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Old 07-02-2019, 04:11 PM   #1 (permalink)
Zeus of the Sluice
 
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Electric question

Here's the deal. I was checking some stuff under the hood and I happened to grab the ground wire to my E-fans. The truck was running and the E-fans were on. Anyways the wire was blazing hot. I have aircraft wire that is sheathed in Teflon going to this. I believe if it were standard wire, the sheath would be melted.

This wire goes to a body bolt where I have a ring terminal and another ring terminal wire directly to the battery post. There is another dedicated wire to the body from the battery. (Also to the engine)

The wire is not hot close to the ring terminal. It seems to be hot right where it joins the wire to the fan controller.

Questions

Can I assume the wire size is not the problem because the whole thing is not hot?

Can I assume resistance where it connects to the controller wire?

Can I assume the ring terminals are making good ground?

I'm going to cut out the joint and re join the wire. Just wondering if I should stop there.
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Old 07-02-2019, 05:21 PM   #2 (permalink)
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If only a spot at a connector is hot, then there's a bad connection there. Redo the connection "where it joins the wire to the fan controller" in your words.
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Old 07-02-2019, 07:14 PM   #3 (permalink)
Zeus of the Sluice
 
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I changed the joint and started the truck. The wire didn't get hot in a few minutes. Hopefully, it's fixed.
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Old 07-03-2019, 04:20 AM   #4 (permalink)
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Out of curiosity, what type of connector were you using ?
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Old 07-03-2019, 06:42 AM   #5 (permalink)
Zeus of the Sluice
 
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Quote:
Originally Posted by stephen wilson View Post
Out of curiosity, what type of connector were you using ?
It was a crimp connector. I usually like solder, but I've had trouble with this before. This is a flexilite dual fan and it draws a lot of power.
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