Painless Performance 60505 Extended Length Fuel Injection Harness for 1992-1997 GM LT1/LT4

★★★★★ 4.3 86 reviews

$744.99
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$744.99
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Management number 231541297 Release Date 2026/06/18 List Price $298.00 Model Number 231541297
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This harness is standalone and is not intended to replace the OEM engine wiring. Standalone harnesses are intended to run the designated engine & transmission only, generally when swapped into another vehicle. This harness is designed for 1992-1997 5. 7L LT1/LT4 & 4. 3L (V8) L99 engines with a 4L60E transmission, using a '94-'97 ECM. This harness will not work with ’92-’93 ECMs. These engines and transmissions were factory equipped in Camaro, Firebird, Corvette, Road master, Impala and Caprice. These harnesses also include a VATS bypass module. The 4L60E transmission used must be a 1994+ which utilizes a 13th pin on the transmission connector. When using either of these harnesses on a '96 or '97 engine you must replace the coil, coil output wire and knock sensor with the parts from a '92 -'95 engine. Included with this harness is an 8-circuit modular fuse block and GM color coded wires with labels for easy installation. This extended length harness allows eight feet from the back of the intake manifold to where the fuse block and ECM mount. . . perfect for those that plan to mount these components under the seat or in the center console. This kit includes: All new fuel injection harness with OEM fitment connectors and harness breakouts; OBDII connector, mounting bracket and check engine light; Vehicle Anti Theft System (VATS) bypass module; Rubber grommet and mounting hardware, Installation manual. This harness also requires the following mating parts; ECM #16188051 or #88961150. We recommend checking the online manual for the full list of required mating parts prior to ordering.

  • Painless fuel injection wiring utilizes all new TXL wire, OEM fitment connectors and grouped harness breakouts making for an easy install and saving you from using old re-worked wiring; Machine crimped terminals match OE quality
  • Every EFI harness is tested before leaving our facility, ensuring that each connector is properly pinned out and seated…no chasing mis-pinned connections with Painless EFI wiring
  • Diagnostic port and check engine light included with powder coated bracket, allowing you to check codes and troubleshoot just like a new OE vehicle; See product details below for additional fitment information
  • When reliability and performance can't be compromised, you want TXL Wire - not the inexpensive primary wire you find in other harnesses; High strand count copper and high-quality insulation makes for high abrasion resistance and easy routing
  • American Made, American Proud Since 1990: Every Painless harness is proudly produced in Fort Worth, TX, where we also staff our unmatched Technical Support department. ; Need help during install…simply give us a call
UPC 749823605053
ASIN B000N8GOHC
Model 60505
Brand Name Painless
Cable Type TXL Wire
Unit Count 1.0 Count
Item Weight 10 Pounds
Part Number 60505
Manufacturer Painless Performance Products, LLC
Material Type Copper
Item Type Name Extended Length Fuel Injection Harness for 1992-1997 GM LT1/LT4
Included Components Harness, instructions
Warranty Description Limited Lifetime
Part Interchange Info 60505
Global Trade Identification Number 00749823605053

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