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Old 01-30-2023, 01:47 PM   #1
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4L85 transmission reverse out

2006 Winnebago sightseer 30 ft. reverse suddenly just quit. I am wondering if this is an electrical problem, not a trans shifting problem? Thoughts
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Old 01-30-2023, 06:32 PM   #2
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Google 4L85 no reverse. So sorry for you.
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Old 01-30-2023, 08:00 PM   #3
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Originally Posted by Farmereric View Post
2006 Winnebago sightseer 30 ft. reverse suddenly just quit. I am wondering if this is an electrical problem, not a trans shifting problem? Thoughts
Crawl underneath and disconnect the electrical connector (side of trans) unplug it. Do you see trans fluid inside it? You shouldn't.
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Old 01-31-2023, 07:17 PM   #4
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2000 up gm trucks have internal wiring harness issue.i had a 2000 suburban that lost overdrive,had to replace the harness.
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