>  Date:        98-11-02 23:46:05 EST
>  From:        rubatoguy@WORLDNET.ATT.NET (Todd Last)
>
>  Yes, and why would you want to turn it on and off?  On in the winter, off
in
>  the summer? Or is it just to aid in the installation of the core?
>
>  Westys4evr@aol.com wrote:
>
>  > The gray lever turns the coolant flow on and off thru the heater core.

Yes, exactly - on in the winter, off in the summer.  It's described in the
van's owner's manual.  I assume it's because, even without the blower
running, it would tend to heat up the area just in front of the rear seat if
it were left on.  But, I haven't really experimented with it.

                                            -Steven