Changing the sweep angle on standard wiper motors changing the sweep angle and self park on ongaro heavy duty wiper motors guide to selecting wire gauge for horns and wiper motors instructions on installing our deluxe shorty trumpet horns wiring and sweep angle specs for 309 319 329 series heavy duty wiper motors wiring sweep angle specs for 336 series heavy duty. Doesn t include any wiring diagram or instructions. Wiring diagram 2 for optional one speed operation afi 2 5 wiper motor 12v or 24v p park yellow wire with red stripe f fast red wire s slow green wire negative black wire 1 park 2 slow 3 fast 12v or 24v battery 12v or 24v 3 position windshield wiper switch p f s mounting.