Sounds like you need a fusible link:
Fusible Links
A fusible-link wire is a circuit-protection device that consists of a conductor surrounded by heat-resistant insulation. It is the only cost-effective, reliable protective device for preventing shorts to ground; it works on a continuous duty, high-amperage circuit such as the alternator charging wire, main feed to dash and electric motors (such as radiator fans). Unlike cartridge-type fuses, which can blow from momentary overload or melt down from generating heat over a period of time, the fusible link can last over 30 years and still work perfectly. Check out stock 1966 Chevelles.
The fusible link only burns as a last resort to prevent a major fire. Other surrounding wires or devices won’t be damaged because the melt-down occurs inside the link’s nonflamable insulation. Fusible links should be between 5 and 7 inches in length and four wire-gauge sizes smaller than the wire it protects (for example, protect a 10-gauge wire with a 14-gauge fusible link).
Klaus
"God made some men big and some men small, but Sam Colt made them all equal."
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09-11-2003, 03:33 PM
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