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Old 05-11-2021, 04:43 PM   #1
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Location: So. California
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Help in identifying this sensor

Inspecting my motor and found this wire sheared off of the sensor. Im not sure how long its been like this as I purchased the coach a couple months back. Ive looked at schematics online, and checked the manual to no avail. Any ideas? (SORRY) but I've tried to get the pictures turned so they can be viewed properly but can't seem to get it done. The photos are turned to the left. It is a Cummins ISL 400.
Thanks in advance.
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2006 37' Allure Sunset Bay #31442
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Old 05-11-2021, 05:27 PM   #2
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Go to the Cummins site
Create an account and then register your engines SN. Once you do that you'll have access to lots of info but it may take time to navigate the website.

I have a schematic of my engine showing all the sensors locations with part numbers.
Jim J
2002 Monaco Windsor 38 PKD Cummins ISC 350 8.3L
2005 Jeep Grand Cherokee w/5.7 Hemi
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Old 05-11-2021, 07:02 PM   #3
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Im thinking your engine brake may not be working as well as it could be. That sure looks like an engine brake connector.
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Old 05-11-2021, 08:22 PM   #4
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+1 on engine brake connection.

You should be able to pull off the 90 connection for repair. I think it's just pushed into a metal "stud"
1999 American Eagle
ASE med/heavy certified technician
ASE advanced diesel certified
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Old 05-11-2021, 11:54 PM   #5
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I will pull it off and rewire it, but I don't think I've noticed an issue with the braking since I purchased it. It has seemed to work good, can't wait to see how much better it might be.
Thanks everyone, I appreciate the help.

2006 37' Allure Sunset Bay #31442
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Old 06-13-2021, 02:36 PM   #6
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An update to close this post out.

I was able to re-solder a new plug in place and it was in fact the plug for the high engine brake. I had the coach out last week since re wiring the plug and what a difference it makes.

Thanks everyone again for you help. Learning to drive, service an understand all these systems has been made easier because of your posts, answers and experience.

Thanks again.

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