I ran several tests to gauge the electrical current status in the vehicle. I tested nowhere near the problem documented by the original poster licoricewhip of 0.53A continuously (once the vehicle settled down). I did note the vehicle took a fair amount of time (~30 mins.) to settle down and complet...

On my 2010 XC60 the fuses in front of the underhood box that you highlighted are not hot all the time. The back three 36,37,38, 39, 40 (not used), 41, and 35 just behind those are fed through the fuel system relay, 2/32 (AKA R10) in the back left corner of that box (back right from driver's seat pe...

Have you consider this be a RDAR system issue? Its the satellite radio keeps seeking for a signal and drains the battery. There is a software update to fix it. Also I would try to change all those square relays in the fuse box and there is a couple near the low side ac port or suction port. I am al...

I attempted the same basic setup with an external relay except this time I used F22 (inside on passenger side) as the trigger. I press the start button to get the car into position 1 and the relay is closed, but as soon as I try to start the car, nothing happens. It's very frustrating at this point ...

I ordered some relays, some quick disconnect connectors (male and female of difference sizes), heat shrink tubing, and a combo package of fuse taps, inline fuse holder, and assorted fuses. They arrived today (04/12/18) so I made my own little cable assembly with one relay to try on F37. I had to wor...

I bought a 2011 S60 T6 about a year ago from a dealership and have been dealing with a battery drain issue ever since. I left the vehicle with the dealer for a full week (spring break 2017) to investigate the issue and they couldn’t find anything wrong. The RDAR update was already taken care of prio...