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Old 03-18-2011, 07:25 PM   #1
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Newmar Owners Club
Join Date: Jun 2010
Location: Salem, Oregon
Posts: 10
Trans temp Gauge Sender

I first called Monaco tech support today and told them about my trans temp gauge jumping around. They recommended replacing the sending unit so I stopped by Monaco in Coburg today and picked up a new 323 086D Sender 400F 1/8"-27NPT Short fitting at ($37.50) to replace the existing one that seems to be failing and making the Trans Temperature gauge needle jump around. Question is before I start crawling around under the coach can anyone tell me where this sender is located?

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Old 03-18-2011, 08:45 PM   #2
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Look at your transmission owners manual. It shows where the sender unit is located.

If the gauge is jumping around, I don't think it is the sender unit. Bad senders usually fail hard giving a hot or cold readind. I'd vote for a bad ground somewhere.
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