Hummer H2 2005 - Blower Motor Controller Part 2

[@tdematteo01]

I don’t really like the design either. I wonder if there is a different way to control the voltage to the fan without such a large heat sink and the heat it gives off?

[@hummerfixes]

Thank you for commenting. Indeed there ought to be better, more modern electronics these days..

[@angus.93]

HELLO SHEMATIC PLEASE?

[@user-xr6xo5cu8k]

Need circuit diagram please