Our New Website Is Live - You Will Need To Reset Your Password! Need Help? +1 512-863-0900

Shop by Engine
Shop by Vehicle
Shop by Engine chevron-down

  • Select Engine

Shop by Vehicle chevron-down

  • Select Year

  • Select Make

  • Select Model

  • Select Generation

First Gen CTS-V ECU/Wiring

Loading...
Loading...
Sort by:
sort-descending
  • TSP Standalone Wiring Harness for Drive-by-Cable with T56 - 97-04 Cars & 99-06 Trucks
    Texas Speed & Performance
    TSP Standalone Wiring Harness for Drive-by-Cable with T56 - 97-04 Cars & 99-06 Trucks
    $450.99
    Texas Speed & Performance
    In stock
    Loading...
    Loading...
  • 1997-2004 GM LS1 Throttle by Wire Harness Std. length
    Painless Performance Products
    1997-2004 GM LS1 Throttle by Wire Harness Std. length
    $619.99
    Painless Performance Products
    In stock
    Loading...
    Loading...
  • HP Tuners Gen IV LS Drive-by-Wire EFI Wiring Harness 58x
    HP Tuners
    HP Tuners Gen IV LS Drive-by-Wire EFI Wiring Harness 58x
    $949.99
    HP Tuners
    In stock
    Loading...
    Loading...
  • HOLLEY DOMINATOR EFI KIT - LS2 Main Harness W/ Trans And DBW With EV1 Injector Harnesses
    Holley
    HOLLEY DOMINATOR EFI KIT - LS2 Main Harness W/ Trans And DBW With EV1 Injector Harnesses
    $3,499.95
    Holley
    In stock
    Loading...
    Loading...
  • HOLLEY GM 58X EFI HARNESS KIT
    Holley
    HOLLEY GM 58X EFI HARNESS KIT
    $921.95
    Holley
    In stock
    Loading...
    Loading...
  • HOLLEY GM LS 58X EFI HARNESS KIT
    Holley
    HOLLEY GM LS 58X EFI HARNESS KIT
    $972.95
    Holley
    In stock
    Loading...
    Loading...
  • 1999-2006 GM Gen III 4.8, 5.3 & 6.0L Harness Std. Length
    Painless Performance Products
    1999-2006 GM Gen III 4.8, 5.3 & 6.0L Harness Std. Length
    $599.99
    Painless Performance Products
    In stock
    Loading...
    Loading...
  • 2003-2006 GM Gen III 4.8, 5.3 & 6.0L Throttle by Wire Harness Std. Length
    Painless Performance Products
    2003-2006 GM Gen III 4.8, 5.3 & 6.0L Throttle by Wire Harness Std. Length
    $725.99
    Painless Performance Products
    In stock
    Loading...
    Loading...
  • 1998-2004 GM LS1 Harness Std. Length
    Painless Performance Products
    1998-2004 GM LS1 Harness Std. Length
    $569.99
    Painless Performance Products
    In stock
    Loading...
    Loading...
  • HP Tuners Gen III/IV LS Core ECU
    HP Tuners
    HP Tuners Gen III/IV LS Core ECU
    $1,999.99
    HP Tuners
    In stock
    Loading...
    Loading...
  • Holley Dominator EFI Kit - LS1 Main Harness W/ Trans and DBW with EV1 Injector Harnesses
    Holley
    Holley Dominator EFI Kit - LS1 Main Harness W/ Trans and DBW with EV1 Injector Harnesses
    $3,499.95
    Holley
    In stock
    Loading...
    Loading...
  • HOLLEY DOMINATOR EFI KIT, LS2/3 & LATE TRUCK
    Holley
    HOLLEY DOMINATOR EFI KIT, LS2/3 & LATE TRUCK
    $3,149.95
    Holley
    In stock
    Loading...
    Loading...
  • HP Tuners Gen III LS Drive-by-Cable EFI Wiring Harness 24x
    HP Tuners
    HP Tuners Gen III LS Drive-by-Cable EFI Wiring Harness 24x
    $949.99
    HP Tuners
    In stock
    Loading...
    Loading...
  • Holley LS1/6 (24X/1X) Engine Main Harness, Extended Length
    Holley
    Holley LS1/6 (24X/1X) Engine Main Harness, Extended Length
    $688.95
    Holley
    In stock
    Loading...
    Loading...
  • HOLLEY DOMINATOR EFI KIT, LS1
    Holley
    HOLLEY DOMINATOR EFI KIT, LS1
    $3,149.95
    Holley
    In stock
    Loading...
    Loading...
  • GM Chevrolet Performance LS 376/525 HP Engine Controller Kits
    GM
    GM Chevrolet Performance LS 376/525 HP Engine Controller Kits
    $1,938.76
    GM
    In stock
    Loading...
    Loading...
  • Fuel Tech LS550 SINGLE TURBO Complete Kit
    FTI Performance
    Fuel Tech LS550 SINGLE TURBO Complete Kit
    $3,745.00
    FTI Performance
    In stock
    Loading...
    Loading...
  • HOLLEY DOMINATOR EFI KIT - LS2 Main Harness W/ DBW With EV1 Injector Harnesses
    Holley
    HOLLEY DOMINATOR EFI KIT - LS2 Main Harness W/ DBW With EV1 Injector Harnesses
    $3,449.95
    Holley
    In stock
    Loading...
    Loading...
  • Fuel Tech LS550 V8 Complete Harness
    FTI Performance
    Fuel Tech LS550 V8 Complete Harness
    $999.00
    FTI Performance
    In stock
    Loading...
    Loading...

19 Items