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Diagnostics
Symptom Problem Solution
Display dim, blank, or hard to
read
Screen contrast improperly
adjusted
Weak power supply to Insight™
box
Short in sensors powered by
Insight box
Control box failure
See Insight Settings
Measure supply voltage with
Insight connected – some
combines do not maintain
enough power under electrical
load. Examples of causes for
weak power supply include
Engine startup
Engaging an electric feeder
reverser
Insight will need reset after
correction of wiring short
Reversed polarity to hall-effect
sensors may cause this symptom
Individually disconnect sensors
to isolate problem – screen
will regain contrast when faulty
sensor is disconnected
Correct short in wiring
Insight will need reset after
correction of wiring short
Contact Headsight
Insight box does not power up Power wire needs to be in pin 31
of connector Y311 for Headsight
systems made before 2008
Control box failure
Move headsight combine power
wire from pin 29 to pin 31
Measure voltage across pin 4
(power) and pin 6 (ground) of
y101 on Insight box.
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