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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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jauguston's avatar
jauguston
Explorer
Sep 23, 2013
You may be able to correct it but the trouble is quite likely not the extension wire. The engineer at Isspro told me for my pyrometer adding 40' of small 22-26ga wire would make such a slight difference in the reading it would be hard to measure.

Jim

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