83 280z smoked a fusible link dont know why or how to fix ?
The car was running great I shut it off and it made a goofy noise like a horn blowing when I restarted it I drove it about 10 miles shut it off and when I started it again I smoked a fusible link by the starter..I replaced the fuse but now I have nothing on the key and if I jump the starter it turns over fine but does not fire up?? thanks for any ideas
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Re: 83 280z smoked a fusible link dont know why or how to...
The main fuseable link comes off at the battery and is abig hefty thing if you are blowing that there is a major problem somewhere ,if you go to the fuse box you probably find the engine fuse is blown and that is why it wont start ,BUT be VERY careful bypassing fuses ,they are there to protect from major damage
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I think this may have a simple solution. First I will need to know if there is power at the ECM/BAT fuse. you can use a test light or a volt meter. if there is no power than I would bet there is a blow fusible link either at the starter or the back of the alternator.
IF THE BATTERY IS FULLY CHARGED, 12.60 VOLTS & THE CABLES ARE CLEAN & TIGHT, THERE ARE FUSIBLE LINKS AT THE STARTER THAT SUPPLY POWER TO EVERYTHING IN THE VEHICLE. THEY ARE FASTENED ON THE SAME LARGE TERMINAL AS THE MAIN BATTERY CABLE ON THE STARTER. THE FUSIBLE LINKS ARE SPECIAL WIRES DESIGNED TO BURN INTO IF A SHORT CIRCUIT HAPPENS. THE BIG BLACK THING THERE IS NOT A FUSE, IT IS JUST A CONNECTOR. TO FASTEN THE MAIN WIRE TO THE FUSIBLE LINK WIRE. IF YOU PULL ON THE FUSIBLE LINK IT WILL STRETCH LIKE STIFF RUBBER. IF IT STRETCHES IT WILL NEED TO BE REPAIRED OR REPLACED. IF IT DOESN'T STRETCH IT IS PROBABLY OK & IT MAY BE A BAD CABLE.
This means theres a dead short somewhere, so the systems it runs have a short you will need to remove power from each one until the short stops. take a look around for wires touching ground, the raido woundnt be the problem it has its on fuse and so does the horn, remove the starter wire, the small wire to starter and leave the big battery cable going to starter and then try to start it, i know it wont start but this will tell you if its the starter thats shorting out, if that doiesnt do it then continue remove connections until you locate it, also repair the wire and then turn the key on and see if it blows the fuselink if it doesnt then you know its the starter, but then crank and see if it blows to make sure, if it only blows when you crank it then its the starter, if it blows as soon as the key is turn on then its something else. hope this is helpful, good luck.
Where does the fuel come from that leaks out when running? If you have dual fuel tanks and one tank is overflowing you will need to check the fuel tank switch in the dash. Ford had a problem with these that caused the fuel pump from one tank to pump fuel to the other tank and cause it to overflow. If this is the case the tank switch is probably defective. They can get very hot and melt the wires into the back of the switch. Check the switch first.
Check under the hood for a box containing your fusible links (they look like large blade fuses in most modern vehicles). The fuel pump relay only operates the fuel pump. It doesn't provide power to the rest of the fuel system. Odds are the fuse for the injection system is blown. The inside of the cover of most fusible link cases usually has a diagram which tells what each fuse is. The easiest thing to do is locate that fuse and remove it (with the vehicle off of course) and visually inspect to see if it's blown. If it is, simply replace it and see if that corrects your problem. While you're under the hood you might want to trace the wires back to their origin and check to be sure the harness is not rubbing or chafing against anything that might have caused wires to break and short. It's rare for those fusible links to blow without a reason.
Your problem is you blew a fusible link. Located in a black box in front of the battery are the fusible links. The one lablled battery is blown. The fusible link is a loop of insulated wire that will melt in cases where too much current is passing throught the wire. You will notice a burnt smell as well. A simple continuity test of the fusible link will show that it is open. Go to a junk yard or order through nissan and you will be good to go. If you make your own make sure of the type of wire and the gauge.
Check the fusible links at the starter. One of them may be burned. You mentioned that it shuts down when you turn a corner. Check the wiring going to the ignition switch under the steering column, you may have a loose wire there as well.