Checked my chassis battery 1 week ago and it was at 12.17 vdc (with the neg. lead disconnected), today I checked and it was at 11.88. Is this an expected drop? Battery is 2.5 years old. I checked the ...
Engine battery disconnects in RV's typically do NOT do a 100% load disconnect. Low draw items like ECM memory, radio memory, dash clock, etc, are normally wired direct to the battery, bypassing the disconnect.