Once a speed is set the module supplies ground to the pump and the vent . Closing the normally open vent . And running the pump with the battery voltage it put on the pump when it's turned on .
Once a speed is set the module supplies ground to the pump and the vent . Closing the normally open vent . And running the pump with the battery voltage it put on the pump when it's turned on .
All that tests is the pump, not the control circuitry.
The controls engineer is on it as I understand AFIRover has been directing this project.
I don't even need to look at the inside of that module to tell you those drivers exploded .
I'm pleased to announce I now have a FULLY FUNCTIONAL cruise control and I am loving it! Thanks to AfiRover!!! He is incredibly gracious and knowledgable.