Box For Computer Wiring Harness. I used this when I did my swap in winter 20112012 and it went great. 91461215510 1973-76 Cable from center console to dash combo gauge wo center console.
Here are the PCM pinouts from AllData for both the 1999 43l was in my Blazer and a 2002 Chevy Express 57 Vortec. Wiring harness tape that I used. I did all the wiring as described but had no power throughout the car.
I used this when I did my swap in winter 20112012 and it went great.
Take note of the connection to the left of the all the computer wiring connections. I did all the wiring as described but had no power throughout the car. Therefore what kind of components to use in manufacturing the wiring harness and how many will be determined by the application as well as the environmental conditions that the product is intended for. These harnesses include the Gen II LT1LT4 Gen III 24x LS1LS6 and Vortec Truck Engines as well as Gen IV 58x LS2 LS3 LS7 Vortec and GEN V LT ECOTEC3 Engines.