TBI Wire Harness | TBI Wiring | SSW | Standalone GM Wire 1992-95 TBI wire harnesses can also be designed to the length you specify. In 1992 the 4L60E transmission was placed in the CK Chevy trucks. In 1992 the 4L60E transmission was placed in the CK Chevy trucks. TBI Wiring Harness – Affordable Fuel Injection Home / TBI Wiring Harness. TBI Wiring Harness. Starting from 265 4L60E (Stand Alone) 4L80E (Stand Alone) Other Automatic Transmission; Options. $0 This is a basic TBI harness for all engines using ECM 1227747 and 1228746 type ECM-many others can be used. Basic connections are standard but it is easy to customize one for your needs.