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Super Moderator
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Discussion Starter #1
Hi all,
My blower motor started to cut in and out, so I dove in trying to figure out what was going on.
For starters, the blower motor is less than a year old.

I thought maybe it was a loose connection, so I started rattling the connections until it turned back on.
It turned back on when I fiddled with the connector that ties the blower motor into the main harness.
I pulled it apart, and it was burned and melted:

164383


I cut the plugs out and replaced them with two watertight spade connectors:

164384



However, I have no idea why this happened. The blower motor works fine and pushes plenty of air.
What would cause it to overheat like that? Ideas?
 

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Premium Member
84 Bronco, 351w, c6, custom doubler, np208, 5.13’s, TTB44, 9”, locked f/r
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943 Posts
If it’s just melted there, no signs of heat damage anywhere else, I would assume just a crappy connection in that connector causing arcing
 
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Super Moderator
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Discussion Starter #3
That was my assumption. Bad connector, corrosion, etc. etc.
The wires outside of the connector were fine.

Just wanting to be sure before I turn my eyes away from it for a while.
 

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1984, 300 L6, smogless, manual 3speed with overdrive.
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1,601 Posts
That was my assumption. Bad connector, corrosion, etc. etc.
The wires outside of the connector were fine.

Just wanting to be sure before I turn my eyes away from it for a while.
It’s a bronco.... NEVER turn your eyes away from it.... it’ll sneak up a steel the money right out of your wallet!
 

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Discussion Starter #5
It’s a bronco.... NEVER turn your eyes away from it.... it’ll sneak up a steel the money right out of your wallet!
😆

I only meant the plug!

The rest... never.
 
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