Thomas Switches - Quick Reference Table
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SWITCH LETTERING SBP PART NUMBER OEM PART NUMBER PILOT LIGHTS ACTUATOR COLOR TERMINALS PAGE NUMBER
A/C FAN LO/HI-OFF
 S-4761 52003761/52005586 1 CLEAR GRAY
8
A/C FAN HIGH-LOW
S-4161
52004161
1 CLEAR & 1 RED
GRAY
6
A/C HEAT COOL VENT
 S-4762
52005587/52003762
1 CLEAR
GRAY
8
A/C MASTER ON-OFF
S-4763
52003763
1 CLEAR
GRAY
4
AUX. RES. AIR TANK-DRAIN S-4935 61201533 1 CLEAR GRAY
4
COMP ON-OFF
S-4733
52003733
1 CLEAR
GRAY
4
CRUISE ON-OFF
S-4702
61201502
1 CLEAR
GRAY
4

CRUISE SET-RESUME
S-4703
61201503
1 CLEAR
GRAY
8
CROSSING ARM CANCEL-NORMAL
S-4754
52003754
1 CLEAR
YELLOW
4
DEF LO/HI-OFF
S-4752
52003752/52005580
1 CLEAR
GRAY
8

DEF. HEATER LO/HI-OFF
S-4758
52003758
1 CLEAR
GRAY
8
DEF. HEATER ON-OFF
S-4177
52004177
1 CLEAR
GRAY
4
DOOR
S-4731
52003731/52004593
1 GREEN
GRAY HANDLE
8
DRIVERS DOME ON-OFF S-4721 52003721 1 CLEAR GRAY
4

DRIVERS HEATER LO/HI-OFF
S-4760
52003760/52005585
1 CLEAR
GRAY
8
ECM/DIAGNOS S-4706 61201506 1 CLEAR GRAY
4

EMERGENCY WARNING ON-OFF

 S-4907 52003207 1 CLEAR RED
6
EMERGENCY WARNING ON-OFF S-4720 52003720 1 CLEAR RED
4
FAN ON-OFF S-4745 52003745 1 CLEAR GRAY
4
FAN LO/HI-OFF S-4756 52003756/52005563 1 CLEAR GRAY
8
FAST IDLE-ON/OFF S-4701   1 CLEAR & 1 AMBER GRAY
6
FOG ON-OFF S-4737 52003737 1 CLEAR GRAY
5
FRONT HEATER LO/HI-OFF S-4585 52004585/52005591 1 CLEAR GRAY
8
HORN ON S-4734 52003734 1 CLEAR GRAY
4
ID MARKER ON-OFF S-4729 52003729 1 CLEAR GRAY
4

IDLE/DIAGNOS

 S-4708 61201508 1 CLEAR GRAY
8
KNEEL-ON/OFF S-4710 61201510 1 CLEAR & 1 AMBER GRAY
4
LEFT HEATER LO/HI-OFF S-4753 52003753/52005581 1 CLEAR GRAY
8
LIFT ON-OFF S-4749 52003749 1 CLEAR GRAY
5
MASTER ON-OFF S-4742 52003742 1 CLEAR GRAY
5
MIRROR ON-OFF S-4751 52003751 1 CLEAR GRAY
5
NOISE ACTIVE-NORMAL S-4766 52003766 1 CLEAR & 1 RED YELLOW
6
OVERRIDE ON-OFF S-4740 52003740 1 CLEAR GRAY
6
OVERRIDE ON-OFF S-4741 52003741 1 CLEAR GRAY
4
PASS HEATER LO/HI-OFF S-4755 52003755/52005582 1 CLEAR GRAY
8
PEDALS ADJUST-FORWARD/BACK S-4925 61201525 1 CLEAR GRAY
8
PRIMARY RES. AIR TANK-DRAIN S-4933 61201533 1 CLEAR GRAY
4
PUMP ON-OFF S-4750 52003750 1 CLEAR GRAY
4
REAR HEATER S-4586 52004586/52005588 1 CLEAR GRAY
8
RIGHT HEATER HI/LO-OFF S-4180 52004180/52005589 1 CLEAR GRAY
8
SECONDARY RES. AIR TANK-DRAIN S-4934 61201534 1 CLEAR GRAY
4
SIGN ON-OFF S-4739 52003739 1 CLEAR GRAY
4
SPEAKER OUTSIDE-INSIDE S-4759 52003759 1 CLEAR GRAY
8
STEP HEATER LO/HI-OFF S-4181 52004181/52005590 1 CLEAR GRAY
8
STROBE ON-OFF S-4730 52003730/52004584 1 CLEAR GRAY
5
TEST ENGINE DIAGN ON-OFF S-4707 61201507 1 CLEAR GRAY
4
VIDEO CAMERA ON-OFF S-4748 52003748 1 CLEAR GRAY
4
WARNING (ON) AMBER OFF S-4164 52004164 1 CLEAR GRAY
6
WARNING ON-OFF S-4035 52003135 1 CLEAR GRAY
6
WARNING ON-OFF S-4723 52003723 1 CLEAR GRAY
4
WARNING ON-OFF (MOM) S-4724 52003724 1 CLEAR RED
4
WARNING ON (MOM)-OFF S-4725 52003725 1 CLEAR RED
4
WARNING ON (MOM)-OFF S-4727 52003727 1 CLEAR RED
6
WARNING (ON) AMBER-OFF S-4728 52003728 1 CLEAR RED
6
WARNING RED-AMBER S-4722 52003722 1 CLEAR RED
8
WET RES. AIR TANK-DRAIN S-4932 61201532 1 CLEAR GRAY
4
WIPER (LOW) HIGH-PARK S-4735 5200373552005579 1 CLEAR GRAY
8
W/S WASHER S-4736 52003736 1 CLEAR GRAY
4
 

 
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