8 MAINTENANCE
47
Always check Interlock System after servicing the electrical system!
Relay
Description
Function
KYA / K2
Key Switch “A”
Provide power to alternator IG circuit when ignition switch is in the RUN position and
operator is seated.
KYI / K1
Key Switch “I”
Provides power to KYS/K3 relay when power take-off switch is OFF, parking brake and
neutral switches are closed.
KYS / K3
Key Switch “S”
Cranks starter motor when ignition switch is in the START position, power take-off switch is
OFF, parking brake and neutral switches are closed.
BK1 / K4
Brake -Start
Part of starting circuit. Relay closes when parking brake is engaged.
BK2 / K5
Brake-Run
Disconnects power to cruise control relay (CRS) with parking brake engaged.
Disconnects power to the alternator IG circuit when the operator leaves seat with parking
brake disengaged.
NT1 / K6
Neutral-Start
Part of starting circuit. Relay closes when traction pedal is in Neutral.
NT2 / K7
Neutral-Run
Disconnects power to the alternator IG circuit when operator leaves seat with neutral switch
still open (traction pedal pressed).
NT3 / K8
Neutral-Cruise
Disconnects power to cruise control when neutral switch is closed (traction pedal in
Neutral).
ML / K9
Mow -Left
Deck
Energizes solenoid to left side deck valve when deck is lowered and power take-off switch
is ON.
MC / K10
Mow-Center
Deck
Energizes solenoid to front deck valve when deck is lowered and power take-off switch is
ON.
MR / K11
Mow-RIght
Deck
Energizes solenoid to right side deck valve when deck is lowered and power take-off switch
is ON.
CRS / K12
Cruise Control
Activates cruise control when cruise control switch is closed, traction pedal is pressed and
parking brake is disengaged.
4WD / K13
Four Wheel
Drive
Energizes solenoid to four wheel drive valve when four wheel drive switch on instrument
panel and forward sensing switch on traction pump are closed.
LTS
Lights
Included with light harness kit 5003564. Controls operation of lights.
K15
Run Circuit
Cutout
Disables run circuit when keyswitch is turned to START position.
K16
Auxilliary
Provides power to ignition circuit with keyswitch in RUN position. Disables ignition circuit in
START position.
K17
Ignition
Provides power to gauges, mow circuit, 4WD circuit and seat switch circuit.
K1
K2
K
3
K4
K5
K6
K7
K
8
K9
K10
K11
K12
K1
3
K17
K16
K15
MR
MC
ML NT
3
NT2 NT1 BK2 BK1 KY
S
KYA KYI
K15 K16 K17
LT
S
4WD CR
S
Wire Harness Label
Schematic Code
Summary of Contents for HR 9016 Turbo
Page 18: ...3 DECALS 17...
Page 53: ...ADJUSTMENTS 9 52 Figure 9D K J H G G...
Page 69: ...NOTES 12 68 12 NOTES...