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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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  • DIABLOSPORT PREDATOR 2 7202

    DIABLOSPORT PREDATOR 2 7202

    DIABLOSPORT PREDATOR 2
    $345.95
    DIABLOSPORT PREDATOR 2
    $345.95
  • DIABLOSPORT INTUNE I3 PLATINUM 8345

    DIABLOSPORT INTUNE I3 PLATINUM 8345

    DIABLOSPORT INTUNE I3 PLATINUM
    $391.95
    DIABLOSPORT INTUNE I3 PLATINUM
    $391.95
  • DIABLOSPORT TRINITY 2 EX PLATINUM 9345-D

    DIABLOSPORT TRINITY 2 EX PLATINUM 9345-D

    DIABLOSPORT TRINITY 2 EX PLATINUM
    $599.95
    DIABLOSPORT TRINITY 2 EX PLATINUM
    $599.95
  • DIABLOSPORT INTUNE I3 PLATINUM 8245

    DIABLOSPORT INTUNE I3 PLATINUM 8245

    DIABLOSPORT INTUNE I3 PLATINUM
    $391.95
    DIABLOSPORT INTUNE I3 PLATINUM
    $391.95
  • HOLLEY EFI 6.86'' PRO DASH 553-112

    HOLLEY EFI 6.86'' PRO DASH 553-112

    HOLLEY EFI 6.86'' PRO DASH
    $999.95
    HOLLEY EFI 6.86'' PRO DASH
    $999.95
  • EDGE DIESEL EVOLUTION CTS2 85400

    EDGE DIESEL EVOLUTION CTS2 85400

    EDGE DIESEL EVOLUTION CTS2
    $707.95
    EDGE DIESEL EVOLUTION CTS2
    $707.95
  • Edge Insight CTS3 84130-3

    Edge Insight CTS3 84130-3

    Edge Insight CTS3
    $399.95
    Edge Insight CTS3
    $399.95
  • EDGE DIESEL EVOLUTION CS2 85300

    EDGE DIESEL EVOLUTION CS2 85300

    EDGE DIESEL EVOLUTION CS2
    $520.95
    EDGE DIESEL EVOLUTION CS2
    $520.95
  • EDGE EVOLUTION CTS2 85450

    EDGE EVOLUTION CTS2 85450

    EDGE EVOLUTION CTS2
    $624.95
    EDGE EVOLUTION CTS2
    $624.95
  • TERMINATOR X MAX 58X/4X EV6 LS MPFI KIT WITH DBW THROTTLE BODY CONTROL 550-931

    TERMINATOR X MAX 58X/4X EV6 LS MPFI KIT WITH DBW THROTTLE BODY CONTROL 550-931

    TERMINATOR X MAX 58X/4X EV6 LS MPFI KIT WITH DBW THROTTLE BODY CONTROL
    $1,299.95
    TERMINATOR X MAX 58X/4X EV6 LS MPFI KIT WITH DBW THROTTLE BODY CONTROL
    $1,299.95
  • SUPERCHIPS FLASHCAL 3571-JL

    SUPERCHIPS FLASHCAL 3571-JL

    SUPERCHIPS FLASHCAL
    $254.95
    SUPERCHIPS FLASHCAL
    $254.95
  • PULSAR 2015-2018 RAM 1500 5.7L HEMI 32451

    PULSAR 2015-2018 RAM 1500 5.7L HEMI 32451

    PULSAR 2015-2018 RAM 1500 5.7L HEMI
    $509.95
    PULSAR 2015-2018 RAM 1500 5.7L HEMI
    $509.95
  • PULSAR FOR 2019 RAM 1500 5.7L HEMI 32453

    PULSAR FOR 2019 RAM 1500 5.7L HEMI 32453

    PULSAR FOR 2019 RAM 1500 5.7L HEMI
    $509.95
    PULSAR FOR 2019 RAM 1500 5.7L HEMI
    $509.95
  • SUPERCHIPS F5 FLASHPAQ 3874

    SUPERCHIPS F5 FLASHPAQ 3874

    SUPERCHIPS F5 FLASHPAQ
    $364.95
    SUPERCHIPS F5 FLASHPAQ
    $364.95
  • TERMINATOR X 24X/1X EV1 LS MPFI KIT 550-903

    TERMINATOR X 24X/1X EV1 LS MPFI KIT 550-903

    TERMINATOR X 24X/1X EV1 LS MPFI KIT
    $999.95
    TERMINATOR X 24X/1X EV1 LS MPFI KIT
    $999.95
  • TERMINATOR X MAX 24X /1X MULTEC 2 LS MPFI KIT WITH TRANSMISSION CONTROL 550-917

    TERMINATOR X MAX 24X /1X MULTEC 2 LS MPFI KIT WITH TRANSMISSION CONTROL 550-917

    TERMINATOR X MAX 24X /1X MULTEC 2 LS MPFI KIT WITH TRANSMISSION CONTROL
    $1,299.95
    TERMINATOR X MAX 24X /1X MULTEC 2 LS MPFI KIT WITH TRANSMISSION CONTROL
    $1,299.95
  • TERMINATOR X MAX 24X/1X EV1 LS MPFI KIT WITH TRANSMISSION CONTROL 550-916

    TERMINATOR X MAX 24X/1X EV1 LS MPFI KIT WITH TRANSMISSION CONTROL 550-916

    TERMINATOR X MAX 24X/1X EV1 LS MPFI KIT WITH TRANSMISSION CONTROL
    $1,299.95
    TERMINATOR X MAX 24X/1X EV1 LS MPFI KIT WITH TRANSMISSION CONTROL
    $1,299.95
  • SUPERCHIPS F5 FLASHPAQ 1845

    SUPERCHIPS F5 FLASHPAQ 1845

    SUPERCHIPS F5 FLASHPAQ
    $364.95
    SUPERCHIPS F5 FLASHPAQ
    $364.95
  • TERMINATOR X 24X/1X MULTEC 2 LS MPFI KIT 550-904

    TERMINATOR X 24X/1X MULTEC 2 LS MPFI KIT 550-904

    TERMINATOR X 24X/1X MULTEC 2 LS MPFI KIT
    $999.95
    TERMINATOR X 24X/1X MULTEC 2 LS MPFI KIT
    $999.95
  • TERMINATOR X 58X/4X EV6 LS MPFI KIT 550-905

    TERMINATOR X 58X/4X EV6 LS MPFI KIT 550-905

    TERMINATOR X 58X/4X EV6 LS MPFI KIT
    $999.95
    TERMINATOR X 58X/4X EV6 LS MPFI KIT
    $999.95
  • TERMINATOR X MAX 58X/4X EV6 LS MPFI KIT WITH DBW THROTTLE BODY AND TRANSMISSION CONTROL 550-928

    TERMINATOR X MAX 58X/4X EV6 LS MPFI KIT WITH DBW THROTTLE BODY AND TRANSMISSION CONTROL 550-928

    TERMINATOR X MAX 58X/4X EV6 LS MPFI KIT WITH DBW THROTTLE BODY AND TRANSMISSION CONTROL
    $1,499.95
    TERMINATOR X MAX 58X/4X EV6 LS MPFI KIT WITH DBW THROTTLE BODY AND TRANSMISSION CONTROL
    $1,499.95
  • TERMINATOR X MAX 58X/4X EV6 LS MPFI KIT WITH TRANSMISSION CONTROL 550-918

    TERMINATOR X MAX 58X/4X EV6 LS MPFI KIT WITH TRANSMISSION CONTROL 550-918

    TERMINATOR X MAX 58X/4X EV6 LS MPFI KIT WITH TRANSMISSION CONTROL
    $1,299.95
    TERMINATOR X MAX 58X/4X EV6 LS MPFI KIT WITH TRANSMISSION CONTROL
    $1,299.95
  • TERMINATOR X FOXBODY 5.0 MPFI KIT 550-937F

    TERMINATOR X FOXBODY 5.0 MPFI KIT 550-937F

    TERMINATOR X FOXBODY 5.0 MPFI KIT
    $1,149.95
    TERMINATOR X FOXBODY 5.0 MPFI KIT
    $1,149.95
  • TERMINATOR X MAX 24X/1X EV6 LS MPFI KIT WITH TRANSMISSION CONTROL 550-919

    TERMINATOR X MAX 24X/1X EV6 LS MPFI KIT WITH TRANSMISSION CONTROL 550-919

    TERMINATOR X MAX 24X/1X EV6 LS MPFI KIT WITH TRANSMISSION CONTROL
    $1,299.95
    TERMINATOR X MAX 24X/1X EV6 LS MPFI KIT WITH TRANSMISSION CONTROL
    $1,299.95
  • TERMINATOR X 24X/1X EV6 LS MPFI KIT 550-909

    TERMINATOR X 24X/1X EV6 LS MPFI KIT 550-909

    TERMINATOR X 24X/1X EV6 LS MPFI KIT
    $999.95
    TERMINATOR X 24X/1X EV6 LS MPFI KIT
    $999.95
  • TERMINATOR X MAX 24X /1X MULTEC 2 LS MPFI KIT WITH DBW THROTTLE BODY AND TRANSMISSION CONTROL 550-927

    TERMINATOR X MAX 24X /1X MULTEC 2 LS MPFI KIT WITH DBW THROTTLE BODY AND TRANSMISSION CONTROL 550-927

    TERMINATOR X MAX 24X /1X MULTEC 2 LS MPFI KIT WITH DBW THROTTLE BODY AND TRANSMISSION CONTROL
    $1,499.95
    TERMINATOR X MAX 24X /1X MULTEC 2 LS MPFI KIT WITH DBW THROTTLE BODY AND TRANSMISSION CONTROL
    $1,499.95
  • SUPERCHIPS F5 FLASHPAQ 2845

    SUPERCHIPS F5 FLASHPAQ 2845

    SUPERCHIPS F5 FLASHPAQ
    $364.95
    SUPERCHIPS F5 FLASHPAQ
    $364.95
  • SUPERCHIPS FLASHCAL 3571

    SUPERCHIPS FLASHCAL 3571

    SUPERCHIPS FLASHCAL
    $203.95
    SUPERCHIPS FLASHCAL
    $203.95
  • AFM/DFM DISABLER-RED RA003R

    AFM/DFM DISABLER-RED RA003R

    AFM/DFM DISABLER-RED
    $189.00
    AFM/DFM DISABLER-RED
    $189.00
  • AFM/DFM Disabler-Blue RA003B

    AFM/DFM Disabler-Blue RA003B

    AFM/DFM Disabler-Blue
    $189.00
    AFM/DFM Disabler-Blue
    $189.00
  • American Autowire HEADLIGHT ENHANCEMENT RELAY KIT with GM relays 500431

    American Autowire HEADLIGHT ENHANCEMENT RELAY KIT with GM relays 500431

    American Autowire HEADLIGHT ENHANCEMENT RELAY KIT with GM relays
    $109.00
    American Autowire HEADLIGHT ENHANCEMENT RELAY KIT with GM relays
    $109.00
  • American Autowire CARPET CHANNEL (8 feet in length ) 500716

    American Autowire CARPET CHANNEL (8 feet in length ) 500716

    American Autowire CARPET CHANNEL (8 feet in length )
    $16.00
    American Autowire CARPET CHANNEL (8 feet in length )
    $16.00
  • American Autowire UNIVERSAL RELAY KIT, Relay (40 amp), Fuse and wiring. 500479

    American Autowire UNIVERSAL RELAY KIT, Relay (40 amp), Fuse and wiring. 500479

    American Autowire UNIVERSAL RELAY KIT, Relay (40 amp), Fuse and wiring.
    $22.00
    American Autowire UNIVERSAL RELAY KIT, Relay (40 amp), Fuse and wiring.
    $22.00
  • American Autowire GROUNDING KIT - full vehicle 500717

    American Autowire GROUNDING KIT - full vehicle 500717

    American Autowire GROUNDING KIT - full vehicle
    $199.00
    American Autowire GROUNDING KIT - full vehicle
    $199.00
  • American Autowire VOLTMETER, 1968-69 Camaro, replacement for stock ammeter 510121

    American Autowire VOLTMETER, 1968-69 Camaro, replacement for stock ammeter 510121

    American Autowire VOLTMETER, 1968-69 Camaro, replacement for stock ammeter
    $120.00
    American Autowire VOLTMETER, 1968-69 Camaro, replacement for stock ammeter
    $120.00
  • American Autowire GROUND STRAP, 12 in, medium duty 3/8" bolt hole on both ends. 500350

    American Autowire GROUND STRAP, 12 in, medium duty 3/8" bolt hole on both ends. 500350

    American Autowire GROUND STRAP, 12 in, medium duty 3/8" bolt hole on both ends.
    $7.00
    American Autowire GROUND STRAP, 12 in, medium duty 3/8" bolt hole on both ends.
    $7.00
  • American Autowire IGNITION SWITCH ADAPTER - GM COLUMN 500257

    American Autowire IGNITION SWITCH ADAPTER - GM COLUMN 500257

    American Autowire IGNITION SWITCH ADAPTER - GM COLUMN
    $8.00
    American Autowire IGNITION SWITCH ADAPTER - GM COLUMN
    $8.00
  • American Autowire 6ga. High Amp Alternator Connection Kit 510475

    American Autowire 6ga. High Amp Alternator Connection Kit 510475

    American Autowire 6ga. High Amp Alternator Connection Kit
    $49.00
    American Autowire 6ga. High Amp Alternator Connection Kit
    $49.00
  • American Autowire CONNECTOR, female 6 way 56 series .25 with terminals. 500194

    American Autowire CONNECTOR, female 6 way 56 series .25 with terminals. 500194

    American Autowire CONNECTOR, female 6 way 56 series .25 with terminals.
    $5.00
    American Autowire CONNECTOR, female 6 way 56 series .25 with terminals.
    $5.00
  • American Autowire DIMMER SWITCH, 3 contact, .25 blade connection. 500042

    American Autowire DIMMER SWITCH, 3 contact, .25 blade connection. 500042

    American Autowire DIMMER SWITCH, 3 contact, .25 blade connection.
    $8.00
    American Autowire DIMMER SWITCH, 3 contact, .25 blade connection.
    $8.00

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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.