[Richard L]

Lets start form the beginning before it gets too complicated in our communications.

1. Set the jumper on the controller to all default position (align with the gold dots above)
2. Gauge on.
3. Clip jet on windscreen
4. Remove the "PRK" jumper and put it on "TST", can you see water spray?
5. If yes, continue...
6. Remover "TST" jumper and put it in "PRK"
7. take car for a drive and watch for spray.
8. If yes, continue
9. Watch gauge for bar display. If no, continue
10. Adjust "SC" trimmer on gauge clockwise a few clicks.
11. post the result here.