
Electrical systems and circuits
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value were used that is much too high, it would probably still protect against a
severe short circuit. However, if the wiper blades froze to the screen, a large
value fuse would not necessarily protect the motor from overload.
It is now common practice to use fusible links in the main output feeds from the
battery as protection against major short circuits in the event of an accident or
error in wiring connections. These links are simply heavy duty fuses and are
rated in values such as 50, 100 or 150 A.
Occasionally, circuit breakers are used in place of fuses, this being more
common on heavy vehicles. A circuit ...