2014-17 Gen V 4 WIRE 5.3/6.2 LT1 L83 L84 L86 L87 w/ 4L80E Standalone Harness 1993+ LT1 injector adapter and custom wiring harness builds

and custom wiring harness builds

and LT1 applications that need EV1-style compatibility

poor idle quality

Some TCMs may require reprogramming

2014-17 Gen V 4 WIRE 5.3/6.2 LT1 L83 L84 L86 L87 w/ 4L80E Standalone Harness 1993+ LT1 injector adapter and custom wiring harness buildsWE also have GEN V 6L80E 6L90E T56 3 wire 4 wire 8L90E 3 wire 4 wire WARNING:: WARNING: ECU NOT INCLUDED This is a 4 wire. In 2017 is was a split year for 3 wire and 4 wire so please make sure you know which wire you have. This harness is for a car or truck pedal. This harness is also for a 2 wire alternator. If you have a 4 wire alternator which is rare then you can buy a convertor adapter from holley. Description This is the same setup that