard ignition only. Water resistant with O-ring shaft seal. Pull on, push off with silver contacts.

    20 amp rating at 12 VDC.

  • Speedway 2005-2006 LS2/4L65E Wiring Harness, Extended
    Speedway 2005-2006 LS2/4L65E Wiring Harness, Extended
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    Take the fear out of electronic fuel injection! These engine wiring harnesses are designed to make your engine transplant effortless. Each new harness contains in-depth application-specific instruction sheets, clearly marked factory GM connectors, labeled GXL jacketed wire, GM color coding, and pre-fitted corrugated slit loom for an extra value and professional look. All un-needed emissions wiring is eliminated to make the install as simple and reliable as possible.

    2005-2006 LS2/E40 24X Reluctor and 4L65E Transmission

    • Made from premium grade GXL jacketed automotive wire
    • Most wiring is larger gauge than stock application for durability
    • No splices to reduce points of failure
    • All primary grounding is done at the head or block and grounding points are isolated from each other to reduce electrical interference and minimize ground looping
    • Harness wiring matches GM wiring configuration and jacket colors follow GM color coding for easy identification
    • All electrical connectors are made by Delphi or Packard and are direct fit for GM cars and trucks
    • Can be installed to run engine in 20 minutes, but figure 4-6 hours for a professional installation
    • Diagnostic connector or OBD2 port for connection to scanners and tuning tools
    • Made in the USA.
  • Billet Specialties 32121 Standard Horn Button - No Logo
    Billet Specialties 32121 Standard Horn Button - No Logo
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    • Precision machined 6061-T6 billet aluminum
    • Fully polished
    • Stainless internal hardware
  • Modern Driveline GM Reverse Lock Out Wiring Harness, T-56 Transmission
    Modern Driveline GM Reverse Lock Out Wiring Harness, T-56 Transmission
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                New reverse lockout connector for LS1 and LT1 vehicles equipped with a T56 6 speed manual transmission.    
    • Manufactured from original GM components
    • Terminals crimped with proper GM tooling
    • GM's quality standards
    • Fits GM applications
  • Lokar CC-1603HT Tuned-Port Cruise Control Cable, Stainless
    Lokar CC-1603HT Tuned-Port Cruise Control Cable, Stainless
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    • Lokar cruise control cable is for use with Rostra control kits. Kit includes 4 foot stainless outer housing designed with a specialty extruded liner for extended life of the cable and 5 feet of stainless inner wire, which replaces black plastic cable in Rostra kits. Cables are u-cut-to-fit inside and outside of the firewall. All billet aluminum fittings, stainless hold down clip and mounting bracket. Mount cable to carburetor with Lokar's stainless carburetor bracket and return springs.
    • For Use w/Rostra Control Kits
    • Stainless Steel Housing
    • 5 in. Stainless Inner Wire/4 in. Outer Housing
    • U-Cut-To-Fit Inside And Outside Of Firewall
    • Billet Aluminum Fittings
    • Incl. Hold Down Clip/Mounting Bracket
    • Made In The U.S.A.
    • Lifetime Warranty
  • Painless Wiring 70402 Two Wire Weatherpack Connectors
    Painless Wiring 70402 Two Wire Weatherpack Connectors
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    A real water-tight connection. Each number consists of one male and one female component. Accepts 14 - 16 gauge wire.

  • Universal Headlight Switch With Hi/Low
    Universal Headlight Switch With Hi/Low
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    This headlight switch has four positions. In is off, out one notch is park lights, out another notch is lows beams, and all the way out is high beams. Screw type terminals. 3/8" mounting hole.

    910-80154 Instructions (PDF) 

  • Lokar SP-1505HT Pre-1948 Ford Speedometer Cable Kit, Stainless Housing
    Lokar SP-1505HT Pre-1948 Ford Speedometer Cable Kit, Stainless Housing
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                Premium housing designed with a specially extruded liner for extended life of the cable and billet aluminum fittings. Inner cable and outer housing are "U-Cut-to-Fit". Kit comes complete with all fittings and is available for GM, Ford and Chrysler applications. (Gauges not included)
    Lokar Speedometer Cables are designed to work with most cable driven aftermarket speedometer gauges (such as Auto Meter, Stewart Warner, VDO, Classic Instruments, etc.) or factory speedometer with a 5/8-18 male thread at the speedo.
    Lokar Speedometer Cables are designed to fit into the transmission gear adapter (not supplied in Chevy or Chrysler Lokar Kit). Customer must have the trans end adapter and speedometer gear for all Chevy and Chrysler applications. For Ford applications, the gear adapter is supplied in the Lokar Kit. Customer must supply the speedo gear and speedo gear retainer clip.
    • All Lokar Speedometer Cables are seven feet (7') long
    • Designed to be "U-Cut-to-Fit".
    • Additional length cable in black or stainless housing is available upon request for an additional charge.
    • Must have a 3/4 - 20 female thread at the speedometer
  • Auto Meter 2258 Sending Unit, Water Temperature
    Auto Meter 2258 Sending Unit, Water Temperature
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    1/8" npt sending unit that includes both 3/8" npt and 1/2" npt fitting adapters.

  • Painless Wiring 60218 1999-2005 GM Vortec Engine Harness, Extended
    Painless Wiring 60218 1999-2005 GM Vortec Engine Harness, Extended
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                Please view the product's page for more information
            
  • Universal Electric Window Switch
    Universal Electric Window Switch
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    • Fits All Vehicles
    • Includes 5 Shafts to Fit All Window Cranks
    • 15 Degrees Up Or Down Activates The Switch
    • Billet Aluminum
    • Dead Lock Stop Design Will Not Break
    • Works With All Power Window Systems
    • Ultra Thin Design
    • Designed In The USA
    • Manufacturer Lifetime Warranty
    • Smallest System On The Market
    Instructions (PDF)
  • Universal Dash Harness for Mechanical Speedometer
    Universal Dash Harness for Mechanical Speedometer
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    If you want to keep your under-dash area organized or you think that you will need to remove gauges from time to time, then you need to install this universal gauge harness. It will connect to all major brand gauges including Auto Meter and VDO and works with most dash layouts and sizes.

    Includes all connections for volt meter, oil pressure, temperature, tachometer, speedometer and fuel gauges, plus high beams and turn signals. For cable drive speedometer only.

    Universal Dash Mechanical Speedometer Wiring Instructions (PDF) 

  • American Autowire 35785 1957 Chevy O/E Wiring Harness
    American Autowire 35785 1957 Chevy O/E Wiring Harness
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    This wiring harness adapts the OEM 1957 harness to the aftermarket Ididit column. The Ididit column uses the flat ribbon plug common to the later GM columns and should be adaptable to work with the later GM columns and other aftermarket columns using the GM ribbon style flat plug in. As always, wiring layout and sequence will need to be verified for each circuit.

    • Stock o/e harness to an Ididit steering column
    • Chevrolet Passenger 1957
    • For 1969-74 GM column to stock dash

    Note: Adapts horn, directionals, hazard flasher to stock dash

     

  • Modern Driveline Electric Speedometer Harness for Ford TKO Transmission
    Modern Driveline Electric Speedometer Harness for Ford TKO Transmission
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    This is a new electric speedometer pigtail harness connector for Ford TKO 500, 600 transmissions.

    • Manufactured from quality components
    • Factory quality standards
    • Fits Ford applications
    • TKO 500, 600 transmissions

     

  • Modern Driveline Electric Speedometer Harness for GM TKO Transmission
    Modern Driveline Electric Speedometer Harness for GM TKO Transmission
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    This is a new electric speedometer pigtail harness connector for GM TKO transmissions.

    • Manufactured from quality components
    • Factory quality standards
    • Fits GM applications
    • TKO transmissions
  • Speedway 2007-2008 LS2/LS3/LS7 Engine Wiring Harness
    Speedway 2007-2008 LS2/LS3/LS7 Engine Wiring Harness
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    Take the fear out of electronic fuel injection! These engine wiring harnesses are designed to make your engine transplant effortless. Each new harness contains in-depth application-specific instruction sheets, clearly marked factory GM connectors, labeled GXL jacketed wire, GM color coding, and pre-fitted corrugated slit loom for an extra value and professional look. All un-needed emissions wiring is eliminated to make the install as simple and reliable as possible.

    2007-2008 LS2/LS3/LS7 - E38 58X Reluctor w/ Non Electric Transmission

    • Made from premium grade GXL jacketed automotive wire
    • Most wiring is larger gauge than stock application for durability
    • No splices to reduce points of failure
    • All primary grounding is done at the head or block and grounding points are isolated from each other to reduce electrical interference and minimize ground looping
    • Harness wiring matches GM wiring configuration and jacket colors follow GM color coding for easy identification
    • All electrical connectors are made by Delphi or Packard and are direct fit for GM cars and trucks
    • Can be installed to run engine in 20 minutes, but figure 4-6 hours for a professional installation
    • Diagnostic connector or OBD2 port for connection to scanners and tuning tools
    • Made in the USA.
  • Painless Wiring 60103 1990-92 GM TPI Speed Density Engine Harness
    Painless Wiring 60103 1990-92 GM TPI Speed Density Engine Harness
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    Take advantage of GM's electronic engine management system with this Painless Wiring Harness. Complete stand alone harness allows you to install late model GM fuel injected engine and correct computer into almost any chassis. Harness includes all needed connections for fuel injection operation: ECM, MAP, O2, TPS, ESC, IAC, IAT, CTS, Knock, Injectors, OBD1 w/SES light, VSS and TCC solenoid. 

    This standard length harness allows four feet from the back of the intake manifold to where the fuseblock and ECM mount. Perfect for those that plan to mount these components under or behind the dash or glove box.

    Besides the obvious economy and driveability benefits, check out these other great features that make it easy and painless to install:
    • Foolproof factory connections
    • ALDL (diagnostic) plug
    • Computer controlled fuel pump provision
    • Wired for 2004R or 700R4 transmission and EGR solenoid
    • GM color code
    • Closed loop design

    1990-1992 GM TPI Wiring Instructions (PDF)

  • Stewart Warner 82629 GM Speedometer Sender Gear Drive Tip - .104 Inch
    Stewart Warner 82629 GM Speedometer Sender Gear Drive Tip - .104 Inch
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    Stewart Warner square drive tip to attach sender gear (part number 66582623B) to a GM transmission.

    • .104 Inch drive tip
  • 1968 Caprice/Impala LED Tail/Stop Lights
    1968 Caprice/Impala LED Tail/Stop Lights
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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 tail lights for new LED versions. 

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

     

  • Stainless Steel Tear Drop 12 Volt Fog Light, Amber Lens
    New
    Stainless Steel Tear Drop 12 Volt Fog Light, Amber Lens
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                These tear drop style fog lights feature a beautiful stainless steel housing with  an Amber lens.  They also include adjustable mounting and a replaceable  H3 35 watt bulb, and are perfect for your vintage street rod or custom  ride. 
    • Stainless steel Housing With Universal Ball & Cup Adjustable Mounting
    • Quartz Halogen with Replaceable H3 Bulb, 35 Watt
  • Painless Wiring 60502 1992-1997 GM LT1 Engine Harness
    Painless Wiring 60502 1992-1997 GM LT1 Engine Harness
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                Take advantage of GM's electronic engine management system with this Painless Wiring Harness. Complete stand alone harness allows you to install late model GM fuel injected engine and correct computer into almost any chassis. Harness includes all connections needed for fuel injection and transmission operation: ECM, Ignition Module, IAT, CTS, Coil, Left & Right O2, EGR, MAP, IAC, Knock, Air Pump Relay, MAF, Fuel Pump Relay, Canister Purge Solenoid, VSS and 4L60E Transmission. 

    Harness includes its own fuse block with ignition relays. 4 feet of harness between ECM connections and main engine breakout gives ample room for custom installation and mounting of ECM behind dash, in the kick panel or glove box.

    Besides the obvious economy and driveability benefits, check out these other great features that make it easy and painless to install:
    • Foolproof factory connections
    • ALDL (diagnostic) plug
    • Computer controlled fuel pump provision
    • GM color code
    • Closed loop design

    1992-1997 GM LT1 Wiring Instructions (PDF)

  • Painless Wiring 60508 1999-2002 GM LS1 Engine Harness
    Painless Wiring 60508 1999-2002 GM LS1 Engine Harness
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                Take advantage of GM's electronic engine management system with this Painless Wiring Harness. Complete stand alone harness allows you to install late model GM fuel injected engine and correct computer into almost any chassis. 

    Besides the obvious economy and driveability benefits, check out these other great features that make it easy and painless to install:
    • Foolproof factory connections
    • ALDL (diagnostic) plug
    • Computer controlled fuel pump provision
    • GM color code
    • Closed loop design
    • Complete information manual

    1999-2002 GM LS1 Wiring Instructions (PDF)

  • Painless Wiring 40007 Three Wire Quick Connect Terminal
    Painless Wiring 40007 Three Wire Quick Connect Terminal
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    Make your own locking quick connect plugs easily and quickly. Each kit contains one male and one female component. Accept 10 - 20 gauge wire.

  • Painless Wiring 60511 5.0 Ford Fuel Injection System Engine Harness
    Painless Wiring 60511 5.0 Ford Fuel Injection System Engine Harness
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    If you want to put a Ford in a Ford, this is the harness for you. It allows you to install a 1986-1995 5.0 Ford fuel injected engine and computer in just about anything. Harness comes complete with factory connectors, terminals, color coded wire and plugs directly into the factory ECM. It even has enough wire to hide the computer in the trunk.

    Harness does not include any emissions or automatic transmission related connections.

    1986-1993 Ford 5.0L Wiring Instructions (PDF)

  • Turn Signal Switch
    $19.99
    Product Rating: 4.18 Stars
    Turn Signal Switch
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    For early autos not equipped with right and left turn signals. Chrome plated finish. Switch works with 6 or 12 volt systems. Includes wiring diagram. Clamps to any steering column.

    Does not have four-way flashers and does not self cancel.

    You will need to purchase a three-prong flasher to use with this switch. Our part number is 910-64046. If using LED flashers, an adapter will be needed (see Notes).

    910-62850 Wiring Diagram (pdf)

  • Modern Driveline Electric Speedometer Harness for GM S10 T5 Transmission
    Modern Driveline Electric Speedometer Harness for GM S10 T5 Transmission
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    This is a new electric speedometer pigtail harness connector for GM S10 T-5 transmissions.

    • Manufactured from quality components
    • Factory quality standards
    • Fits GM applications
    • T-5 transmissions
  • Auto Meter 990340 Right Angle Reversing Adapter for Cobra Speedometers
    Auto Meter 990340 Right Angle Reversing Adapter for Cobra Speedometers
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    These quality made adapters are designed for use with Cobra series speedometers that require reverse cable rotation for proper operation. They accept the standard 5/8" thread-on speedometer cable and are designed for use at the back of the instrument, not intended for installation on the transmission.

    • For Cobra series speedometers that require reverse cable rotation
    • Accepts standard 5/8 in. speedo cable
  • Mechanical Speedometer Universal Dash Gauge Harness
    Mechanical Speedometer Universal Dash Gauge Harness
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    If you want to keep your under-dash area organized or you think that you will need to remove gauges from time to time, then you need to install this universal gauge harness. It will connect to all major brand gauges including Auto Meter and VDO and works with most dash layouts and sizes.

    Includes all connections for volt meter, oil pressure, temperature, tachometer, and fuel gauges, plus high beams and turn signals. Plus, the purpose of each wire is printed directly on it for a fool-proof installation.

    • Fits all dash layouts
    • Omega style harness
    • Color coded and labeled for intended circuit
    • Note: excludes Speedo sender wiring

    One harness has 9 wires that are 18-1/4" long and the other harness has 26 wires with the longest wire 30-3/4" long .

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