Question about 1984 Chevrolet K1500

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1984 Chevy 350 has two fusible links,one foe ignition the other for headlights which is blown. Can I replace with a blade fuse and what amperage is equal to the wire gauge that is on the original?

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Fusible links work much differently than blade fuses, they can tolerate a large load without melting, this is why they are used for high amp draw systems. You can't substitute the blade fuses, they will blow repeatedly if you do. Fusible links are very cheap and all auto parts stores have them, they go by color to indicate what the amp rating is, wire gauge is not used. So the bottom line hear is you can use blade fuses but they will likely blow often, you will need fusible links (Green) or 30 or 20 amp fuses. Here is the color breakdown of all fusible links.
BLACK 45A
RED 35A
GREEN 30A
BROWN 20A

Posted on May 24, 2011

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Where do I locate the fuse of the headlights in a 1984 jeep


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The headlight switch gets power from a fusible link (Fuse link A) that looks like it may be located on the starter solenoid terminal- two fuse links- A & B, there somewhere. But this same fusible link A also supplies power to the fuse block with the park/tail lamps, hazards, brake lights, and a couple others. So if you have stop lights and park lights, then the fusible link is good, so you should have power to the headlight switch. Neither the fuse block, nor the instrumentation diagram, shows any fuses for the headlights. A lot of older vehicles did not have headlamp fuses, because the light switch had a built-in circuit breaker.

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  4. Inspect the box terminals and clean if corroded. If any terminals are damaged, replace the terminals.
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Alternatively just spray connections with above mentioned cleaner, or replace links with alternative from another vehicle that uses heavy duty fuses with same amperage rating.
Visit your local car breaker for a variety vehicles to source a suitable fuse assembly or enquire at your local (non agent) spares outlet.
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