Question about 1988 Ford F 150

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Accidently crossed battery wires, after charging. started truck....saw smoke coming from wire to alternator. ???"is the wire just burnt, or do I need to replace alternator??? truck starts up still.

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The wire connected to the alternator is a fusible link (wire that is designed to burn or melt just like a fuse). Cut out damaged section & splice in a new section. Most likely alternator is still ok.

Posted on Aug 25, 2010

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I crossed my wires up and my alternator keep burning up can some one help me


Did you cross the battery cables ? if you did you will have burnt out the alternator and computer plus shorted out some wiring . Take to the dealer to get it sorted.

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Nissan Altima 95 won't start after dying when I was driving, at first it would turn over but not start now it won't even turn over, puff of smoke came off the ground wire when I tried to start it, got hot...


the alternator , battery , or starter has burnt out or has a short to earth , wire may be rubbing on chassis some where, trace the wire that you saw smoke from and make sure its not worn through etc , at the least i would say a new alternator and battery is required , without seeing the vehicle its hard to be specific, hope this helps , also will need to check the fuse box's for any blown fuses , make sure you've located that smoking wire

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Battery Light still on


The new alternator is probably ok.
I would say you burned a fuseable link in the wiring harness.
The alternator has a fuse wire between it and the battery to protect it from overload.
Have someone check the wires coming out of the back of the alternator. The big wire should have battery voltage, the small wires energize the alternator when you start the engine.

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1 Answer

Wires leading into voltage regulator started burning and smoking when trying a different battery. I think the voltage regulator started smoking too. Now I don't get Any spark or buzz even when I turn the...


You may have gotten the +pos and -neg cables crossed, causing the fusable link wire to burn out.
Check for the burned link wire between the alternator and the battery side of the starter solenoid on
top of the right fender well, and splice in a new fusable link wire, any parts store should have this.
The fusable link is there to protect the charging system from damage when things like this happen.
But once it's running be sure to check the charging system. Hope this helps.

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1992ford ranger -alternator dont charge battery


If there is power to the big wire that is bolted on to the back of the alternator and no power out of the small wires that plug in to the alternator then it is possible you need to replace your alternator. start the vehicle and check to see if there is 14 volts at the battery while the vehicle is running if there is then the alternator is good if not replace your alternator and charge your battery with a charger to make sure you have a proper charge on the battery.

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3 Answers

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Nope, but they are usually near the battery, solenoid or starter (where main service wires are)

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reconnect the wires and electrical tape them and try it to soo if that dosen help

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1 Answer

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Have you checked to see if your alternator is charging now and is your solenoid burnt or blown will it crank over? these would be ideal locations to start test battery to to see what it is holding for charge level. Sometime local automotive part stores offer a test program in store like canadian tire test it before you replace it bring in the part and test it!! are you in Canada?

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