Answer
Apr 13, 2017 - 07:29 AM
Below is a link to the manual for the TST, on page 9 is how to replace the batteries, check this out and if you are still having trouble, you may be able to use a wrench to hold the tip of the sensor and twist. Hope this helps.
https://www.rvupgradestore.com/v/vspf...
https://www.rvupgradestore.com/v/vspf...
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