Electrical starter:
The main power supply to the starter cannot be protected with a fuse. Thus the routing
must ensure that there is no increased risk of fire in the event of a short circuit.
The electrical connection of the starter is shown in Chapter 92-00-00 Wiring diagrams.
Fig. 01 - 22 Starter Wiring Diagram
Power supply starter <200A*
Power supply on T50 ACTIVATES the starter
Connect starter housing on GND (engine block)
Starter Connector
*Depends on different terms (temperature, mounted propeller, etc.) the current through the supply
line can reach a value up to 200A.
Glow Plug Control Unit:
The glow system is designed to be only active, if the aircraft is on ground.
This is provided by an “A/C on ground indication”, which must be implemented into the aircraft
design. This needs to be low if active (switch to GND if active).
These lamps are not essential for flight operation. Therefore they can be seen as optional for
installation. Replace Annunciation Lamp GPC and Caution Lamp GPC with a pull-down resistor
(5kOhm), if the lamps are not used.
But it is recommended to install the indication lamps to ease failure analysis for maintenance actions
e.g. if problems with cold start performance occur.
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