4l80 wireing help in 09 sierra
Jul 20, 2012 | 02:37 PM
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From: longview tx
4l80 wireing help in 09 sierra
I have an 09 gmc crew with 4.8. Originaly had a 4l60 in got a 80 installed but dnt knw what to do about the wireing. 09 has an internal neutral saftey switch. Any ideas?
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