Hi everyone,

I have been trying to come up with an alternative to the bulb system: and I'm getting close.

Bulbs (made of rubber), dry out and eventually crack. Replacing them are simple- for a price (~100). Electric pumps are cheap and near universal (ie, junk yard accessible).

So....why not install a pressure switch under the foot pedal, run it through a relay that powers an electric washer pump (see scaled down model attached).

FYI: used parts from 78 merc (relay, washer pump, wires; 10 bucks), and horn button from autozone (5 bucks).

I'm hoping for easier interchangeability (via 2 prong plug), and cheaper replacability.

Thoughts?

Attached Thumbnails

 

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Current:
1971 Mercedes Benz 250 (Euro Spec)
1972 Mercedes Benz 250 (US Spec)
Past:
1972 Mercedes Benz 280