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zoro4's avatar
zoro4
Explorer
Sep 20, 2013

Aftermarket water temp gauge reads low due to wire length

I'm working on a rear engine RV and installed a new water temp gauge and I noticed it's reading low by atleast 10*F. Called the gauge supplier and they assure me it's due to the long wire length but t...
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zoro4's avatar
zoro4
Explorer
Sep 22, 2013
The new gauge is a digital GlowShift
http://www.glowshiftdirect.com/productimages/2010-blue-digital-gauges/thumbs/13_GS_BD_Water_Temp_Thumb.jpg

There is a mechanical gauge on the engine and the new probe is as close to the old one as I could get it.

It's funny because with the engine off and cold the new gauge is only 1*F off from the old one. The engine isn't close to overheating but I'm just curious as to whether or not this issue can be corrected or not.

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