Battery drain - looking for help and ideas

[smurfslayer]

The console trim removal to add the auto stop start dongle is easy-peasey.

 

[Igor Sakhnov]

So, swapped the battery for a new one (thanks god for AutoZone and warranty on Optima) and rest BMS. Steady state draw at 0.065A. Anyway advice on how to monitor the battery health?

 

[Igor Sakhnov]

Almost a month later, battery tester tells me that battery is 100% good, parasite draw is as 0.01A and truck was not charged with battery tender at all during the month.

THANK YOU @smurfslayer for the FORSCAN BSM suggestion!

 

[Oldfart]

I bet you will miss this giant pain in the ass problem! Glad you got it figured out. Dead batteries are never fun.

 

[smurfslayer]

 

[marine5804]

I am having the same issue now on my 2018. I have the add stealth bumper and ridgid lights front and back. They are tied into the stock lights. I am trying to find out what is drawing. After about 5 days she is dead and wont start, reads about 3.4-4 amps. I jump it and its fine 10 mins later.

 

[smurfslayer]

start pulling the inline fuses on your mods 1x1 until you achieve some stability.

 

[Igor Sakhnov]

@marine5804 - read the thread. Summary - I reverted to the original coding using forscan (originally disabled battery management to suppress auto-stop) and also re-set battery management. There was nothing wrong with the bumper / lights install Your situation could be different.