Yes, does have a seal. Good Idea about jumping it to see if good direct power would make a difference.

I have my horns relayed the factory way (German double horn option).
http://shufti.wordpress.com/2010/10/06/dual-horn-relay-and-wiring/

Radio and kitchen etc are coming off my aux fuse panel under driver's seat, that's working out fine.
http://shufti.wordpress.com/2013/01/06/vanagon-my-auxiliary-battery-wiring/

alistair

On 2013-02-10, at 11:56 AM, neil n wrote:

> Does the pump have seals to keep wiper fluid out of its' electrical parts?
> 
> If you install a relay, it could also carry power to any number of OEM
> accessories. Radio, horn, kitchen light....
> 
> Heh heh.
> 
> A little knowledge is a bad thing in my hands.
> 
> Test at motor connections with a new  -   lead  and  +   straight from 30?
> 
> 
> On Sun, Feb 10, 2013 at 11:46 AM, Alistair Bell <albell@shaw.ca> wrote:
> 
> 
>> I'm now wondering if the pump is not getting the power it really needs. Probably partially due to degrading connections (today's theme), but I wonder if supplying some good voltage power might make the difference.
>> 
>> alistair
> 
> -- 
> Neil n
> 
> 65 kb image Myford Ready For Assembly  http://tinyurl.com/64sx4rp
> 
> '88 Slate Blue Westy to be named.
> 
> '81 VanaJetta 2.0 "Jaco"  http://tubaneil.googlepages.com/
> 
> Vanagon VAG Gas I4/VR Swap Google Group:
> 
> http://groups.google.com/group/vanagons-with-vw-inline-4-cylinder-gas-engines