No, it would not be as easy as a direct swap. The M104 has a much different harness and control systems. It is possible, but an M104 will require some modifications, some work, and a lot of time to make it work.

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Ali Al-Chalabi

2001 CLK55
1999 Dodge Ram 2500 Cummins Diesel
2002 Harley-Davidson Fatboy
Merlin Extralight w/ Campy Record