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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wolfe10's avatar
wolfe10
Explorer
Sep 20, 2013
I would buy a spool of quality 14 gauge wire and just run it "fastest way", either outside the coach, or down the center of the coach. Attach it at both ends and see if it improves the accuracy of the gauge.

If so, take the time to run the new wire.

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