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Old 05-18-2020, 01:57 PM
American Hot Rod American Hot Rod is offline
Join Date: May 2020
Location: Granite Bay, CA
Posts: 1
Default JPI EDM 930 auto dimming

Hello everyone,

I have an EDM 930 engine monitor that upon initialization defaults to 25%. Itís nearly pitch black and impossible to see outside. Itís supposed to default to 100%. I have sent the unit to JPI for a software upgrade( only option) and to fix the auto dimming. It worked for a bit. I looked at the installation manual and wiring pin diagram. I was hoping that I could reset the default without pulling the unit or to install a external dimmer thru the pins themselves. I did see that others had the opposite problem of going full bright at night but solved that with some tape over the sensor, lol. Iím hoping I donít have to send the unit back to them, plus they are closed until further notice due to Covid-19.

Thank you for any input!
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