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AMF GOLF CART FORWARD AND REVERSE MOTOR UPGRADE
The upgrade might include a higher horsepower motor and installing an electronic motor controller that can handle more amp throughput. To perform up to expectation and be reliable, the electrical system must be inspected regularly and perhaps upgraded to a more robust system. Today, in many privately owned golf carts this paradigm is flipped upside down. The motors (2 HP), electronic speed controllers (250 amp), forward reverse switches and 6-gauge cabling are used because they can, for the most part, handle this intended task very well. Keep in mind the golf cart is designed to carry 800 lbs around a golf course on 18” tall tires. Further, more amps mean more heat and with marginal or discharged batteries (lower available voltage) the amp rate increases exponentially. Add a hilly or mountainous terrain and the amp draw just keeps getting higher. Added passengers mean more pay load demanding still more amps through the electrical system. The larger diameter tires require more current (amps) to simply get the cart rolling. Add to this a lifted chassis, larger tires and a rear seat kit, ubiquitous to the camping, racing and equestrian scene, the OEM 6-gauge cabling is wholly inadequate to handle the additional current draw. More recently, electric golf carts are taking on a much different role–that of recreational transportation where it may never be used for golf-and the golf carts are being operated for longer periods of time with greater load demands. In recent years 4-gauge power cables are becoming a little more common.įor most golfing applications 6-gauge cabling is adequate to the task of carrying two golfers and their two golf bags around the course, stopping every 200 yards or so while they play their next shot. In the case of electric golf carts 6-gauge cables were traditionally used throughout the entire electrical system. Power cables are the thicker, usually 6-gauge, cables that connect the forward reverse switches to the starter generator, in the case of 2-cycle gas golf carts.
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Loose power cable connections are the primary culprit in the failure of traditional mechanical rotary style forward reverse switches. Whether it is an old-style 2-cycle gas or an electric powered golf cart, all battery current goes through the forward and reverse switches before it makes it to the motor. The problem with most forward reverse switches is no one ever takes the time to check the contacts and the cable connections to them.