Have you checked the glove compartment light, it would draws enough amps to flatten your battery, and you can't see it when it's shut Regards

Hi, The best way to tell (just in case your Disco had a replacement transfer box in the past) is to get under your car, get your hand on top off the transfer box if you have a linkage stick, sticking out of the top that is not joined to anything, then you have the diff lock inside. If it has...

Kit looks pretty good...fairly similar to what I have on mine, bought separatly. Personally though, I would go for some plus 5" braided hoses incase you bitten by the 'lifting bug' made to order by a company called Braided Steel Aerotek www.bsr-aerotek.com Regards