64 barracuda fusible link

64longroof said

So the alternator cannot overcharge, and send too much current to the main splice, possiblly burning ignition switch or anything else connected to the main splice? I bring this up because one of the diagrams shown in MAD does show a second fuse link in the alternator wire:
Catalog (madelectrical.com)
However, This diagram also has the mod where the alternator output will be routed directly to the BAT. POS. stud at the starter relay, rather than going thru the bulkhead to ammeter (which I bypassed back to the batt red wire). So maybe this mod necessitates a second fuselinK?

Click to expand...

MAD has to do it with their hack to protect the alternator output circuit from the battery. Short to ground at the alternator output stud or inside the alternator does happen occassionly.
One of the downsides to their idea is that all of the alternator output current must flow through that link. Then the portion needed to run the car and accessories must flow through another link. Its not an awful design, but its not brilliant. Chrysler did somehting similar in '76 A-bodies as did AMC Jeep in '86-91 Sjs.

Another downside to the mad design is that it makes a longer route to get to all of the equipment, except for the battery. Unless the car has been modified, battery charging should not be the alternator's main job. It supposed to be a sidejob that's only needed after starting, or occassionally after stop lights at night when the wipers and heater are running.