 Heater blower motor connectors, Just normal spade couplings? |
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| chmillman |
 Dec 16 2025, 04:20 PM
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#1
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Member  Group: Members Posts: 278 Joined: 15-June 24 From: Switzerland Member No.: 28,183 Region Association: Europe 
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I took out my heater blower for access to the area underneath it, and while it is out I thought to replace these rather old, yellowed and slightly corroded connnectors.
 The couplings came off the motor easily enough, but I was not able to easily remove the wires from the couplings - I had originally thought they were just another spade connector that should come off with a little coaxing, but they look somewhat different... Is there something special about these guys, were they not designed to be removed? |
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Replies(1 - 3)
| JeffBowlsby |
Dec 16 2025, 05:34 PM
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#2
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914 Wiring Harnesses & Beekeeper Group: Members Posts: 9,140 Joined: 7-January 03 From: San Ramon CA Member No.: 104 Region Association: None
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Those are two, of what I call 'long blade' male, 6mm, terminals, that mate with two female 6mm terminals. They mate in a double box housing and all terminals are removable by releasing the tang.
I dont recall if the terminals on the chassis harness (in your photo) are male or female, inspection should clarify. They are opposite gender from the mating terminals on the fan. |
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| trojanhorsepower |
Dec 16 2025, 05:48 PM
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#3
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Senior Member Group: Members Posts: 1,011 Joined: 21-September 03 From: Marion, NC Member No.: 1,179 Region Association: None |
Here are what mine look like with out the plastic bits.
Attached image(s) 
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| chmillman |
Dec 17 2025, 06:28 AM
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#4
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Member Group: Members Posts: 278 Joined: 15-June 24 From: Switzerland Member No.: 28,183 Region Association: Europe
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OK, thanks guys -
What's also interesting is that I have this extra piece between the fan and the cable harness.   I'm assuming it is the "suppressor" (RF noise) for "vehicles equipped with a radio" talked about in the install instructions...?  The instructions say to be careful to respect the polarity - I assume that the motor is a simple DC brush motor whose speed is varied by the input voltage and reversing the polarity would make the fan run backwards... Did I get that right? |
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