4l80e swap 2nd gear start issues
02-27-2017, 08:24 PM
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4l80e swap 2nd gear start issues I'm trying to diagnose a buddies 4L80E swap in his 2000 SS. It's a starting in 2nd gear. Should pin 22 or 23 have voltage at all key on or are they've just to ground? He is using the speartech harness. The pcm has a segment swap we believe to be good. Thanks
Last edited by 99pewterZ71; 02-28-2017 at 12:11 AM.
