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Painless Wiring for Hot Rods, Classic Cars and Trucks

Painless Wiring Systems and Components for Classic Cars and Trucks

Painless Wiring Harnesses and Components for your hot rod, street rod, muscle car & classic. These model-specific and universal kits are easy to install and are a must-have for any auto restoration.

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  • Battery Cable Kit (16 ft Red & 3 ft Black Cables)

    Painless Battery Cable Kit

    Battery Cable Kit (16 ft Red & 3 ft Black Cables) - 40100
    $90.99
    Battery Cable Kit (16 ft Red & 3 ft Black Cables) - 40100
    $90.99
  • Painless GM Pickup Socket Pigtail Kit (Single Round Headlights) (73-80)

    Painless GM Pickup Socket Pigtail Kit (Single Round Headlights) (73-80)

    GM Pickup Socket Pigtail Kit (Single Round Headlights) (73-80) - 30350
    $64.95
    GM Pickup Socket Pigtail Kit (Single Round Headlights) (73-80) - 30350
    $64.95
  • Painless GM Pickup Socket Pigtail Kit (Single Square Headlights) (80-87)

    Painless GM Pickup Socket Pigtail Kit (Single Square Headlights) (80-87)

    GM Pickup Socket Pigtail Kit (Single Square Headlights) (80-87) - 30351
    $64.95
    GM Pickup Socket Pigtail Kit (Single Square Headlights) (80-87) - 30351
    $64.95
  • GM Pickup Socket Pigtail Kit (Dual Square Headlights) (80-87)

    Painless GM Pickup Socket Pigtail Kit (Dual Square Headlights) (80-87)

    GM Pickup Socket Pigtail Kit (Dual Square Headlights) (80-87) - 30352
    $64.95
    GM Pickup Socket Pigtail Kit (Dual Square Headlights) (80-87) - 30352
    $64.95
  • Painless GMC Suburban Socket Pigtail Kit (Dual Square Headlights) (88-91)

    Painless GMC Suburban Socket Pigtail Kit (Dual Square Headlights) (88-91)

    GM Suburban Socket Pigtail Kit (Dual Square Headlights) (88-91) - 30353
    $99.99
    GM Suburban Socket Pigtail Kit (Dual Square Headlights) (88-91) - 30353
    $99.99
  • Chevy A/C Harness 1973 - 1987 use w/Part #20205

    Painless GM Truck A/C Harness 1973-87

    Chevy A/C Harness 1973 - 1987 use w/Part #20205 - 30902
    $99.99
    Chevy A/C Harness 1973 - 1987 use w/Part #20205 - 30902
    $99.99
  • Painless Remote Battery Junction Terminal Kit

    Painless Remote Battery Junction Terminal Kit

    Remote Battery Junction Terminal Kit - 40106
    $38.99
    Remote Battery Junction Terminal Kit - 40106
    $38.99
  • Painless Grommet Assortment Kit

    Painless Grommet Assortment Kit

    Universal Grommet Kit - 71901
    $14.99
    Universal Grommet Kit - 71901
    $14.99
  • Painless 8-Point Distribution Block

    Painless 8-Point Distribution Block (Red)

    8 Point Distribution Block-Red - 80114
    $19.99
    8 Point Distribution Block-Red - 80114
    $19.99
  • 8 Point Distribution Block-Black

    Painless 8-Point Distribution Block (Black)

    8 Point Distribution Block-Black - 80115
    $19.99
    8 Point Distribution Block-Black - 80115
    $19.99
  • 8 Point Distribution Blocks-Red and Black

    Painless 8-Point Distribution Block Kit (Red and Black)

    8 Point Distribution Blocks-Red and Black - 80116
    $36.99
    8 Point Distribution Blocks-Red and Black - 80116
    $36.99
  • Painless Headlight Door Jamb Dimmer Switch Kit

    Painless Headlight Door Jamb Dimmer Switch Kit

    Headlight Door Jamb Dimmer Switch Kit - 80120
    $28.99
    Headlight Door Jamb Dimmer Switch Kit - 80120
    $28.99
  • Painless Head Light Door Jamb Dimmer/Ignition Switch Kit

    Painless Head Light Door Jamb Dimmer/Ignition Switch Kit

    Head Light Door Jamb Dimmer/Ignition Switch Kit - 80121
    $37.99
    Head Light Door Jamb Dimmer/Ignition Switch Kit - 80121
    $37.99
  • American Autowire HEADLIGHT ENHANCER RELAY KIT, with standard relay 500403

    American Autowire HEADLIGHT ENHANCER RELAY KIT, with standard relay 500403

    American Autowire HEADLIGHT ENHANCER RELAY KIT, with standard relay
    $65.00
    American Autowire HEADLIGHT ENHANCER RELAY KIT, with standard relay
    $65.00
  • American Autowire COURTESY LIGHT CONNECTION KIT 500081

    American Autowire COURTESY LIGHT CONNECTION KIT 500081

    American Autowire COURTESY LIGHT CONNECTION KIT
    $26.00
    American Autowire COURTESY LIGHT CONNECTION KIT
    $26.00
  • American Autowire 78-9 FORD BRONCO TAILGATE POWER WINDOW HARNESS 510358

    American Autowire 78-9 FORD BRONCO TAILGATE POWER WINDOW HARNESS 510358

    American Autowire 78-9 FORD BRONCO TAILGATE POWER WINDOW HARNESS
    $79.00
    American Autowire 78-9 FORD BRONCO TAILGATE POWER WINDOW HARNESS
    $79.00
  • American Autowire 1973-79 FORD TRUCK DUAL FUEL TANK HARNESS 510359

    American Autowire 1973-79 FORD TRUCK DUAL FUEL TANK HARNESS 510359

    American Autowire 1973-79 FORD TRUCK DUAL FUEL TANK HARNESS
    $79.00
    American Autowire 1973-79 FORD TRUCK DUAL FUEL TANK HARNESS
    $79.00
  • American Autowire TORQUE CONVERTER LOCKUP KIT, 700-R4, 200-R4 500412

    American Autowire TORQUE CONVERTER LOCKUP KIT, 700-R4, 200-R4 500412

    American Autowire TORQUE CONVERTER LOCKUP KIT, 700-R4, 200-R4
    $80.00
    American Autowire TORQUE CONVERTER LOCKUP KIT, 700-R4, 200-R4
    $80.00
  • American Autowire POWER TOP KIT, 55-57 Classic Update Series 500444

    American Autowire POWER TOP KIT, 55-57 Classic Update Series 500444

    American Autowire POWER TOP KIT, 55-57 Classic Update Series
    $31.00
    American Autowire POWER TOP KIT, 55-57 Classic Update Series
    $31.00
  • American Autowire POWER TOP KIT, 1968-1972 Chevelle, Classic Update Series 510120

    American Autowire POWER TOP KIT, 1968-1972 Chevelle, Classic Update Series 510120

    American Autowire POWER TOP KIT, 1968-1972 Chevelle, Classic Update Series
    $69.00
    American Autowire POWER TOP KIT, 1968-1972 Chevelle, Classic Update Series
    $69.00
  • American Autowire EL CAMINO AND S/W ADD-ON KIT FOR 1964-67 CHEVELLE 500999

    American Autowire EL CAMINO AND S/W ADD-ON KIT FOR 1964-67 CHEVELLE 500999

    American Autowire EL CAMINO AND S/W ADD-ON KIT FOR 1964-67 CHEVELLE
    $44.00
    American Autowire EL CAMINO AND S/W ADD-ON KIT FOR 1964-67 CHEVELLE
    $44.00
  • American Autowire POWER TOP KIT, 1964-1967 Chevelle, Classic Update Series 510231

    American Autowire POWER TOP KIT, 1964-1967 Chevelle, Classic Update Series 510231

    American Autowire POWER TOP KIT, 1964-1967 Chevelle, Classic Update Series
    $69.00
    American Autowire POWER TOP KIT, 1964-1967 Chevelle, Classic Update Series
    $69.00
  • American Autowire POWER TOP KIT, Camaro or Firebird, Classic Update Series 500925

    American Autowire POWER TOP KIT, Camaro or Firebird, Classic Update Series 500925

    American Autowire POWER TOP KIT, Camaro or Firebird, Classic Update Series
    $69.00
    American Autowire POWER TOP KIT, Camaro or Firebird, Classic Update Series
    $69.00
  • ACCEL IGNITION COIL - SUPERCOIL - 1998-2008 FORD 4.6L/5.4L/6.8L 2-VALVE MODULAR ENGINES - YELLOW - INDIVIDUAL 140032

    ACCEL IGNITION COIL - SUPERCOIL - 1998-2008 FORD 4.6L/5.4L/6.8L 2-VALVE MODULAR ENGINES - YELLOW - INDIVIDUAL 140032

    ACCEL IGNITION COIL - SUPERCOIL - 1998-2008 FORD 4.6L/5.4L/6.8L 2-VALVE MODULAR ENGINES - YELLOW - INDIVIDUAL
    $31.77
    ACCEL IGNITION COIL - SUPERCOIL - 1998-2008 FORD 4.6L/5.4L/6.8L 2-VALVE MODULAR ENGINES - YELLOW - INDIVIDUAL
    $31.77
  • Hurst Back Up Light Switch - Comp Plus - 3 Speed 2480003

    Hurst Back Up Light Switch - Comp Plus - 3 Speed 2480003

    Hurst Back Up Light Switch
    $39.19
    Hurst Back Up Light Switch
    $39.19
  • Holley HP EFI 4bbl Multi Port Fuel Injection System 550-810

    Holley HP EFI 4bbl Multi Port Fuel Injection System 550-810

    SNIPER EFI TO HOLLEY DUAL SYNC HARNESS
    $29.17
    SNIPER EFI TO HOLLEY DUAL SYNC HARNESS
    $29.17
  • Holley Sniper EFI HyperSpark Ignition Coil 556-152

    Holley Sniper EFI HyperSpark Ignition Coil 556-152

    Ignition Coil
    $39.09
    Ignition Coil
    $39.09
  • Holley Idle Air Control Motor 543-105

    Holley Idle Air Control Motor 543-105

    Replacement Idle Air Control (IAC) Motor for Sniper EFI TBI Systems, Sniper 90/92/102mm Throttle Bodies, Terminator TBI, Avenger 4bbl TBI, HP 4bbl TBI, Commander 950 & Digital Pro-Jection Systems
    $60.74
    Replacement Idle Air Control (IAC) Motor for Sniper EFI TBI Systems, Sniper 90/92/102mm Throttle Bodies, Terminator TBI, Avenger 4bbl TBI, HP 4bbl TBI, Commander 950 & Digital Pro-Jection Systems
    $60.74
  • Holley CAN to USB Dongle - Communication Cable 558-443

    Holley CAN to USB Dongle - Communication Cable 558-443

    USB/CAN Communication Cable - For Holley EFI - Sniper EFI - Terminator X
    $55.61
    USB/CAN Communication Cable - For Holley EFI - Sniper EFI - Terminator X
    $55.61
  • Holley Main Power Harness for Avenger, HP, and Dominator EFI 558-308

    Holley Main Power Harness for Avenger, HP, and Dominator EFI 558-308

    Main Power Harness for Avenger EFI, HP EFI, & Dominator EFI
    $69.25
    Main Power Harness for Avenger EFI, HP EFI, & Dominator EFI
    $69.25
  • Holley High Current Nitrous Solenoid Driver 554-111

    Holley High Current Nitrous Solenoid Driver 554-111

    High Current Nitrous Solenoid Driver
    $95.65
    High Current Nitrous Solenoid Driver
    $95.65
  • Holley Connector J1A/B Input/Outputs Auxiliary Harness 558-400

    Holley Connector J1A/B Input/Outputs Auxiliary Harness 558-400

    Connector J1A/B Inputs/Outputs Auxiliary Harness for HP EFI & Dominator EFI
    $79.44
    Connector J1A/B Inputs/Outputs Auxiliary Harness for HP EFI & Dominator EFI
    $79.44
  • Holley GPS Digital Dash USB Module 554-140

    Holley GPS Digital Dash USB Module 554-140

    USB Connection for 553-109 & 553-106
    $67.41
    USB Connection for 553-109 & 553-106
    $67.41
  • Holley Coil-Near-Plug Smart Coil 556-112

    Holley Coil-Near-Plug Smart Coil 556-112

    For use with Holley® HP and Dominator ECUs and other EFI systems
    $74.95
    For use with Holley® HP and Dominator ECUs and other EFI systems
    $74.95
  • HP COPPER SPARK PLUG - SHORTY 8199

    HP COPPER SPARK PLUG - SHORTY 8199

    HP COPPER SPARK PLUG - SHORTY
    $35.23
    HP COPPER SPARK PLUG - SHORTY
    $35.23
  • Mr. Gasket Competition Wire Looms - 7 mm / 8 mm 6015

    Mr. Gasket Competition Wire Looms - 7 mm / 8 mm 6015

    Mr. Gasket Competition Wire Looms - 7 mm / 8 mm 6015
    $12.71
    Mr. Gasket Competition Wire Looms - 7 mm / 8 mm 6015
    $12.71
  • MSD GM Small Block 350 HEI Street-Fire Wire Set 5554

    MSD GM Small Block 350 HEI Street-Fire Wire Set 5554

    MSD GM Small Block 350 HEI Street-Fire Wire Set 5554
    $46.27
    MSD GM Small Block 350 HEI Street-Fire Wire Set 5554
    $46.27
  • GM MSD HEI Distributor Cap and Rotor (Red) 8416

    GM MSD HEI Distributor Cap and Rotor (Red) 8416

    GM MSD HEI Distributor Cap and Rotor (Red) 8416
    $37.74
    GM MSD HEI Distributor Cap and Rotor (Red) 8416
    $37.74
  • MSD Blaster SS Coil (Red) 8207

    MSD Blaster SS Coil (Red) 8207

    MSD Blaster SS Coil (Red) 8207
    $64.56
    MSD Blaster SS Coil (Red) 8207
    $64.56
  • MSD 1997-2005 GM LS1 Super Conductor Spark Plug Wire Set 32819

    MSD 1997-2005 GM LS1 Super Conductor Spark Plug Wire Set 32819

    MSD 1997-2005 GM LS1 Super Conductor Spark Plug Wire Set 32819
    $86.51
    MSD 1997-2005 GM LS1 Super Conductor Spark Plug Wire Set 32819
    $86.51

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Painless Wiring Systems and Components for Classic Cars and Trucks

Painless Wiring Harnesses and Components for your hot rod, street rod, muscle car & classic. These model-specific and universal kits are easy to install and are a must-have for any auto restoration.

Electrical Auto Parts


If you want to enjoy modern vehicle conveniences, then you’re going to need some electricity. Power windows, power locks, windshield wipers, air conditioning, navigation and many other features depend on the battery and charging system to keep them running. And that’s before we get to essentials such as the ignition. Our vehicle electrical system parts can be used to replace malfunctioning parts or upgrade an older vehicle. We carry an assortment of universal electrical car components as well as model-specific parts for that Ford Mustang, Pontiac Firebird or Plymouth Barracuda you’ve been tinkering on.


These Painless electrical parts are easy to install and test. You’ll find an assortment of automotive wiring harness kits that include everything to wire your ignition, turn signals, headlights and dimmers the right way the first time. There are also individual harnesses for A/C systems, doors and windows. Complete your electrical circuit upgrade with distribution blocks, battery cables, transmission torque converters and anything else you need. Our DIY experts provide lifetime tech support by phone and email on every part we sell. You can also stop by a retail location and talk in person with people who know cars.