The electric cooling fan is controlled by the Engine Control Module (ECM) through the cooling fan relay based on inputs from the following components: - The engine coolant temperature (ECT) sensor. - The intake air temperature (IAT) sensor. - The A/C selector switch. - The A/C refrigerant pressure sensor.
Staff bags are big enough to hold everything a pro would need. In fact, they are usually designed after the custom golf bags pros use, so they are larger and heavier than regular golf stand bags. Staff bags are often made of leather and have large pockets. They have space for a full set of 14 golf clubs.
This article is one of our editor's top picks this month. Pursuant to Rule 4-4 of the Rules of Golf, professional golfers may carry only 14 clubs in their bags during a round. Once a round begins, a golfer carrying 14 clubs may not substitute a new club unless one of his clubs is damaged in the normal course of play.