Mine is in the front battery compartment on the wall. I wired it in line with a switch so I can turn it on and off. Like others said, I get pressure reading fine when it is off, but on occasion have noticed they do not refresh or may drop. I have no issues when it is on.
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2019 20th Anniversary Edition 3120RL
2019 3500 Silverado HC, SWR, Duramax
B&W 20K for GM OEM Puck
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