Finally putting the tbi on my '87, and am changing the harness with one I know is good. The ecm1 fuse blew the last time it was running, and not knowing the cause, I'm changing the harness, injectors, ECM and other pieces with known good ones from a near identical parts truck i had.
First, I was wanting to know what this wire is, and where it goes, as the connector was missing off of it on my old harness image.jpg
Another question, the ground connector that comes out of the right rear of the harness, how important is it? In changing harnesses I realized my old harness did not have this ground anymore, only parts of the wires were left and it was not hooked up. Just wondering if this could have been the cause of some of my previous problems.
I have ordered the moates auto prom and the g2 adaptor - should be here by next week. Just wondering if there are modified bins for a 400 small block that would be a good staring point for tuning. I'm running a 406ci sbc, 8.5:1 c/r and stock cam afaik. Th400 trans, 3.73 gears.
Thanks guys, this has got to be the best tuning site on he web!!!
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