That switch is the drain, replace it. I have one if needed.

"Elan7eOwner" <mr_gadget_guyREMOVETHIS@yahoo.com> wrote in message
news:c15vuv$qan$1@murdoch.acc.Virginia.EDU...
> I have a 91 STD hatchback civic with zero frills, no auto/power anything,
no
> ciggarette lighter not even a glove box or a trunk light.
>
> There is a 300ma drain on battery when the drivers side door is open and
> keys are in my hand. (none with passenger side door). No, the interior
light
> is not on and the door switch has been checked to work fine too.
>
> There is a clicking sound from the drivers door when the battery is
> disconnected/reconnected. (other door doesnt do it, but does make the
click
> when it is moved beyond a certain point in its closing-arc)
>
> I noticed some kind of switch that is in the door with wires leading to it
> that makes the noise. Its in a transparent plastic box which says "do not
> remove" and seems like part of the seatbelt mechanism.
>
> Now what could this switch/relay be for? I thought seatbelts worked
without
> power, using pendulum or intertia retractors. (anyone know which one it is
> for my car?) Plus I dont have power-anything in the door and I doubt that
my
> super *plain* car has a pretensioner.
>
> Help?
>
> possibly similar case here:
>
>
http://groups.google.com/groups?selm...2sp1nbagk%404a
x.com&oe=UTF-8&output=gplain
>
>
>