Saturday, November 24, 2018

Avionics

Alt Field, Discrete #4 and Contactor Relay" connected ( 3 hrs )

Connected "Alt Fld" wire (from Master Switch position 3) to Alternator red wire (from gray  connector on alternator for Alt Enable Field Switch).  Connected "Discrete #4" wire from GEA24 J244 connector to white wire at Alt (connector on back of Alternator)  - to provide indication Alt output "OFF".  Per Stein Air's recommendation, I soldered wires instead of using crimped splice joints.  So most of time spent practice soldering.   Covered joints with two layers heat shrink for better toughness, and the extra lengths were doubled up and secured with cable ties to P909 Alt Pwr wire.  Added spiral wrap for extra protection (not in pic below).    Next, connected "Contactor Relay" wire from Master Switch (position 6) to Master or Main Battery Contactor Relay on firewall.  Crimped ring terminal on the Wht/Brn wire. secured to post along with ES Diode Master.  Used layered heat shrink at crimp, then covered this single wire with small dia spiral wrap all the way to firewall opening.
Doubled extra length of wires after soldering, covering heat shrink. 
After pic, covered with spiral wrap

view from below...  secured "Contactor Relay" wire to battery 
cable on way to firewall opening

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