Forum Discussion

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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jauguston's avatar
jauguston
Explorer
Sep 20, 2013
Not the same type gauge but when I installed a Isspro pyrometer with 40' of extension wire I called Isspro to see what that long extension would do to the reading. They said it would make it read higher by .1%. The wire was exterior phone cable about 24 ga.

Jim

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