On 09/03/2017 11:27, Dave Plowman (News) wrote:

If that is OK, you need to measure what current is being taken from the
battery with the engine stopped and everything switched off. That should
be something like 50 mA maximum.

But many DVMs will blow their fuse or worse if used for this.


A dc clamp meter is useful at this point.
About £30 from cpc.