See if you can measure the parasitic drain when van off. I think others have outlined method. And, and I'm a practitioner of this approach, plug in a battery charger on some sort of schedule. I am of the mind that we don't fully charge our batteries all the time with just driving.

Alistair

> On Jan 26, 2017, at 2:34 PM, PB <pbrattan@GMAIL.COM> wrote:
> 
> Just got a brand new 36 month free replacement battery on Jan. 2. Due to
> recent bad weather, I drove it fairly short distances 2 days in a row,
> didn't drive it for about 2 weeks, and now the battery's dead again.  I
> can't see that any lights were left on, and the stereo kill switch is
> turned off. I did notice, however that the second time I drove it,  it was
> a little harder to start so I checked the battery voltage.  I don't
> remember exactly what it showed, but it was less than 12 volts, and
> although the van started, it didn't start as easily as it should. At that
> time, I noticed that I had an unused plug connected to the aux battery, and
> there was a blue light on around the plug.  I promptly disconnected it when
> I noticed it. I also made sure that the dash cig lighter plug was not
> pushed in.
> 
> When I first got my van, I didn't know there was a stereo kill switch, so
> the stereo was drawing current, and it killed the battery.  Got a new
> battery then, and that battery lasted nearly 10 years without any issues at
> all.
> 
> What could be drawing current this time?  Or is it just not charging while
> I drive?
> Patti
> 90 Westy Automatic
> Los Angeles
> 
> -- 
> 
> *♪♫**♥**♫♪♪♫**♥**♫♪♪♫**♥**♫♪♪♫**♥**♫♪*
> If it's not on my iPhone, it doesn't exist...
> ●▬▬▬▬▬▬ஜ۩۞۩ஜ▬▬♥▬▬▬ஜ۩۞۩ஜ▬▬▬▬▬●