no , plugged.
if looped, it's a short circuit having some affect on reducing front
heater performance.

On 12/10/2013 7:13 PM, Stuart MacMillan wrote:
> True, but they are $100 and I don't use it enough in winter to justify this
> with all the other stuff I have to do. So, it's either plug or loop the
> lines.  I think they should be looped, any opinions?
>
> Stuart
>
> -----Original Message-----
> From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of
> Dennis Haynes
> Sent: Tuesday, December 10, 2013 5:45 PM
> To: vanagon@GERRY.VANAGON.COM
> Subject: Re: Anyone have a good rear heater core for sale?
>
> For some reason the rear heater cores are generally available in the normal
> automotive aftermarket. Compared to heater cores for some other cars the
> price of these is not all that bad. Considering the damage that can be done
> if one suddenly fails I would suggest replacing it. Why install another 25
> year old wear part?
>
> Dennis
>