Peterbilt Cummins CELECT 1995, 379 Cummins CELECT Schematic
Cummins CELECT Schematic (1995 1/2): Model 379 Family SK26139 C 01
OEM INTERFACE
CONNECTOR
A
A23
B
NONE
C
522
NONE
D
E
NONE
NONE
F
524
G
NONE
H
517
J
518
L
520
M
519
650A
N
P
649A
NONE
R
NONES
NONE
T
UNONE
532
V
NONE
W
XKNONE
CUMMINS ECM
"B" CONNECTOR
540
1
2
529
525
3
534
4
647
5
515
6
7
526
8
528
9
516
10
646
11
499
530
12
533
13
14
501
15
544
16
438
17
523
18
498
19
500
NONE
20
NONE
21
22
531
23
502
NONE
24
25
419
NONE
26
27
527
28
648
POWER
CONNECTOR
30
A
239
B
30
C
TOWER
CKT FUNCTION
12V POWER (KEY ON)
23
12V POWER (BATTERY)
30
ENGINE FAN POWER
220
12V POWER (KEY ON, FUSED)
226
DASH GROUND
239
12V POWER (KEY ON, FUSED)
242
DASH ILLUMINATION (0-12V)
253
"CRUISE" LIGHT
354
"CHECK ENGINE" LIGHT
419
"STOP ENGINE" LIGHT
438
ACLTR POSITION +5V DC
498
ACLTR POSITION WIPER
499
ACLTR POSITION RETURN
500
IDLE/DIAGNOSTIC INCREMENT
501
IDLE/DIAGNOSTIC DECREMENT
502
C-BRAKE SELECT
514
ACTIVE IDLE INPUT
515
THROTTLE RESPONSE INPUT
516
COOLANT LEVEL +5V DC
517
COOLANT LEVEL RETURN
518
COOLANT LEVEL - LOW
519
COOLANT LEVEL - NORMAL
520
C-BRAKE ENABLE
521
(OPTIONAL)
LOW COOLANT SENSOR
518
NORMAL
517
LOW
COOLANT LEVEL
526
525
BABATSBAT
5
5
2
2
6
5
DATA
LINK J1587
AND CAP
ROAD
SPEED
SENSOR
520
METRI-PACK
519
519
518
517
520
WEATHER PACK
519
518
517
520
TOWER
5
528
527
6
3
4
6
4
A
BBT
A
BAS
S
6
5
4
3
4
6
646
534
CKT FUNCTION
FAN CLUTCH ENABLE
522
ATA TACH AND DIAGNOSTIC SIG
523
ATA SIGNAL RETURN
524
SPEEDO (+)
525
SPEEDO (-)
526
DATA LINK (+) J1587
527
DATA LINK (-) J1587
528
CRUISE - ON
529
CRUISE - SET
530
CRUISE - RESUME
531
DIAGNOSTIC
532
BRAKE OFF
533
CLUTCH ENGAGED
534
"ENGINE FLUID" WARNING
540
RELAYED REMOTE PTO SIGNAL
544
REMOTE PTO SIGNAL
A544
CELECT SWITCH COMMON
646
RELAYED CELECT SWITCH COMMON
A646
ENGINE BRAKE SELECT OR 1
647
ENGINE BRAKE SELECT OR 2
648
DATA LINK (+) J1922
649
DATA LINK (-) J1922
650
519
BAAB
518
C
C
517
D
D
520
FEMALE
MALE
519
BAAB
518
C
C
517
D
D
520
SHROUD
CUMMINS CELECT
ENGINE HARNESS
POWER
239
30
CUMMINS CELECT
POWER HARNESS
CLUTCH SWITCH
SWITCH NO
SHOWN
CLUTCH
ENGAGED
30
A
B
C
D
SHROUD
519
518
517
520
STANDARD
LOW COOLANT
JUMPER
DATA
LINK J1922
AND CAP
ENGINE FLUID
WARNING RELAY
540
226
ENGINE FAN RELAY
NONE
A540
522
533
540
NONE
A540
540
522
533
239239
TO SPARE POWER
CONNECTION #3
USE 20 AMP FUSE
PANEL
DIMMER
304
MAIN
ACCESS
RELAY
GROUND
2
2
6
253
522
226
RELAYS SHOWN:
NOT-ENERGIZED
BRAKE SWITCH
533
PRESSURE APPLIES
SERVICE BRAKES
J1922 DATA
LINK AND
CAP
PANEL
LIGHTING
CIRCUIT
20A FUSE
20A FUSE
239
P
650BA649
BA
23
242
226
CAB
GROUND
CIRCUIT
(OPTIONAL)
LOW COOLANT
JUMPER
FIREWALL
CONNECTOR
A
5
4
4
T
S
OPTIONAL
A
5
REMOTE
STANDARD
TRUCK
WIRING
ALTERNATOR
4
4
PTO CONTROL
CONNECTION
239
6
6
5
4
0
9
B
B
A
BBT
A
S
31
CIRCUIT
BREAKER
FRAME
GND
ENGINE
GND
CAB
GROUND
OPTIONAL REMOTE PTO CONTROL
RELAY AND PRESSURE SWITCH
A
A23 A23
B
647
647
C
648 648
D
419
419
E
438
438
F
498
498
G
499 499
H
500
500
J
501
501
K
502
502
L
650C
650
M
515 515
N
516
516
P
522
522
Q
527
527
R
528
528
S
529
529
T
530
530
U
531
531
V
649C
649
W
533
533
X
646
646
Y
540
540
Z
532
532
a
NONE
NONE
b
544 544
c
A544
A544
d
523 523
e
524 524
f
NONE
NONE
g
NONE
NONE
ELECTRIC ACCELERATOR
PEDAL ASSEMBLY
HD LTS
LIGHT
SWITCHES
CL LPS
28
AUX LTS
28
TAIL
LIGHT
CB
298
30
+
S
239
-
239
A544
544
A646
P
PARKING BRAKE SWITCH
OR WINCH BRAKE SWITCH
516
500
499
498
T
C
CBASACB
SIGNAL
THROTTLE
RETURN
+5V
ACLTR
POSITION
SWITCH
8
KEY
SWITCH
IGNITION
CB
MAIN CAB
POWER
STARTER
226
A646
646
646
515
BCAABC
S
T
IDLE
+5V
IDLE
VERIFICATION
SWITCH
10A FUSE
TAIL
LIGHTS
MAIN
CAB
CB
BATTERIES
+
528BA527
T
BA
S
J1587 DATA
LINK AND
CAP
13
286 239
A298
-+-+-
KEY
SWITCH
226
A540
239
220
STANDARD
10 AMP
FAN FUSE
646
A220
NONE
646
FUSE/RELAY
HARNESS
NONE
A220
646
A23A23
242
239
528
T
S
FEDCB
DIAGNOSTIC
CONNECTOR
(START
SWITCH)
23 23
A23
A23
NOTES:
29
1) SCHEMATIC FOR CUMMINS 1995.5 CELECT
ENGINE
2) PRESSURE SWITCH SHOWN IN NON-PRESSURIZED
NONE
POSITION
3) CLUTCH SWITCH SHOWN WITH CLUTCH ENGAGED
STANDARD
5 AMP
ECM FUSE
EOF KILL
SWITCH
CONNECTOR
ABS CONNECTOR
A646
646
(OPTIONAL)
C-BRAKE
OFF/ON
SWITCH
(OPTIONAL)
C-BRAKE
RANGE
A646
SWITCH
(1,2,3)
1
2
3
1
2
3
CRUISE SWITCH ILLUMINATION
647
647
648
648
239253
354
242
529
CRUISE
ON/OFF
646
CUMMINS CELECT
CAB HARNESS
CUMMINS CELECT
CAB HARNESS
239
242
523AB524
AB
ATA TECH
SIGNAL
AND CAP
CONNECT
TO SPEEDO
T
HARNESS
S
2
4
4
1
2
9
2
4
4
1
2
9
527
A
A220
A540
438 438
SPARE
A220
354354
419419
SPARE
354 354
220 220
2
3
9
2
3
9
438 438
SPARE
CUMMINS CELECT
CAB HARNESS
WARNING LIGHT BAR
SET
530
646
531
RESUME
UP
501
646
502
DOWN
532
646
SWITCH
CRUISE
SWITCH
SET/
RESUME
IDLE/
DIAGNOSTIC
BUMP
SWITCH
DIAGNOSTIC
SWITCH
220239
CAB
POWER
CIRCUIT
KEY-ON
POWER
SPARE
POWER
CIRCUIT
#3
"ENGINE FAN"
419242
"CHECK ENGINE"
438242
"STOP ENGINE"
SCHEMATIC AND WIRING DIAGRAM:
CUMMINS CELECT, CONVENTIONAL
354 239
"CRUISE CONTROL"
SPARE
"ENGINE FLUIDS"
239
TRUCK POWER SCHEMATIC
SK26139.FM
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