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spankyjr1
spankyjr1, Journeyman
Category: Medium and Heavy Trucks
Satisfied Customers: 2561
Experience:  I worked on all types of equipment semis,forklifts,farm,ect.
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2005 kenworth w900 has eaton autoshift 10 speed. can it be

Customer Question

2005 kenworth w900 has eaton autoshift 10 speed. can it be converted to 13 speed manual? if so, how are they wired? seperated manual trans harness etc?
Submitted: 6 months ago.
Category: Medium and Heavy Trucks
Customer: replied 6 months ago.
auto trans is a gen 2
Expert:  spankyjr1 replied 6 months ago.

Good morning sorry for delay

Yes it can be converted.

You will need to have driveline shortened since 13 speed trans is longer,

The engine ecm will need to be reprogrammed to a manual trans to eliminate neutral safety switch and shut off communications between the two ecm's

You would also disconnect power harness for the autoshift and run new VSS wiring from new trans to engine ecm all old trans wiring won't be needed

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Customer: replied 6 months ago.
I have all of the above covered as far a s changing parameters etc. my main issue was wiring, I guess I was under the impression I'd use some of not all of the original sensor connections. But I see I will remove all of the OE wiring for the auto trans and fabricate my own. Thanks
Customer: replied 6 months ago.
Also yes 13 speed is roughly 4" longer than 10 speed.
Expert:  spankyjr1 replied 6 months ago.

The only trans sensor/wiring you will need is the VSS wiring,, a two wire harness that needs to run from VSS to ECM

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