2001 Ford Excursion not charging v10

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May 13, 2018 | 12:25 PM

#16

Franklin2

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Ok, something is not right here. I am looking at the diagram for the 2001 Ford Excursion, and there is no red wire going to the alternator plug. It shows only a yellow/white, the white/black jumper wire, and the lightgreen/red wire. Peel back that wiring loom and see if the wire colors look different up in the harness.

May 13, 2018 | 02:34 PM

#17

Leed1315

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Quote:

Originally Posted by Franklin2

I went back a little and no change it is green/red and the harness looks like it is stock and not been into. The new plug I bought is yellow/white. I did read where there was a harness recall for the 01 at some point. I don't know if there was a change in it or what. I have power on the green when the key is on. I have 12v at the red/green which is normally yellow at all times. The middle jumper wire is where I have nothing or the .007v

May 14, 2018 | 11:27 AM

#18

Leed1315

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Quote:

Originally Posted by Franklin2

Is that a typo above? You should have 12v at all times, engine off, key off, or engine running on the yellow sensing wire. You should not have 12v on the green/red wire with the key off. Key on engine off, yes, key on engine running, yes.

I'm sorry that was a typo. I didn't see what I put. The green/red wire only has 12v when the key is on. It has nothing when the key is off. The red/green wire which you say should normally be white/yellow has 12v at all times. The white/yellow jumper wire I doesn't have voltage at any time I've tried it. I don't know what OI wa sdoing when I typed those up.

My mechanic finally got back with me. He's been busy and I'm tired of spinning my wheels on this thing. At this point I feel like my alternator is bad. Hopefully I can get it to him today and have it back by the end of the week. I do appreciate all the help and will try to report back with the findings.

May 16, 2018 | 07:57 PM

#19

Leed1315

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Just wanted to give the thread the update with the fix.The fuse link was bad for the red/green wire which Franklin said should have been yellow/white. My mechanic said it was setting off his test light but the voltage on it was only around 4v. It must have dropped because I know I was getting the same voltage on that wire as I was at the battery.