Engine Electrical

Wiring the Batteries and Contactors

4/18/14 - Began wiring the batteries and contactors according to the Viking wiring diagram. Installed a #6 cable from each positive side of the battery to the BAT side of each contactor. Installed a #6 cable between one contactor output and the starter. Installed a #6 cable between the two contactor output studs. Total Time = 6 hours.

Batteries and Contactors Wired

4/26/14 - Installed a #6 cable from each negative side of the battery to the engine ground. Installed a #10 cable from the engine ground to the grounding bus. Installed a #10 cable from one battery negative side to the grounding bus. Installed a #8 cable between each of the battery negative terminals. Total Time = 5 hours.



Engine Ground Wires in Place to the Batteries

4/27/14 - Installed a diode (1N540X) to protect the contacts of each of the battery contactors. Installed a #8 cable from one side of the 60 amp fuse to the alternator. Total Time = 3 hours.

Diodes Added to Contactors

5/17/14 - Wired up a temporary test panel and the distribution panel for a preliminary checkout of the electrical system. Total Time = 3 hours.

Engine Control Unit (ECU)

5/18/14 - Installed temporary wiring for the fuel pumps, on/off switches for the batteries and the circuit breakers. Total Time = 4 hours.

Temporary Wring Completed

5/24/14 - Installed oil pressure sensor, oil temperature sensor, coolant temperature sensor, gearbox temperature sensor, ampmeter coil and fuel pressure sensor. Wired up temporary setup of the Viking View Engine Monitor. Total Time = 5 hours.

Temporary Sensor Wires Connected

5/25/14 - Hooked up the remaining wires to the Viking View connectors and tightened down the nuts on the battery contactors, 50 amp fuse and the alternator. Total Time = 5 hours. 


ECU Connections Made

5/26/14 - Double checked wiring according to the circuit diagrams. Filled the engine with 3.5 quarts of 5W20 sythenic-blend oil. Filled gearbox with 3 ounces of 75W90 synthetic gear oil. Started installing header tank with hoses and fuel injection hose clamps. Attached a ground wire to the header tank sight gauge protective cover. Total Time = 3 hours.

5/27/14 - Fastened a ground wire from the main ground bus on the distribution panel to the airframe ground bus. Filled engine with 1 gallon of Evans coolant. Total Time = 2 hours.

5/31/14 - Added 1 and 1/2 gallons of 93 octane pump fuel to the header tank. Started the engine for the first time. Yeah!  Total Time = 2 hours.


Total Engine Electrical Installation Time = 38 Hours.