amp meter...did that ...went to a electrical specialist who does this and when the truck was there it didnt do anything outside the normal draw.... you would have to sit with the truck for 12 or so hours to see something.... trust me i am at wits end...if it was mine i would push it in a canal and start over....FPS.....they make a device that will not alow the battery to completly drain and not be able to start your car or truck. I did a post on this awhile ago...will repost the manufacture as i would rather pay the money and forget about it... i hate stupid Fu$cking designed things on these POS that take time from my life as it was a dumbass geting paid alot of money that caused this......FM

 

boy, thats discouraging. I guess i will try the amp meter first....nobody has ever solved this problem?? Oh and Vandev, I found your old post. I'm guessing no progress? Did you pick up one of the Battery Brains?

 

I had the problem and it was from converting from SLS. The new owner said that there was a slight clicking noise at the air compressor that indicated a draw so that solved that. I had pulled all of the sensors as well. but apparently there is something that needs to be done to the compressor under the truck. Our LR dealer quoted him $50 to turn everything off so if it had been me I would have gone that route. When I asked them a few months ago they said $175 so I said F it. Weird how they say one price to someone and another to someone else...

 

im about too as the more i try to find out whats causing it the more i look at my M4 and want to light it up.....POS...is a light term for the truck....

 

Bingo... that was the problem...since i was chasing down a water leak on my daughters truck i figured i might try something to solve the electric drain. I had already pulled the relays and fuses for the SLS since i changed hers to springs. Well , today i pulled the box off the underside where the compressor is and unhooked to connections. I saw another one connected to the compressor so i unclipped the end of the pump it self and low and behold the thing was super hot..... also has some water corrosion going on as you can see in the pic. bingo my electric drain. I pulled the end of the pump and the connector. I know that has to be it... let hope... here are the pick if you have a electric drain and converted to springs.... will take about 5 minutes

 

Did this work for you???
I still have SLS, wondering if something is corroeded...