R N K L Y H U R U U K L B - G - P - Y - G - W - P - O - B - P - P - Y 0 7 8 1 2 3 4 5 6 0 0 8 0 1 1 0 0 0 0 0 0 4 9 8 8 8 8 8 8 8 8 8 8 7 7 7 6 6 6 6 6 6 6 6 6 6 6 6
P5
Y Y Y Y R R R E R E E E T T T T T T T T A A A A B B B B - - + +
37 27 35
38 29 8 18 17 36 26 166 7
14 4 9 19 5 15 25
12 21 1 11
Y G 9 8 7 6
K H R L N H U R U Y P - W - B - Y - G - W - P - O - B - B 1 0 2 4 1 6 7 8 9 8 2 2 0 0 0 0 0 0 0 9 7 7 7 7 7 7 7 7 7 7 6 6 6 6 6 6 6 6 6 6
R K U B - P - B 1 4 5 4 9 9 4 7 7 6 6 6
L U U R Y H U Y - P - B - O - G - W - P 6 7 9 8 1 7 3 7 3 3 3 4 9 9 7 7 7 7 7 7 7 6 6 6 6 6 6 6
1 5A
C
+V COOLANT COLLANTRETURN COOLANT
OR BK GN
A B C
+V PRESS.RETURN FUELPRESS.
OR YL GN
A B C
- 12v +
N/C RELAY
C 5 2 3 4
2
2
S
6
OFF ON ST
B
R
ENGINE CYLINDER HEAD (GND STUD)
KEY SWITCH S
MTR BAT
NOTE G 22 29 32 21 12 19 39
9 20 40 33 11 10 31 3 38 30
ENGINEPROTECTION SYSTEMS
15A
G
J7
ALTERNATOR
STARTER MOTOR
P7
6740-PU 6790-PK 6788-YL
GND
4AWG OR LARGER J12 A B
6791-OR 6789-GY 6441-BR
P16 J16 SENSOR FUELPRESSURE
BATTERY2
+ 12v -
1
J10 P10 SENSOR COOLANTTEMP
1 0A
BATTERY 1 RELAY (OPTIONAL)
SERIES PAR. SW
A B C D E F G H J
ENGINE SENSOR BRAKE FUSE FUSE
J4 P4
K K N N B - B - G - G 2 2 1 1 0 0 2 2 2 2 1 1 6 6 6 6
J9 A B
ECM FUSE
E L P R B M E A A + - Z 1 2 N L K K Z N I I N E C I N U I I N I R T L L B W E S A A G W D O T T N S S E R N A A I N E A D D R R R T G A A A A P A A T E I P T R D A A W S S
) 2 2 9 1 J (
OEM RESPONSIBILITY
ECM GND STRAP
F F O / H N D C O E T T R H C L T E I N C L I P W E S O / D E W L E S C T K E H E C S B S C M C E + - T L C K I A K L L O I T U / D D R H R U U S T A S S H E A R L E E R H H T V P C C R S B
. E N S R R G S U N N N U N E S O O O T I R S M T P M M M 1 2 3 4 5 6 G E I E M M M . . . . . . N R / T N L R O O O O O O O O O I G D ) A E M N E V L U P C C C N N N N N N I 8 O F L L L L L L L L L L T I E ( M P V O V E Y Y Y Y Y Y Y Y Y V I U C C C C C C C C C + T S + C + F
2
4
CYL NO. 6
G L N A 1 N R N I U G T E L R N A R E O R S A N P E S S
ADASHED OUTLINE SPECIFIESA COMPONENT REQUIRED ONLY FOR OPTIONAL FEATURES
NOTE B:
12AWG 25 FT MAX LENGTH 10AWG 40FT MAX LENGTH SOLDERED SPLICE WITHIN 1FT OF P7-1 PERMITTED
BAT. SIGNAL GND NOTE C NOTE C:
NOTE H:
NOTE J:
C40161P1
THE CYLINDER HEAD GROUND STUD MUST HAVEADIRECT WIRE CONNECTION TO BATTERY(-). THIS CONNECTION CAN BE MADEAT THE STARTER (-) TERMINAL OR MAIN FRAME GROUND LUG. THIS WIRE MUST HANDLE FULL ALTERNATOR CHARGING CURRENT (6AWG WIRE MINIMUM). NOADDITIONAL CONNECTIONSAREALLOWED TOANY WIRES TO THE LEFT OF LINE WITHOUT ENGINEERING APPROVAL. CIRCUITS TO RIGHT OF LINEARE RECOMMENDATIONS. WHEN CRUISE CONTROL IS USED WITHALLISON WT SERIES TRANSMISSION. THE CLUTCH SWITCH MUST BE REPLACED BY AJUMPER FROM P7-31 TO P7-2 COMPONENTSARE SHOWN WITH THE KEY OFF
CONTACT ENGINE BRAKE SUPPLIER FOR BRAKE ENABLE COMPONENT SPECIFICATIONS
(PEDALRELEASEDPOSITION)
IN IN
NOTE G:
NOTE J
5mA
40mA
A B C D E
CATERPILLAR RESPONSIBILITY
ECM RETARDER ENABLE OUTPUT 0.30AMAX WITHIN 1 V OF BATTERY VOLTAGE
40mA
NOTE F:
SPEEDOMETER SHOWN HAS INTERNAL SIGNAL (-) AND GROUND CONNECTION. IF INTERNAL CONNECTION IS NOT PRESENT. WIREAS SHOWN BELOW
NOTE D
TO VEHICLE SPEED BUFFER
VEHICLE SPEED BUFFER IS DESIGNEDTO OPERATEWITH SPEEDOMETERSWITHTHE FOLLOWINGSIGNALCHARACTERISTICS. VEHICLE SPEED BUFFER SIGNAL MAXIMUMSPEEDOMETER VOLTAGE LOAD CURRENT
PIN C PIN B
SPEEDOMETER BAT. SIGNAL
TO CYLINDER HEAD GROUND STUD
GND ±6 VDC ±3 VDC ±1 VDC
0.0mA 1.0mA 10.0mA NOTE: D
SINGLE POINT GROUND CONNECTIONAT SPEEDOMETER REQUIRED FOR VEHICLE SPEED BUFFERAND SPEEDOMETER
NOTE E:
"SINGLE" WINDING MAGNETIC PICKUP SENSOR REQUIRED.
OUTPUT VOLTAGE OF THE VEHICLE SPEED BUFFER ISA SQUARE WAVE WITH THE SAME FREQUENCYAS THE MAGNETIC PIKCUP SENSOR SIGNAL AND THEAMPLITUDE WILL DEPEND UPON SPEEDOMETER LOAD CURRENT
