 Heater blower motor connectors, Just normal spade couplings? |
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| chmillman |
 Dec 16 2025, 04:20 PM
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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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| chmillman |
Dec 17 2025, 06:28 AM
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#2
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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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Posts in this topic
chmillman Heater blower motor connectors Dec 16 2025, 04:20 PM
JeffBowlsby Those are two, of what I call 'long blade... Dec 16 2025, 05:34 PM trojanhorsepower Here are what mine look like with out the plastic ... Dec 16 2025, 05:48 PM
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