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04-01-2013, 01:10 PM
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Registered User
Join Date: Jun 2011
Location: Sneedville, TN
Posts: 831
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4L80e shifting trouble
I am putting a 4L80e behind a 5.3 and it is not shifting right.
I have a PSI harness with the right connectors for the trans. My tuner is using hptuners We can manually toogle the shift solenoids with a scanner, but the ecm will not activate the solenoids. Can we reflash the 5.3 ecm to work with the 4L80e somehow?
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High School Project I ---http://67-72chevytrucks.com/vboard/s...d.php?t=639174 High School Project II ---http://67-72chevytrucks.com/vboard/s...27#post7290427 High School Project III ---http://67-72chevytrucks.com/vboard/s...d.php?t=715832 High School Project IV (Tyler) ---http://67-72chevytrucks.com/vboard/s...d.php?t=780186 |
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