Originally Posted by
skeet
almost foregot, you dont want a 99-02 wiring harness and a 03 and up pcm the connectors wont interchange, and vice versa
yeah i have read that thread, very useful...The ecm he gave me says green and blue connector, and the harness on the engine that it came with has red and blue connectors. I'm sure this is the harness because it was attached and looks oem. Now the ecm was seperate and I know they separate them all the time.
Looks like he did give me the wrong pcm after all.
so any 5.3 pcm will work although i'm going to use a 4l60e...I understand any old 350, 400, or 700 will do no matter what. But the 4l60 is controlled by the pcm to shift. does it matter what service number i get?
Thanks
Last edited by rammor02; 10-13-2008 at 10:47 PM.
93 ECSB...lq4 6.0 swap, 255 walbro,cai, ported tb, shorty headers, 3" exhaust, tune,electric fans, NX wet kit 100 shot, 2/4 drop, beltech shocks, boss 335 22's, 295/30/22...looking for a cam.
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