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Re: 2017 Allison 2200RS troubleshooting
Posted to HD/Fleet Forum on 7/28/2026 1 Reply

All of the solenoids (ALL, not just related) "ohmzed" OK from the passthrough connector. And showed plausible amperage. (I have no specs for that).

SS2 is commanded ON in neutral, reverse, and gears 1 through 3. It is commanded OFF in 4 and 5, and it is ON a... Login to read more.

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