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Re: Allison 4000 Series wiring diagrams
Posted to Transmission Forum on 6/20/2008

Here are the clutch apply's for each gear. All I have is the 5 speed.

5 speed:

1st gear: C1 & C5

2nd gear: C1 & C4

3rd gear: C1 & C3

4th gear: C1 & C2

5th gear: C2 & C3

Anyone know what 6th gear uses?

Here is what I came up with codes:

P0218-... Login to read more.