Question about 1999 Ford Taurus

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Can you run the alternator wire straight to the battery and bypass the fuse box

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Absolutely NOT

I don't know what your asking here or Why!!

I also don't believe you really meant to bypass anything. You just are trying to correct a problem, What is it??

Posted on May 04, 2010


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Posted on Jan 02, 2017


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Hi i am having trouble 93 Ford Taurus. The battery died on me , so i checked alternator and it was fried.I changed it and put battery back on. It died again. Three alternators later we were still fighting...

There are 3 fuse links in the wiring to your alternator. I'm guessing you already checked to make sure you have constant power to the main cable at the alternator from the battery (I believe it is a black cable with an orange stripe. Using an ohm meter you may want to check to make sure you have continuity from the positive battery terminal to that main wire (Black/orange wire). Now the 3rd fuse link is the one I find that goes and will have you pulling out your hair over unless you know about it. There are a couple different charging systems that came in the Taurus for that year but it won't matter due to the fact that the wire color is the same in each system. The connector/plug at the alternator (3 or 4 wires on it depending on the system) you will want to locate the yellow wire with the white stripe in it. Using your ohm meter you should have continuity from the positive battery terminal to that wire at the connector at the alternator. You should pretty much be at zero on the ohm meter. If not or nothing if that fuse link is blown. That fuse ink is located I believe right on (or close to) the fuse panel inside the engine compartment. There are a few use links there but that one will be the brown one (16 guage I think). I have found this to be common in your vehicle and it sounds like you covered everthhing else. That is a main power wire for the voltage regulator inside the alternator. Just a tip...If this happens to be the problem, I would suggest replacing is with another fuse link and don't bypass/straight wire it. My personal opinion as far as a short in the headlights is that if it were a short there (headlights) you would blow a fuuse for the headlight circuit. Your vehicle's electrical system runs completly off the alternator. The only thing the battery does is start the vehicle. If the alternator isn't working your vehicles electric system uses what's left in the battery. The headlamps kill battery power much faster so it may seem that way. I could be way off but hope this solved the problem.

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I have 1981 GMC sierra pick-up. I put in a new battery. But I have no power at all. No starter, horn, lights everything. I checked fuses under drivers dash.

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