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| | | | Joined: Nov 2006 Posts: 2,544 Shop Shark | | Shop Shark Joined: Nov 2006 Posts: 2,544 | When using a one wire alternator what is the preferred method to protect the circuit? I know that newer vehicles are using a high amp fuse that bolts into a holder. I have seen others use a large maxi fuse and holder with a 50 amp fuse. I know that in the 70's fusible links were used to protect circuits. Thanks
| | | | | Joined: Aug 2005 Posts: 6,377 Ex Hall Monitor | | Ex Hall Monitor Joined: Aug 2005 Posts: 6,377 | No special fuse on my '38. Just the normal fuses, 25 amp whole car fuse plus individual fuses on each device.
Save a life, adopt a senior shelter pet.
The three main causes of blindness: Cataracts, Politics, Religion.
Name your dog Naked so you can walk Naked in the park.
| | | | | Joined: Feb 2004 Posts: 29,787 Kettle Custodian (pot stirrer) | | Kettle Custodian (pot stirrer) Joined: Feb 2004 Posts: 29,787 | Fusing an alternator is almost a waste of effort. The stator is self-limiting as far as maximum current output goes, and about the only way to make an alternator short out is to connect a battery or a set of jumper cables backwards. If you choose to fuse the alternator, use a fuse that will carry its full output plus 10%. A 55 amp alternator would need approximately a 60 amp fuse, etc. 70 amp alternator- - - -80 amp fuse. Remember- - - -fuses protect the wire, not the end item in the circuit. A fuse will not prevent a component from shorting out or wearing out; it only keeps a wire from burning.
Jerry
"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!
| | | | | Joined: Jun 2004 Posts: 8,597 Riding in the Passing Lane | | Riding in the Passing Lane Joined: Jun 2004 Posts: 8,597 | A fuseable link wire works best on an alternator.
They say money can't buy happiness. It can buy old Chevy trucks though. Same thing. 1972 Chevy c10 Cheyenne SuperIn the Gallery Forum | | |
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