[thingstodo]

Originally Posted by e*clipse

Also - thingstodo - you can get a very nice OE throttle pedal for really cheap! It has 2 hall-effect sensors and is already connected to a pedal! The Prius throttle pedal does all this, and it's been built to Toyota quality specs.
04 05 06 07 08 09 Toyota Prius Gas Pedal Throttle Accelerator 78120 47050 | eBay

I've got the service data for it if you're interested.

Thanks for the link.

For testing the volume control looking knob is easier to set than putting a consistent pressure on the throttle. Throttles have strong springs (they kinda have to)

EDIT - just like Paul said .. and I just read it.