parasitic battery drain
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parasitic battery drain
Hello to you all,
I have a parasitic battery drain. I've run it down to the alternator. I pull the two wire connector near the top of the alternator and the drain goes away. Not being an expert on the charging system, I'm looking to get some comfirmation that the alternator is my problem. Or, that is how it works and I need to keep looking. Thanks.
The rest of the story as they say. I went out to the truck one morning and the battery is dead. Didn't see anything that I had left on. Charged up the battery. But, it just died again.
I had about a 4 amp parasitic battery drain. Went through pulling all the fuses from the under dashboard fuse panel. None of those were causing it. Pulled the electric connector near the top of the alternator and the drain went away. The connector near the side was on.
So, I'm looking for a comfirmation on the alternator being bad before going to buy a part I don't need.
I have a 1990 Ford F-250 with the 5.8 efi engine.
Thanks for the help
I have a parasitic battery drain. I've run it down to the alternator. I pull the two wire connector near the top of the alternator and the drain goes away. Not being an expert on the charging system, I'm looking to get some comfirmation that the alternator is my problem. Or, that is how it works and I need to keep looking. Thanks.
The rest of the story as they say. I went out to the truck one morning and the battery is dead. Didn't see anything that I had left on. Charged up the battery. But, it just died again.
I had about a 4 amp parasitic battery drain. Went through pulling all the fuses from the under dashboard fuse panel. None of those were causing it. Pulled the electric connector near the top of the alternator and the drain went away. The connector near the side was on.
So, I'm looking for a comfirmation on the alternator being bad before going to buy a part I don't need.
I have a 1990 Ford F-250 with the 5.8 efi engine.
Thanks for the help
Posting Guru
Joined: May 2007
Posts: 1,208
Likes: 2
From: North Reading Mass
I think you have the 2G alternator Which have had a history of catching fire. It sounds like you have a short or ground in the alternator. Do a search for a 3G upgrade.
I did it on a 92 with a 94 JY 3G 95 Amp and help from this board. I took some of the wiring harness from the JY truck to splice into the 92
I did it on a 92 with a 94 JY 3G 95 Amp and help from this board. I took some of the wiring harness from the JY truck to splice into the 92
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BSCrossland
1973 - 1979 F-100 & Larger F-Series Trucks
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Oct 19, 2009 09:38 AM
