Fuseable link

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Installation and function of a Fusible Link is similar to the “cartridge type,” in-line fuse. But the Fusible Link does not deteriorate or have meltdown problems with constant use in heavy-duty systems, as the cartridge type fuse is famous for. (Chevy began installing Fusible Link wires in the main-power circuits with ’66 models, and of those old cars that are still in use, most of the original Fusible Link wires are still in place. If a Fusible Link burned out then it saved the car!)

Examples of circuits where the Fusible Link wire will be the most reliable short-circuit protection are; *the main power wire to the dash area, *the alternator-to-battery “charging wire,” *power-up wire to electric radiator fans, and other systems where the amount of current flow is a large amount for long periods of time.

NOTES about Fusible Links Only a serious short will cause a Fusible Link to burn–it disconnects a circuit from power just before the rest of the wiring in a circuit would be damaged. Momentary overloads will not burn out a Fusible Link–such as arcing a wrench between ground and an exposed terminal.