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LS electrical parts for Classic Chevy and Ford cars and trucks, featuring a wiring harness, connectors, and components to support LS and LT engine installations.

LS Electrical

Shop here at Classic Performancr Products (CPP) for LS and LT Engine Wiring Harness, Electrical Components, and everything you need to power a successful LS engine swap in your classic car. Classic Performance Products (CPP) is your trusted source for all the LS swap wiring and electrical components necessary ... for a smooth and trouble-free conversion process. We offer a range of high-quality harnesses and parts designed specifically for LS swaps in classic cars.

Everything You Need for LS Electrical Systems
Whether you need individual components or complete LS swap kits with turn-key standalone engine harnesses and parts, CPP has you covered. Our selection of electrical components and harnesses ensures a hassle-free LS engine swap, delivering long-lasting performance to meet the specific demands of a wide range of classic makes and models. From Chevy trucks and Tri-Five Chevys to Ford cars and trucks, we offer products to integrate seamlessly, ensuring a smooth and reliable upgrade to your classic car's LS or LT engine conversion project.

Why Trust CPP for LS Engine Wiring Harness and Electrical Components
At Classic Performance Products (CPP), we understand the intricacies of LS engine conversions and the crucial role of wiring harnesses and electrical components. While we offer a selection of trusted aftermarket products, our expertise and experience ensure you get the right solutions for your project. Our curated products make the job easier, providing reliable performance and integration for your classic car or truck. Trust CPP to guide you with quality and confidence in every step of your LS engine swap.

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  1. PSI DBW LS2 58X w/ 4L60E Wiring Harness

    2005-2007 LS2 58x with 4L60E

    Add to Compare Vendor Takes 10 Days to Ship
    Part # HAR-1064
    0%
    $659.00
  2. PSI Gen IV Engine w/ 6L80E Standalone Wiring Harness

    2006-Present 58x Engines with 6L80 or 6L90E

    Add to Compare Vendor Takes 10 Days to Ship
    Part # HAR-1086
    0%
    $719.00
  3. PSI Gen IV Manual Standalone Wiring Harness w/ T56/TR6060

    2008-2013 LS3 Manual Transmission with T56/TR6060

    Add to Compare Vendor Takes 10 Days to Ship
    Part # HAR-1037
    0%
    $569.00
  4. PSI LS1 Tac Module Harness

    LS1

    Add to Compare Vendor Takes 10 Days to Ship
    Part # HAR-1022
    0%
    $45.00
  5. PSI Vortec DBC w/ T56 Standalone Wiring Harness w/ LS3 Injectors

    1999-2006 Vortec with T56 and with LS3 Injectors

    Add to Compare Vendor Takes 10 Days to Ship
    Part # HAR-1093
    0%
    $549.00
  6. PSI Vortec DBW w/ 4L60E Standalone Wiring Harness w/ LS1 Injectors

    1999-2006 Vortec Chevy, GMC, Cadillac and Hummer Truck Engines with 4L60E with LS1 Injectors

    Add to Compare Vendor Takes 10 Days to Ship
    Part # HAR-1090
    0%
    $549.00
  7. PSI Conversion LS Wiring Harness for 2005-2006 GM LS2 with 4L60E

    2005-2006 GM LS2 with 4L60E

    Add to Compare Vendor Takes 10 Days to Ship
    Part # HAR-1094
    0%
    $664.00
  8. PSI Gen IV Standalone Wiring Harness w/ 4L60E

    2008-2013 LS3 with 4L60E

    Add to Compare Vendor Takes 10 Days to Ship
    Part # HAR-1038
    0%
    $659.00
  9. PSI Wiring Harness w/ 4L60E

    2010-2013 L99 with 4L60E

    Add to Compare Vendor Takes 10 Days to Ship
    Part # HAR-1068
    0%
    $659.00
  10. PSI Gen IV Auto Transmission Wiring Harness 4L60E

    Auto Transmission with 4L60E

    Add to Compare Vendor Takes 10 Days to Ship
    Part # HAR-1036
    0%
    $659.00
  11. PSI Gen IV Standalone Wire Harness w/ T56/TR6060

    2006-2013 LS7 with T56/TR6060

    Add to Compare Vendor Takes 10 Days to Ship
    Part # HAR-1035
    0%
    $569.00
  12. PSI DBC LT1/LT4 w/ T56 Standalone Wiring Harness

    1994-1995 Vortec LT1 or LT4 with T56

    Add to Compare Vendor Takes 10 Days to Ship
    Part # HAR-1006
    0%
    $519.00
  13. PSI DBC T56 Standalone Wiring Harness

    1999-2003 Vortec with T56

    Add to Compare Vendor Takes 10 Days to Ship
    Part # HAR-1019
    0%
    $549.00
  14. PSI Auto Trans Wiring Harness w/ 6L80E for 2008 LS2 6.0L Auto Transmission with 6L80E

    2008 LS2 6.0L Auto Transmission with 6L80E

    Add to Compare Vendor Takes 10 Days to Ship
    Part # HAR-1078
    0%
    $719.00
  15. PSI Wiring Harness LY6 w/ 6L80E

    2009-2013 6.0L or 6.2L LY6 with 6L80E

    Add to Compare Vendor Takes 10 Days to Ship
    Part # HAR-1074
    0%
    $719.00
  16. PSI T56/TR6060 Manual Transmission Wiring Harness

    T56 or TR6060 Manual Transmission

    Add to Compare Vendor Takes 10 Days to Ship
    Part # HAR-1065
    0%
    $569.00
  17. PSI Gen IV (58X) LS Engine Wiring Harness

    LSX 2007 W/4L60E-75/4L80E

    Add to Compare Vendor Takes 10 Days to Ship
    Part # PKIT-1028
    0%
    $1,430.00
  18. PSI 58X w/ 4L60E Wiring Harness DBW

    2008 LS2 6.0L 58x with 4L60E

    Add to Compare Vendor Takes 10 Days to Ship
    Part # HAR-1066
    0%
    $659.00
  19. PSI Wiring Harness LH8 w/ 6L80E

    2009-2014 5.3L LY5, LMG or LH8 with 6L80E

    Add to Compare Vendor Takes 10 Days to Ship
    Part # HAR-1073
    0%
    $719.00
  20. Go Shift GM 4L60/4L80 Transmission Controller

    Go Shift Stand Alone Trans Control Unit GM/ 4L60/ 4L65/ 4L80/ 4L85

    Add to Compare Vendor Takes 14 Days to Ship
    Part # FI20010
    0%
    $599.00
  21. PSI Vortec w/ 6L80E Auto Transmission Wiring Harness

    2006-2013 LS7 Vortec with 6L80E Auto Transmission

    Add to Compare Vendor Takes 10 Days to Ship
    Part # HAR-1070
    0%
    $719.00
  22. PSI DBC LS1 w/ 4L60E Standalone Wiring Harness

    1997-2002 LS1 with 4L60E

    Add to Compare Vendor Takes 10 Days to Ship
    Part # HAR-1012
    0%
    $549.00
  23. PSI Gen IV Manual Transmission Wire Harness w/ T56/TR6060

    2008-2009 Manual Transmission with T56/TR6060

    Add to Compare Vendor Takes 10 Days to Ship
    Part # HAR-1045
    0%
    $569.00
  24. PSI Vortec w/ 4L60E Standalone Wiring Harness

    Vortec with 4L60E with EV6 Injectors

    Add to Compare Vendor Takes 10 Days to Ship
    Part # HAR-1030
    0%
    $579.00
  25. PSI Wiring Harness LH6 w/ 6L80E w/ EV6 Injectors

    2005-2014 LH6 with 6L80E with EV6 Injectors

    Add to Compare Vendor Takes 10 Days to Ship
    Part # HAR-1058
    0%
    $589.00
  26. PSI Vortec DBW w/ 4L60E / 4L80E Standalone Wiring Harness

    5-Pin (A/C)

    Add to Compare Vendor Takes 10 Days to Ship
    Part # HAR-1084
    0%
    $614.00
  27. PSI Vortec LY6/L92 Standalone Wiring Harness

    2007-2008 Vortec LY6/L92

    Add to Compare Vendor Takes 10 Days to Ship
    Part # HAR-1040
    0%
    $659.00
  28. PSI Standalone Wiring Harness w/ 4L60E

    4L60E

    Add to Compare Vendor Takes 10 Days to Ship
    Part # HAR-1016
    0%
    $599.00
  29. PSI Auto Trans Wiring Harness w/ 6L80E for 2008-2013 LS3 6.2L Automatic Transmission with 6L80E

    2008-2013 LS3 6.2L Automatic Transmission with 6L80E

    Add to Compare Vendor Takes 10 Days to Ship
    Part # HAR-1071
    0%
    $719.00
  30. PSI Auto Trans L76 Wiring Harness w/ 6L80E

    2008-2009 L76 with 6L80E

    Add to Compare Vendor Takes 10 Days to Ship
    Part # HAR-1075
    0%
    $719.00
  31. PSI Vortec w/ T56 Standalone Wiring Harness

    2003-2007 GM Vortex with T56

    Add to Compare Vendor Takes 10 Days to Ship
    Part # HAR-1015
    0%
    $579.00
  32. PSI Vortec T56/TR6060 Standalone Wiring Harness

    2007-2008 Vortec T56/TR6060

    Add to Compare Vendor Takes 10 Days to Ship
    Part # HAR-1039
    0%
    $569.00
  33. PSI Gen IV Wire Harness Manual Transmission w/ T56/TR6060

    2005-2007 LS2 Manual Transmission with T56/TR6060

    Add to Compare Vendor Takes 10 Days to Ship
    Part # HAR-1063
    0%
    $569.00
  34. PSI DBC Standalone Wiring Harness w/ LS3 Injectors

    1999-2006 Vortec Chevy, GMC, Cadillac and Hummer Truck Engines with T56 with LS3 Injectors

    Add to Compare Vendor Takes 10 Days to Ship
    Part # HAR-1092
    0%
    $549.00
  35. PSI LS1 Oxygen Sensor Ext. Harness 4 Wire Square Gray

    4-Wire, Square, Gray, LS1

    Add to Compare Vendor Takes 10 Days to Ship
    Part # HAR-1024
    0%
    $19.00
  36. PSI DBW w/ T56/TR6060 Wiring Harness

    2010-2013 T56/TR6060

    Add to Compare Vendor Takes 10 Days to Ship
    Part # HAR-1067
    0%
    $569.00
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