Aspen Avionics TECH NOTE 2008-04

Description:  Wiring diagram change to Figure 9.19B – Cessna ARC 300A when replacing a G502A or G504A DG.   EFD1000 installation manual A-01-126-00 REV D Figure 9.19B is missing an offset voltage wire from ARC 300A CA-395 pin 23 to the EFD1000 ACU P3 pin 25.  See page 2 of bulletin for the correct interface circled in red.


35 years component-level Aviation/Electronics repair/Avionics retrofit experience. FCC General Radiotelephone with Ship Radar. Navcom-Audio, Transponder-Pulse-Radar, Autopilot expertise. IT Administration since 1983. Private Pilot since 1986. CAD designer since 1990. FAA Certified Repair Station Chief Inspector since 1994. Started 3 Avionics Shops. College: Business Administration/Marketing. Motorcycle enthusiast. 6 year USAF Veteran, Ground Radio Equipment Technician (30474, E-5). WordPress novice.

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