Dec 3, 2010. #5. My concern wud be - if it drains a (70Ah) battery in "a few hours" thats like taking 35amps - 420watts - that's one hell of an interior light . Maybe yu need to be a bit more precise in your battery capacity and time from charged to flat. Last edited: Dec 3, 2010. Make sure you measure from the actual battery positive post and not the wiring. The reason for this is to isolate any possible contact issues between the alternator and the battery. Personally I did have a loose positive battery terminal that caused what you are describing. Good Luck. 04-06-2011, 09:31 AM #3. SSM 75717, which is for 2022 Defender L663, Discovery L462, and Range Rover L560 vehicles, was updated on June 10, 2022. This provides a little more information about the issue: “Following an auto stop/start event the gear selector displays ‘N’ (Neutral) without any transmission selector operation. “D” (Drive) selectable only after “The Land Rover Discovery is decent to drive and really spacious, but is far from the most economical SUV” Discovery 3 for approx two years, first problem electrical handbrake locked able It only charges when it believes it needs to for the sake of saving drag on the engine, thus boosting fuel economy by a fraction of a mpg. As such you'll see battery voltage in the 12-13v range instead of the 14-15v range most are accustomed to in other vehicles while they're running. It unfortunately results in very short battery life and . alternator l322 test. Jump to Latest Follow. 11K views 6 replies 3 participants last post by Britrover Nov 5, 2014. B. Britrover Discussion starter. 19 posts · Joined 2014. #1 · Nov 1, 2014. 2005 L322 BMW V8 - 90,000 miles. Battery light on dash just came on - 11.7 V across battery when running indicating failed alternator. my land rover discovery has intermittent fault and can flatten a brand new battery in about 2 hours It has been checked out at lucas 3 or 4 times but no fault ever found help please . Is it the alternator and a faulty diode or is it in the alarm system Overdrive! Dec 10, 2005. #1. My charging light came on suddenly tonight after having a new alternator for a week. The belt was fine but the lamp stayed brightly lit even with all accessories and lights out. Disconnecting the large cable that feeds back to the battery from terminal B+, I measured the output from the alternator as 3.5 volts.

land rover discovery 3 alternator problems