Hi! When the truck is off, the voltage drops in a few hours, usually at night, because of connected 12v cooler and 12v fridge to the rear outlets. When the voltage drops to 11v (the fridge has auto power off for that) it beeps and turns off all the rear power outlets in the sleeper. I noticed that after replacing all 4 batteries, now all brand new. Before, when I had 1 dead and 3 bad batteries, it didn't beep and auto turn off the outlets, just had a low voltage in the morning.
How should be correct?
When the engine is running, everything is working good. It means all fuses are good?
12v power outlets on 2012 Cascadia
Discussion in 'Trucking Electronics, Gadgets and Software Forum' started by marat80, Dec 2, 2018.
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Maybe check battery terminals , dropping to 11v is really low. I have a 2014 I thought I had battery issues, removed cables and batteries and cleaned it up real good reconnect and was seeing a good jump in voltage . Loves can test your batteries or TA , also check the voltage coming from the alternator. Cycling the batteries over and over will kill them a lot sooner.
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My invertor came back to life with new batteries.
Took a little bit of bickering with the boss for a couple of weeks to make it happen though. The rotten egg smell finally convinced him.
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