53600WD-3000-4000-EFIS-Main-Harness April 05, 2024 18:38 EFIS Main DB25 and EFIS Expansion DB9 schematic for AF-3000 and AF-4000 series EFIS. 53600WD-3000-4000-EFIS-Main-Harness.pdf 300 KB Download Related articles AF-3000 and AF-4000 Series Install Manual and Pilot's Guide AF-3000-4000 series internal engine monitor documents 53900WD Engine Sensor Harness for VDO PSI AOA Sport and Pro Operating and Installation Manual