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Starter Relay-to-Alternator Fusible Link |
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Lyle
AMC Addicted Joined: Jul/17/2014 Location: None Status: Offline Points: 772 |
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Here is a site to give you the information you seek:
http://www.madelectrical.com/catalog/fusible-link.shtml
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304-dude
AMC Addicted Joined: Sep/29/2008 Location: Central Illinoi Status: Offline Points: 9081 |
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It is best to place the fuse as close to the load as possible. My setup has room for the fuses to be placed close to the items being protected, near or at the voltage regulator and solenoid. |
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71 Javelin SST body
390 69 crank, 70 block & heads NASCAR SB2 rods & pistons 78 Jeep TH400 w/ 2.76 Low 50/50 Ford-AMC Suspension 79 F150 rear & 8.8 axles Ford Racing 3.25 gears & 9" /w Detroit locker |
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Lyle
AMC Addicted Joined: Jul/17/2014 Location: None Status: Offline Points: 772 |
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Please prove the following from the Electrical Engineering Reference and Application Handbook as being wrong: "The fuse should always be the first thing a power supply hits when it gets to a circuit. The reason is pretty simple. In the event of a fault that blows the fuse, the power is isolated to where it entered the circuit, thus the whole circuit is protected." |
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billd
Moderator Group Forum Administrator Joined: Jun/27/2007 Location: Iowa Status: Offline Points: 30894 |
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Lyle is right - you do NOt want the fuse as close to the load as possible. You want it closer to the source of power to protect the entire thing.
Place fuses as close as possible to the source of power for the specific load. It's the circuit you are protecting, not the load itself. Thus, place the protection as close to the "battery" or source of power as possible. Obviously for interior items, radio, dome lights, etc. it's got to be in the cabin - but it's still closer to the ign or bat source than to the LOAD itself. The battery wire coming in is protected by fusible link, then the individual circuits from there are protected at the fuse panel, not even close to the load. The alternator is a source of power, the battery is a source of power so the initial protection is the fusible link so if the wire to the fuse panel is bitten or pinched, it's protected clean back to the starter solenoid/relay (or source of power, practically speaking) I love the way Lyle's quote explains it - simple, easy to understand, and precise all at the same time. |
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mrblatzman
AMC Addicted Joined: Oct/01/2008 Location: Alabama CSA Status: Offline Points: 2154 |
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Is the link in question the red one or the pink one? Bob in Alabama
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Thankyou....Bob
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