Vacuum Switch
This switch detects vacuum in the air intake chamber. Switch comes on when vacuum drops to less than a preset level, sending on signal to the cruise control ECU. The cruise control ECU in turn, turns vacuum pump on.
This switch detects vacuum in the air intake chamber. Switch comes on when vacuum drops to less than a preset level, sending on signal to the cruise control ECU. The cruise control ECU in turn, turns vacuum pump on.