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Old 04-11-2017, 06:39 PM   #1
85raiderburban
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Join Date: Nov 2014
Location: between AZ & NV
Posts: 67
4l80 manual shift stuck in limp mode

Finished my 4l80 swap a few days ago. On the case connector, i have 12v to Pin E and Solenoids A and B grounded to toggle switches in the interior. She remains stuck in limp mode (2nd gear only).

this is how Ive got it wired
https://www.youtube.com/watch?v=u1bA2pPm8G8

I don't have the TCC wired to ground yet. I also do not have the force motor/ PCS wired to to 12v or ground. Could this be the culprit? Or is it something else?
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'80 Suburban C20 (C6P) (Silverado)
- '68 472 (Edelbrock 1813, PH8026 LT's, H pipe) / '91 4L80 (manual shift,vac modulator, 350 converter) / 14B FF 3.21 G80 34' s/ '96 GMT400 interior

Last edited by 85raiderburban; 04-11-2017 at 06:57 PM.
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