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greenformula92 · 01-30-2013, 05:02 AM

If you have a intact tpi harness I would use that. What you absolutely need are the following connectors: throttle positioning, idle air control, 8 injectors, coolant temp, egr temp (unless tuning out), intake manifold temp, speed sensor, MAF/MAP, O2, and knock sensor. Whatever you don't use just clip off or stuff it back into the harness. The routing is up to you. You can lengthen/shorten the leads as necessary but you need all the engine/speed sensors connected for it to run right.

01-30-2013, 05:02 AM	#4
greenformula92 Join Date: May 2010 Location: Brick, NJ Posts: 1,868 iTrader: (1)	If you have a intact tpi harness I would use that. What you absolutely need are the following connectors: throttle positioning, idle air control, 8 injectors, coolant temp, egr temp (unless tuning out), intake manifold temp, speed sensor, MAF/MAP, O2, and knock sensor. Whatever you don't use just clip off or stuff it back into the harness. The routing is up to you. You can lengthen/shorten the leads as necessary but you need all the engine/speed sensors connected for it to run right. __________________ Formerly known as blk95formula 86t/a_ram_air on TGO 2018 Silverado 1500 Last edited by greenformula92; 01-30-2013 at 05:03 AM.