Electronics International US-8A - Manual (Page 31)

US-8A Sample Wiring Diagram
For
Twin 6-Cylinder Engine Aircraft
WD 1001914
27
US-8A
Back View
L. EGT Probe #1.
L. EGT Probe #2.
L. EGT Probe #3.
L. EGT Probe #4.
L. EGT Probe #5.
L. EGT Probe #6.
L. CHT Probe #1.
L. CHT Probe #2.
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
Connects to: Connects to:
R. EGT Probe #1.
R. EGT Probe #2.
R. EGT Probe #3.
R. EGT Probe #4.
R. EGT Probe #5.
R. EGT Probe #6.
R. CHT Probe #1.
R. CHT Probe #2.
Channel marked
on ext. cable.
Connecting Wire Harness.
Right Extension Cable Harness.
Left Extension Cable Harness.
White/Brown
White/Red
White/Orange
Red
Black
White/Yel
Description Connects To:
12V Bus.
24V Bus (Gnd for
12V system).
Panel Light
Rheostat.
12/24 Volt Bus.
via 1 amp fuse.
Ground
12V Back Light.
24V Back Light.
LED Dimming.
Power Lead.
Ground Lead.
Note: Any channel will accept any one of E.I.'s probes.
Note: Varying cable lengths will not affect accuracy.
Note: For a twin-engine installation use the left
channels for the left engine and the right channels for
the right engine.
Note: The Right and Left Extension Cable Harnesses
are identical.
(Optional) External Warning Control
Line. Can be connected to a relay to
control an external light, buzzer, etc.
This line grounds when a Red Warning
Light is on. Current must be limited to
2/10 amp maximum.