Chevy Trailblazer SS Forum banner

1 - 2 of 2 Posts

·
Registered
TrailblazerSS
Joined
·
189 Posts
PWM, at 2hz (yes, two hertz). Low side signal from ECM goes through the fan SSR and gets converted to a high side signal that runs the solenoid in the clutch.

 
1 - 2 of 2 Posts
Top