1. yes you can put a series three module in a 77 to run a series three head. Probably would have to find one from a salvage yard.
2. I am not sure if there is enough room in the corner column on a 77 cab. Might be able to be done but not sure.
3. Yes. I think it uses a different shaft across the front of the shoe. but otherwise it fits in.
2. I am not sure if there is enough room in the corner column on a 77 cab. Might be able to be done but not sure.
3. Yes. I think it uses a different shaft across the front of the shoe. but otherwise it fits in.