#H9395 - TBI HARNESS: Universal for 1991-95 Trucks Part # H9395 1991-95 big blocks and 1993-95 small block and 4.3 trucks with automatic transmissions use ECM control of the transmission. Several designs are available using two different ECMs for 4L80E and 4L60E transmissions. Allows transplant of late TBI Fuel Injection Conversion using a GM TBI EFI system! 2. Throttle Body Injection = TBI The 4.3, 5.0 and 5.7 TBI's are all the same CFM with 1 11/16th bores. The injectors are different sizes. The 454 is larger with close to 2 inch bores. It is recommended a TBI from about the same size engine to be used in your conversion or larger for high performance built engines. 3. TBI Wiring Harness. Related searches for tbi conversion harness with 4l60e 4l60e wire harness4l60e wiring harness kit4l60e transmission harness4l60e transmission wire harness4l60e harness connector4l60e internal harness4l60e conversion kitcheck 4l60e wiring harness