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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.

Set Descending Direction

7 Item(s)

  • Painless Classic-Plus Customizable 73-87 GM Pickup Truck Chassis Harness - 27 Circuits

    Painless Classic-Plus Customizable 73-87 GM Pickup Truck Chassis Harness - 27 Circuits

    Classic-Plus Customizable 73-87 GM C10 Truck Chassis Harness - 27 Circuits - 20205
    $643.99
    Classic-Plus Customizable 73-87 GM C10 Truck Chassis Harness - 27 Circuits - 20205
    $643.99
  • 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
  • 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
  • 1999-2006 GM Gen III 4.8/5.3/6.0L EFI Harness - Mechanical TB

    Painless 1999-2006 GM Gen III 4.8, 5.3 & 6.0L Harness Standard Length

    1999-2006 GM Gen III 4.8/5.3/6.0L EFI Harness - Mechanical TB - 60217
    $579.99
    1999-2006 GM Gen III 4.8/5.3/6.0L EFI Harness - Mechanical TB - 60217
    $579.99
  • 1999-2006 GM Gen III 4.8/5.3/6.0L EFI Harness - Throttle by Wire

    Painless 1999-2006 GM Gen III 4.8, 5.3 & 6.0L Throttle by Wire Harness Standard Length

    1999-2006 GM Gen III 4.8/5.3/6.0L EFI Harness - Throttle by Wire - 60221
    $699.99
    1999-2006 GM Gen III 4.8/5.3/6.0L EFI Harness - Throttle by Wire - 60221
    $699.99
  • 1998-2004 GM LS1/LS6 EFI Harness

    Painless 1998-2002 GM LS1 Harness Standard Length

    1998-2004 GM LS1/LS6 EFI Harness - 60508
    $549.99
    1998-2004 GM LS1/LS6 EFI Harness - 60508
    $549.99

Set Descending Direction

7 Item(s)

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.