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Temp sensor for inner primary cover

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Old Mar 28, 2025 | 03:01 PM
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Default Temp sensor for inner primary cover
In the bottom of my inner primary I noticed a sensor, it looks like a temperature sensor, but no one I talk to has ever seen this before. Is there any one here who can tell me what this is and if needed, and also how to order a new one since 1 of the wires was broken. The bike is a 1999 Ultraglide, EFI FLHTCU-I 88 cu in tc. And sorry for my poor gramma, english is not my 1st language. BR Jon Vikan
Hole where the sensor is located
Hole where the sensor is located
Sensor in primary cover
Sensor in primary cover
Sensor
Sensor
 
Attached Thumbnails Temp sensor for inner primary cover-20250328_163010.jpg  
Last edited by Baader; Mar 28, 2025 at 04:00 PM. Reason: adding pictures
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Old Mar 28, 2025 | 03:06 PM
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A picture would be useful.
 
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Old Mar 28, 2025 | 03:44 PM
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Pretty sure there is no temp sensor in that area, never heard of one.
And YES pics tell a thousand stories........
 
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Old Mar 28, 2025 | 04:01 PM
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Picture uploaded
 
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Old Mar 28, 2025 | 04:19 PM
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No, there is no OEM temp or pressure sensor in any HD primary, but maybe the previous owner just had to know...




 
Last edited by Dan89FLSTC; Mar 28, 2025 at 04:23 PM.
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Old Mar 28, 2025 | 04:23 PM
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Originally Posted by Baader
Picture uploaded
Picture not visible. Try again.
 
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Old Mar 28, 2025 | 04:54 PM
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Not stock. One of the previous owners installed it.
 
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Old Mar 28, 2025 | 05:20 PM
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Originally Posted by CoolBreeze3646
Picture not visible. Try again.
I can see all 4 pictures... On the original post.
 
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Old Mar 28, 2025 | 05:57 PM
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Originally Posted by Buelligan666
I can see all 4 pictures... On the original post.
Okay I can see them now.
 
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Old Mar 28, 2025 | 06:04 PM
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Originally Posted by chopper_man
Not stock. One of the previous owners installed it.
Concur, if it was me I would just put a plug in there, making sure it was sealed up good and call it a day. Don't really need to know the temp of the primary fluid.
 
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