Re: [Amc-list] Fusible Link wire gage size

[Tom Jennings <tomj@xxxxxxx>]

Wrambler242@xxxxxxxxxxx wrote:
> I've wondered how to relate/translate fuse links to fuses.

They're supposed to be a last resort, 'pop fusible link instead of start 
a fire' eg. in a fender-bender that pinches a harness. They're usually 
in things that don't have a variable-load or user-access function, like 
ignition, alternator, etc. For things with motors that might stall 
(wiper, fan) or user access (changed headlamp, tail lamps, etc) there's 
a fuse.

Headlamps are generally special too, they get a self-resetting circuit 
breaker (like a flasher) since they're so mission-critical at night; a 
partial short gives you blinking dim headlights and MAYBE a melted 
harness, which beats instant darkness and a crash.

If they go bad from anything other than extreme age (eg. corroded 
crimps, etc) it indicates a severe problem or 'user error' eg. putting a 
60 amp alternator where a 20 amp generator used to be, etc.
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