Engine DODGE RAM 1500 1998 2.G Workshop Manual

C109 (DIESEL) - LT GRAY (ENGINE SIDE)
CAV CIRCUIT
1 V35 18VT/OR
2 V32 18VT/YL
3 T41 18YL/DB
4 T6 18DG
5 T118 18DG
6 T9 18DG/TN
7-
8 T38 18YL/BR
9 T75 18YL/LB
10 T54 18DG/OR
11 T515 18YL/DB
12 V36 18VT/YL
13 T14 18DG/BR
14 T13 18DG/VT
C109 (DIESEL) - LT GRAY (TRANSMISSION
SIDE)
CAV CIRCUIT
1 V35 20VT/OR
2 V32 20VT/YL
3 T41 20YL/DB
4 T6 20DG
5 T118 18DG
6 T9 18DG/TN
7-
8 T38 18YL/BR
9 T75 18YL/LB
10 T54 18DG/OR
11 T515 20YL/DB
12 V36 20VT/YL
13 T14 18DG/BR
14 T13 18DG/VT
C110 (DIESEL) - BLACK (ENGINE SIDE)
CAV CIRCUIT
1 C3 18DB/YL
2 B29 18DG/WT
3-
4 K900 18DB/DG
5 V37 18VT
6 K160 18BR/OR
7 K161 18BR/LB
8 F856 18YL/PK
9 D20 18WT/LG
10 D21 18WT/BR
10 D21 18PK
11 F202 18PK/GY
12 K29 18WT/BR (M/T)
13 K854 18VT/BR (M/T)
14 K400 18BR/VT (M/T)
DR8W-80 CONNECTOR PIN-OUTS 8W - 80 - 17

C110 (DIESEL) - BLACK (TRANSMISSION SIDE)
CAV CIRCUIT
1 C3 20DB/YL
2 B29 20DG/WT
3-
4 K900 20DB/DG
5 V37 20VT
6 K160 18BR/OR
7 K161 18BR/LB
8 F856 18YL/PK
9 D20 20WT/LG
10 D21 20WT/BR
11 F202 20PK/GY
12 K29 20WT/BR (M/T)
13 K854 20VT/BR (M/T)
14 K400 20BR/VT (M/T)
C112 (DIESEL A/T) - (ENGINE SIDE)
CAV CIRCUIT
1 C3 18DB/YL
2 A961 14RD
3 K615 18VT/WT
4 K616 18BR/YL
C112 (DIESEL A/T) - (TRANSMISSION SIDE)
CAV CIRCUIT
1 C3 18DB/YL
2 A961 14RD
3 K615 18VT/WT
4 K616 18BR/YL
C112 (DIESEL M/T) - (ENGINE SIDE)
CAV CIRCUIT
1 C3 18DB/YL
2 A961 14RD
3 K615 18BR/WT
4 K616 18BR/YL
5 K167 18BR/YL
6 K23 18BR/WT
7 K852 18BR/VT
8 K29 18WT/BR
8W - 80 - 18 8W-80 CONNECTOR PIN-OUTSDR

C131 (3.7L/4.7L EXCEPT ELECTRONIC TRANS-
FER CASE) - (HEADLAMP AND DASH SIDE)
CAV CIRCUIT
1 D20 20WT/LG
2 D21 20WT/BR
3-
4-
C131 (3.7L/4.7L EXCEPT ELECTRONIC TRANS-
FER CASE) - DK GRAY (ENGINE SIDE)
CAV CIRCUIT
1 D20 18WT/LG
2 D21 18WT/BR
3-
4-
C131 (4.7L ELECTRONIC TRANSFER CASE) -
(ENGINE SIDE)
CAV CIRCUIT
1 T316 16YL/GY
2 D200 20WT/LG
3 T313 20YL/LG
4 D202 20WT/VT
5 T885 20YL/GY
6 D201 20WT/DG
7 D203 20WT/BR
8 T315 16YL/BR
9 D20 18WT/LG (4.7L)
10 D21 18WT/BR (4.7L)
11
12
8W - 80 - 20 8W-80 CONNECTOR PIN-OUTSDR

C131 (4.7L ELECTRONIC TRANSFER CASE) -
(HEADLAMP AND DASH SIDE)
CAV CIRCUIT
1 T316 16YL/GY
2 D200 20WT/LG
3 T313 20YL/LG
4 D202 20WT/VT
5 T885 20YL/GY
6 D201 20WT/DG
7 D203 20WT/BR
8 T315 16YL/BR
9 D20 20WT/LG (4.7L)
10 D21 20WT/BR (4.7L)
11
12
C131 (5.7L/DIESEL) - GRAY (ENGINE SIDE)
CAV CIRCUIT
A1 T316 16YL/GY (ELECTRONIC TRANS-
FER CASE)
A2 D200 20WT/LG (ELECTRONIC TRANS-
FER CASE)
A3 T313 20YL/LG (ELECTRONIC TRANS-
FER CASE)
A4 D202 20WT/VT (ELECTRONIC TRANS-
FER CASE)
A5 T885 20YL/GY (ELECTRONIC TRANS-
FER CASE)
A6 D201 20WT/DG (ELECTRONIC TRANS-
FER CASE)
A7 D203 20WT/BR (ELECTRONIC TRANS-
FER CASE)
A8 T315 16YL/BR (ELECTRONIC TRANS-
FER CASE)
B1 -
B2 D20 20WT/LG
B3 D21 20WT/BR
B4 V32 20VT/YL (DIESEL)
B5 T117 20DG/YL (DIESEL A/T)
B6 V36 20VT/YL (DIESEL A/T)
B7 T917 20YL/TN (DIESEL A/T)
B8 -
C1 A961 14RD (DIESEL)
C2 B22 20DG/WT (5.7L)
C3 F855 18PK/YL (5.7L)
C3 B29 20DG/WT (DIESEL)
C4 F856 18YL/PK (5.7L)
C5 K160 18BR/OR (DIESEL)
C6 K161 18BR/LB (DIESEL)
C7 V37 20VT (DIESEL)
C8 K25 18DB/VT (DIESEL)
DR8W-80 CONNECTOR PIN-OUTS 8W - 80 - 21

DATA LINK CONNECTOR - BLACK 16 WAY
CAV CIRCUIT FUNCTION
12 D20 20WT/LG SCI RECEIVE (PCM)
13 - -
14 - -
15 D15 18WT/DG SCI TRANSMIT (TCM)
16 A114 18GY/RD FUSED B(+)
DATA LINK CONNECTOR-ENGINE (DIESEL)-3WAY
CAV CIRCUIT FUNCTION
1 D72 18WT/LB CCD BUS (+)
2 D71 18WT/DB CCD BUS (-)
3 Z816 14BK (A/T) GROUND
3 Z11 14BK/LG (M/T) GROUND
DOME LAMP - BLACK 3 WAY
CAV CIRCUIT FUNCTION
1- -
2 M20 20YL/LB COURTESY LAMPS DRIVER
3 Z964 20BK GROUND
DOOR AJAR SWITCH-DRIVER - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 G75 20VT DRIVER DOOR AJAR SWITCH SENSE
2 Z75 20BK/VT GROUND
DOOR AJAR SWITCH-LEFT REAR - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 G77 20VT/GY LEFT REAR DOOR AJAR SWITCH SENSE
2 Z79 20LG/BK GROUND
8W - 80 - 54 8W-80 CONNECTOR PIN-OUTSDR

ELECTRIC BRAKE PROVISION-4WAY
CAV CIRCUIT FUNCTION
A A400 14TN/RD FUSED B(+)
B B40 14DG TRAILER TOW BRAKE B(+)
C L50 18WT/TN BRAKE LAMP SWITCH OUTPUT
D Z998 18BK GROUND
ELECTRIC THROTTLE CONTROL MODULE - BLACK 6 WAY
CAV CIRCUIT FUNCTION
1 K22 18BR/OR TP NO. 1 SIGNAL
2 F855 18PK/YL 5 VOLT SUPPLY
3 K447 18TN/YL ETC MOTOR (+)
4 K122 18BR/DG TP NO. 2 SIGNAL
5 K448 18TN/OR ETC MOTOR (-)
6 K922 18BR/DB TP SENSOR RETURN
ENGINE CONTROL MODULE C1 (DIESEL) - 60 WAY
CAV CIRCUIT FUNCTION
1- -
2- -
3- -
4 D72 18WT/LB CCD BUS (+)
5 D71 18WT/DB CCD BUS (-)
6 K65 18BR/LB FUEL PUMP RELAY RETURN
7 K20 18BR/GY GEN FIELD CONTROL
8- -
9- -
10 - -
11 K2 18TN/BK (A/T) ECT SIGNAL
11 K2 18VT/OR (M/T) ECT SIGNAL
12 K181 18BR/YL FUEL PUMP DRIVER
13 - -
14 K22 18BR/WT (A/T) TP SIGNAL
14 K23 18DB/WT (M/T) APPS NO. 1 SIGNAL
15 K21 18DB/LG INTAKE AIR TEMPERATURE SENSOR SIGNAL
16 - -
16 K29 18WT/BR (M/T) APPS NO. 2 SIGNAL
17 - -
18 - -
19 K31 18BR FUEL PUMP RELAY CONTROL
20 - -
21 - -
22 K24 18LB/BR (A/T) CKP SIGNAL
22 K24 18BR/LB (M/T) CKP SIGNAL
23 K914 18RD/WT (A/T) SENSOR GROUND
23 K914 18BR/WT (M/T) SENSOR GROUND
24 K44 18DB/GY CMP SIGNAL
25 K668 18LG (A/T) SUPPLY VOLTAGE
25 K688 18BR (M/T) SUPPLY VOLTAGE
8W - 80 - 58 8W-80 CONNECTOR PIN-OUTSDR

ENGINE CONTROL MODULE C1 (DIESEL) - 60 WAY
CAV CIRCUIT FUNCTION
26 C918 18BK/LB A/C PRESSURE SENSOR GROUND
27 K853 18DB/BR 5 VOLT SUPPLY
28 - -
29 K690 18DG/YL (A/T) INLET AIR TEMPERATURE/PRESSURE RETURN
29 K690 18BR/YL (M/T) INLET AIR TEMPERATURE/PRESSURE RETURN
30 K11 16WT/DB (A/T) INJECTOR CONTROL NO. 1
30 K11 16BR/YL (M/T) INJECTOR CONTROL NO.1
31 G123 18VT/LG WATER IN FUEL SENSOR SIGNAL
32 K916 18BR/OR SENSOR GROUND
33 K922 18LG/OR (A/T) THROTTLE POSITION SENSOR RETURN
33 K167 18BR/YL (M/T) APPS NO. 1 RETURN
34 K565 18OR IDLE SWITCH
35 - -
36 K14 16BR/TN INJECTOR CONTROL NO. 4
37 - -
38 - -
39 - -
40 K13 16TN (A/T) INJECTOR CONTROL NO. 3
40 K13 16BR/LB (M/T) INJECTOR CONTROL NO.3
41 - -
42 K851 18VT/PK (A/T) 5-VOLT SUPPLY
42 K852 18BR/VT (M/T) APPS 1 5-VOLT SUPPLY
43 K37 18LB (A/T) BOOST PRESSURE SENSOR SIGNAL
43 K37 18BR/OR (M/T) BOOST PRESSURE SENSOR SIGNAL
44 K556 18OR/BR NOT IDLE SWITCH
45 N2 18DB/YL LIFT PUMP FEED
46 K58 16BR/VT INJECTOR CONTROL NO. 6
47 - -
48 - -
49 - -
50 K12 16BR/DB INJECTOR CONTROL NO. 2
51 - -
52 K975 18BR/BK (A/T) SENSOR GROUND
52 K975 18BR/OR (M/T) SENSOR GROUND
53 K915 18VT/RD FUEL RAIL SENSOR RETURN
54 F855 18PK/YL 5 VOLT SUPPLY
55 - -
56 K38 16GY (A/T) INJECTOR CONTROL NO. 5
56 K38 16BR/OR (M/T) INJECTOR CONTROL NO. 5
57 K229 16TN/PK (A/T) ENG-INJECTOR HIGH SIDE DRIVER-BANK 2
57 K229 16BR/LB (M/T) ENG-INJECTOR HIGH SIDE DRIVER-BANK 2
58 - -
59 K227 16BR/LG ENG-INJECTOR HIGH SIDE DRIVER-BANK 1
60 - -
DR8W-80 CONNECTOR PIN-OUTS 8W - 80 - 59

ENGINE CONTROL MODULE C2 (DIESEL) - 50 WAY
CAV CIRCUIT FUNCTION
1- -
2- -
3 K615 18VT/WT INLET AIR TEMPERATURE SENSE
3 K615 18BR/WT (M/T) INLET AIR TEMPERATURE SENSE
4 V35 18VT/OR (A/T) S/C VENT CONTROL
5 K176 18BR/OR INTAKE AIR HEATER RELAY NO 2 CONTROL
6 K174 18BR/YL INTAKE AIR HEATER RELAY NO 1 CONTROL
7 V32 18VT/YL (A/T) SPEED CONTROL SUPPLY
8- -
9 T41 18YL/DB (A/T) PARK/NEUTRAL POSITION SWITCH SENSE (T41)
10 K161 18BR/LB FAN SPEED SENSOR
11 B22 18DG/YL VEHICLE SPEED SENSOR SIGNAL NO. 1
12 G6 18VT/GY OIL PRESSURE SIGNAL
13 T6 18DG (A/T) TOW/HAUL OVERDRIVE OFF SWITCH SENSE
14 T118 18DG (A/T) GOVERNOR PRESSURE SOLENOID CONTROL
15 T9 18DG/TN (A/T) 3-4 SOLENIOD CONTROL
16 D21 18WT/BR SCI TRANSMIT (PCM)
16 D21 18PK (M/T) SCI TRANSMIT
17 - -
18 T38 18YL/BR (A/T) GOVERNOR PRESSURE SENSOR SIGNAL
19 D20 18WT/LG SCI RECEIVE (PCM)
20 A209 16RD FUSED B(+)
21 Z902 16BK GROUND
22 - -
23 F856 18YL/PK 5 VOLT SUPPLY
24 K900 18DB/DG SENSOR GROUND
25 T75 18YL/LB (A/T) TORQUE CONVERTER CLUTCH SOLENOID CONTROL
26 N4 18DB/WT FUEL LEVEL SENSOR SIGNAL
27 - -
28 D25 18WT/VT PCI BUS
29 T54 18DG/OR (A/T) TRANSMISSION TEMPERATURE SENSOR SIGNAL
30 A209 16RD FUSED B(+)
31 T515 18YL/DB (A/T) TRANSMISSION CONTROL RELAY CONTROL
32 F202 18PK/GY FUSED IGNITION SWITCH OUTPUT (RUN-START)
33 K854 18VT/BR (M/T) 5 VOLT SUPPLY
34 V36 18VT/YL (A/T) S/C VACUUM CONTROL
35 K616 18BR/YL INLET AIR PRESSURE SENSE
36 V32 18VT/YL (M/T) SPEED CONTROL SUPPLY
37 B29 18DG/WT BRAKE SWITCH SIGNAL
38 - -
39 - -
40 A209 16RD FUSED B(+)
41 C13 18LB/OR A/C CLUTCH RELAY CONTROL
42 - -
43 K160 18BR/OR PARK LOCKOUT SOLENOID CONTROL
44 T14 18DG/BR (A/T) OUTPUT SPEED SENSOR SIGNAL
45 T13 18DG/VT (A/T) SENSOR GROUND
46 V37 18VT S/C SWITCH NO. 1 SIGNAL
47 K25 18DB/VT BATT TEMP SIGNAL
48 K400 18BR/VT (M/T) APPS NO.2 RETURN
49 Z902 16BK GROUND
50 Z902 16BK GROUND
8W - 80 - 60 8W-80 CONNECTOR PIN-OUTSDR

ENGINE COOLANT TEMPERATURE SENSOR (DIESEL)-2WAY
CAV CIRCUIT FUNCTION
A K914 18RD/WT SENSOR GROUND
A K914 18BR/WT SENSOR GROUND
B K2 18TN/BK ECT SIGNAL
B K2 18VT/OR ECT SIGNAL
ENGINE COOLANT TEMPERATURE SENSOR (GAS) - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 K900 18DB/DG SENSOR GROUND
2 K2 18VT/OR ECT SIGNAL
ENGINE OIL PRESSURE SWITCH-2WAY
CAV CIRCUIT FUNCTION
1 G6 18VT/GY OIL PRESSURE SIGNAL
2- -
EVAP/PURGE SOLENOID (NGC)-2WAY
CAV CIRCUIT FUNCTION
1 K52 18DB/WT EVAP PURGE CONTROL
2 K70 18DB/BR EVAP PURGE RETURN
DR8W-80 CONNECTOR PIN-OUTS 8W - 80 - 61

CONNECTOR NAME/NUMBER COLOR LOCATION FIG.
Battery Temperature Sensor BK Below Battery Tray 22, 25, 26, 28
Blend Door Actuator (Single Zone) BK Behind Right Side of Instrument
PanelN/S
Blower Motor BK Behind Right Side of Instrument
PanelN/S
Blower Motor Resistor Block BK Behind Right Side of Instrument
PanelN/S
Brake Lamp Switch BK Top of Brake Pedal Arm 30, 35, 38
Brake Transmission Shift Interlock
SolenoidBK Near Steering Column 31, 35, 38
C102 Near Integrated Power Module 25
C106 BK Left Rear Engine 7
C107 (5.7L) BK Left Rear Engine 7
C112 (Diesel) BK Near T/O for Water In Fuel Sensor N/S
C113 BK Left Side Engine 10
C114 BK Left side Engine 10
C115 (Diesel) BK Left Side Engine 10
C130 BK Left Rear of Engine 4, 8, 21
C131 Right Rear Engine Compartment 4, 8, 21
C200 GY Under Instrument Panel 39
C201 WT Near Left Instrument Panel
Speaker35, 38
C202 BK Left Rear Side of Engine
Compartment27
C206 BK Right Instrument Panel 35, 39, 48
C207 Rear Engine Compartment 22
C216 BK Middle Left Frame 22, 25, 50
C217 BK Middle Left Frame 22, 25, 50
C218 WT Left Side of Instrument Panel 22, 24, 40, 44, 46
C219 GY Left Side of Instrument Panel 22, 24, 31, 35, 38, 40,
44
C220 WT Left Side of Instrument Panel 35, 38, 40, 44, 46
C250 Seft Side Instrument Panel 35
C301 WT Right Kick Panel 40, 42, 45, 47
C302 BK Left Front Door 40, 42, 45, 47
C304 WT Left Side of Instrument Panel 41, 44, 46
C305 BK At Left Front Door 41, 44, 46
C306 WT Middle Front of Door 43, 46
C308 WT Under Instrument Panel 39, 40, 45, 47
C309 WT Left Side of Instrument Panel 35, 38, 40, 44, 46
C311 BK Left Rear of Frame 44, 46
C312 WT Under Seat 47
C313 DK GY At Driver Seat N/S
C314 DK GY At Driver Seat N/S
8W - 91 - 2 8W-91 CONNECTOR/GROUND/SPLICE LOCATIONDR
CONNECTOR/GROUND/SPLICE LOCATION (Continued)