Question about 1991 Subaru Legacy

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Fusible link replacement

When I click the ignition it did not start because the fusible link already opened/melt . When I connect it temporary wire, it started. Now I want to replace the fusible link but I don,t know the amperage.

Posted by Luis Cagampang on

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Greg Trobaugh

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Any Subaru dealer will be happy to sell you the correct replacement.

The Tinker

Posted on Nov 30, 2013

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Anonymous

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SOURCE: Dead Car, possible solutions?

Not sure if the fusible link is the problem. It sounds more like you have something wrong in the electrical system. If you want to try replacing the fusible link, you can order it on line at www.napaonline.com. But the problem could be as simple as a bad battery. When you turn the key, do the lights come on for your radio or guages?

Posted on Sep 19, 2008

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2 Answers

How do i check to see if my fusible link is any good in my 1988 oldsmobile royale 88


If you are mechanically inclined, check for power at the starter when turning key to start. Where is your fusible link attached ? Try by passing starter solenoid, if engine turns over, you may have a bad starter.

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What does fusible shortage affect


A fusible link is a short piece of insulated low-voltage cable within an automotive wiring harness that is designed to protect the harness in applications where a fuse is unsuitable. In an extreme current overload situation, the conductor within the link is melted while the ensuing flame and spark is contained within the link's insulation.

Fusible links are not rated in amps like fuses because each installation is unique and designed to meet specific circuit protection requirements.

The automotive service industry recommends using the same gauge and length as the blown fusible link after the cause of failure is corrected.

Typically, a given harness segment is protected by a fusible link that is four gauge numbers smaller. A 14-gauge wire would be protected by an 18-gauge fusible link. A 6-gauge wire would be protected by a 10-gauge link, and so on. Odd number wire gauge sizes like 19, 15, 13 and 11 are counted when sizing a link. The length of a fusible link should not exceed 9".

In general, a fusible link should never be used to replace an automotive fuse unless authorized by a vehicle factory service bulletin. Likewise, never replace a fusible link with an automotive fuse.

Fusible links are used in most starting circuit applications. For more technical info on fusible links, visit www.sae.org

Dec 01, 2013 | Cars & Trucks

1 Answer

Battery got connected backwards truck will not start


Yes this is a common problem, it's been asked here before. You end up blowing a lot of components that way. Now to hunt down what they are. Fordexpert said this last time> Could be fusible Master link which is sometimes around battery and runs to fuse box. Looks like fat wire and melts connection from battery to body. Another possibility is the wires to the Ignition switch. Most are inactive until the Ignition is turned on, but with reversed polarity things can happen. Fusible Relays. You are lucky most of your truck is not computerized. But there may be an Ignition relay and a Light relay. Some had a grey module on the distributor. Test for the fusible link first and see if it has melted. If you have power to the fuse box, check that there is power on the power side of the panel.> If your vehicle is computerized it could have blown the computer too.

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Bypass fusible link from alternator to battery buick lesabre


You can....but the fusible link is there to prevent a catastrophic failure in case of high current draw or dead short. If your fusible link melted, you have other issues to deal with first. If you already know what it was and fixed it, fusible links can be purchased at auto parts stores and installed in the same amount of time you would take to perform the bypass. The couple dollars saved bypassing it are not really worth the fire risk if something should occur.

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1 Answer

I have an 84 impala and my alternator belt snapped off. Once i replaced the alternator belt, the car started and drove fine except my horn, interior lights, head lights, and tail lights don't work. I...


Circuit Breakers

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One device used to protect electrical components from burning out due to excessive current is a circuit breaker. Circuit breakers open and close the flow path for the electricity rapidly in order to protect the circuit if current is excessive. A circuit breaker is used on components which are more likely to draw excessive current such as the breaker found in the light switch that protects the headlight circuit. A separate 30 amp breaker mounted on the firewall or fuse block protects the power window and seat circuits, as applicable.

Fusible Links

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A fusible link is a protective device used in an electrical circuit and acts very much like a standard fuse. The major difference lies in that fusible links are larger and capable of conducting a higher amperage than most fuses. When the current increases beyond the rated amperage for a given link, the fusible metal of the wire link will melt, thus breaking the electrical circuit and preventing further damage to any other components or wiring. Whenever a fusible link is melted because of a short circuit, correct the cause before installing a new one. Most models have four fusible links.
REPLACING FUSIBLE LINKS

  1. Disconnect the negative battery cable, followed by the positive cable. If the link is connected to the junction block or starter solenoid, disconnect it there as well.
  2. Cut the wiring harness right behind the link connector(s) and remove.
  3. Strip the insulation off the harness wire back 1 / 2 in (12.7mm).
  4. Position the clip around the new link and wiring harness or new connector and crimp it securely. Then, solder the connection, using rosin core solder and sufficient heat to guarantee a good connection. Repeat for the remaining connection.
  5. Tape all exposed wiring with electrical tape or use a heat shrink tube, if available. Where necessary, connect the link to the junction block or started solenoid. Reconnect the positive, followed by the negative battery cables.

Oct 21, 2013 | 1984 Chevrolet Impala

1 Answer

What amperage is the fusible link at the fuel pump harness on a 2009 Hyundia Sonata


The dealer or a parts store (if they can order it) would know the necessary rating of the fusible link-the color code may also tell the correct amperage and gauge. If possible, might help if you take it with you when ordering a new one. Fusible links are cut out and replaced.

Jan 25, 2013 | 2009 Hyundai Sonata 2.4

1 Answer

No POWER TO MY VEHICAL WHY!!!????


Your positive side on your battery has a fusible link tied in,if it's burnt or melted then you are not getting any power,follow all wires leaving the positive side of battery,if the fusible link is bad,replace with same gauge wire,Hopefully your alternator,battery and alternator is still good.Autozone will test them for free.If I had your year,make,model and engine size.,I may be able to send you the wiring diagram.

Aug 08, 2012 | Cars & Trucks

1 Answer

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?


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

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2 Answers

Car wont do anything when key is turned on.


magnetic pellet ,doesn't have one . Besides it's not a magnetic pellet . It would be a resistor pellet for the anti- theft system , which your vehicle does have . And it wouldn't be the ignition lock cylinder either if you can turn the key to the start position . Possibly the electrical part of the ignition switch . Viewing a wiring diagram for power flow and checking with a DVOM - digital volt ohm meter would be the proper way to diagnose .Free wiring diagrams here http://www.bbbind.com/free_tsb.html Enter vehicle info. year , make , model and engine size . Under system click electrical distribution ,then under subsystem click on power distribution . Click the search button then the blue links . The light's work because they have seperate power supply ,looking at first diagram you will see this . Thrid diagram down is ignition switch power feed . Top right of the page you will see the letter A , that gets B+ voltage from fusible link B . Finding the ignition switch under the dash on the bottom of the steering column an testing for B+ voltage on the red wire . If B+ voltage is there fusible link is good . Fusible link B is attached at the starter solenoid .B+ stud . If there is B+ power to the ignition switch check for power from the switch .Can you figure that out ? You should also check out some videos on youtube for basic automotive electrical testing .
Electric Testing Techniques You Need to Know

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1 Answer

Celica won't start normally


check for a blown fusible link between the battery and ignition switch
  • a small length of wire inserted in the thinner cable from,
or
  • a small black bodied square box inside a case on the side of,
the battery connector, I forget which goes on the celica

check connections to ignition switch
Check/replace ignition switch

not a solution just something to check, fusible links -- fuse

Sep 24, 2008 | 1995 Toyota Celica

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