1998 DODGE RAM 1500 heater

4WD SWITCH (MANUAL TRANSFER CASE)-2WAY
CAV CIRCUIT FUNCTION
1 K77 18BR/WT TRANSFER CASE POSITION SENSOR INPUT
2 Z901 18BK GROUND
A/C COMPRESSOR CLUTCH (DIESEL) - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 C3 18DB/YL A/C COMPRESSOR CLUTCH RELAY OUTPUT
2 Z816 18BK GROUND
A/C COMPRESSOR CLUTCH (GAS) - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 C3 20DB/YL A/C CLUTCH RELAY OUTPUT
2 Z153 18BK/GY GROUND
A/C HEATER CONTROL C1 - BLACK 16 WAY
CAV CIRCUIT FUNCTION
1 F504 20GY/PK FUSED IGNITION SWITCH OUTPUT (RUN)
2 Z24 18BK/OR GROUND
3 C121 20DB/DG SENSOR GROUND
4 C29 20DB MODE DOOR 2 DRIVER
5- -
6 C21 20DB/LG EVAPORATOR TEMPERATURE SENSOR SIGNAL
7- -
8 E16 20OR/GY PANEL LAMPS DRIVER
9 C61 20DB/LG BLEND DOOR DRIVER
10 C801 20DB/OR MODE DOOR 1 DRIVER
11 C34 20DB/LB COMMON DOOR DRIVER
12 C32 20DB/TN RECIRCULATION DOOR DRIVER
13 C33 20LB/BR (DUAL ZONE) PASSENGER BLEND DOOR DRIVER
14 - -
15 C110 20DB/LB DEFOGGER RELAY CONTROL
16 D25 20WT/VT PCI BUS
DR8W-80 CONNECTOR PIN-OUTS 8W - 80 - 5

A/C HEATER CONTROL C2 - BLACK 10 WAY
CAV CIRCUIT FUNCTION
1- -
2 C71 16DB/BR BLOWER MOTOR LOW DRIVER
3 C73 14DB/VT BLOWER MOTOR M2 DRIVER
4- -
5 Z134 10BK/LG GROUND
6- -
7 C72 16DB/OR BLOWER MOTOR M1 DRIVER
8- -
9- -
10 C70 10DB/YL BLOWER MOTOR HIGH DRIVER
A/C PRESSURE TRANSDUCER (DIESEL) - BLACK 4 WAY
CAV CIRCUIT FUNCTION
1 K916 18BR/OR SENSOR GROUND
2 F855 18PK/YL 5 VOLT SUPPLY
3 C918 18BK/LB A/C PRESSURE SENSOR GROUND
4- -
A/C PRESSURE TRANSDUCER (NGC)-4WAY
CAV CIRCUIT FUNCTION
1 K900 18DB/DG SENSOR GROUND
2 F855 18PK/YL 5 VOLT SUPPLY
3 C918 18BK/LB A/C PRESSURE SIGNAL
4- -
ACCELERATOR PEDAL POSITION SENSOR (5.7L)-6WAY
CAV CIRCUIT FUNCTION
1 K29 20WT/BR APPS NO. 2 SIGNAL
2 F856 20YL/PK 5 VOLT SUPPLY
3 F855 20PK/YL 5 VOLT SUPPLY
4 K400 20BR/VT APPS NO.2 RETURN
5 K23 20BR/WT APPS NO. 1 SIGNAL
6 K167 20BR/YL APPS NO.1 RETURN
8W - 80 - 6 8W-80 CONNECTOR PIN-OUTSDR

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

FOG LAMP-LEFT - GRAY 2 WAY
CAV CIRCUIT FUNCTION
A Z926 18BK GROUND
B L89 18WT/YL FOG LAMP RELAY OUTPUT
FOG LAMP-RIGHT - WHITE 2 WAY
CAV CIRCUIT FUNCTION
A Z926 18BK GROUND
B L89 18WT/YL FOG LAMP RELAY OUTPUT
FUEL CONTROL ACTUATOR (DIESEL)-3WAY
CAV CIRCUIT FUNCTION
1 K915 18VT/RD FUEL RAIL SENSOR RETURN
2 K181 18BR/YL FUEL PUMP DRIVER
3 F855 18PK/YL 5 VOLT SUPPLY
FUEL HEATER (DIESEL)-2WAY
CAV CIRCUIT FUNCTION
A Z816 14BK GROUND
B A961 14RD FUEL HEATER RELAY OUTPUT
FUEL INJECTOR NO. 1 (GAS)-2WAY
CAV CIRCUIT FUNCTION
1 K11 18BR/YL INJECTOR CONTROL NO. 1
2 K342 16BR/WT ASD RELAY OUTPUT
DR8W-80 CONNECTOR PIN-OUTS 8W - 80 - 63

HEADLAMP SWITCH - BLACK 8 WAY
CAV CIRCUIT FUNCTION
1- -
2- -
3 E19 20OR/BR PANEL LAMPS DIMMER SIGNAL
4 Z407 20BK/OR GROUND
5 L89 20WT/YL (FOG LAMPS) FOG LAMP RELAY OUTPUT
6 E2 20OR/BR PANEL LAMPS DIMMER SIGNAL
7 L115 20WT/YL HEADLAMP SWITCH RETURN
8 L116 20WT/LG HEADLAMP SWITCH SIGNAL
HEADLAMP-LEFT - BLUE 3 WAY
CAV CIRCUIT FUNCTION
A L43 18WT/DB LEFT LOW BEAM OUTPUT
B Z345 18BK/LB GROUND
C L33 18WT/LG LEFT HIGH BEAM OUTPUT
HEADLAMP-RIGHT - BLUE 3 WAY
CAV CIRCUIT FUNCTION
A L44 18WT/TN RIGHT LOW BEAM OUTPUT
B Z346 18BK/LG GROUND
C L34 18WT/GY RIGHT HIGH BEAM OUTPUT
HEATED SEAT CUSHION-DRIVER - BLUE 4 WAY
CAV CIRCUIT FUNCTION
1 P187 18LG/BR DRIVER SEAT TEMPERATURE SENSOR INPUT
2 Z939 20BK GROUND
3 P53 20LG/OR DRIVER SEAT TEMPERATURE 5 VOLT SUPPLY
4 P89 20LG/OR SEAT HEATER DRIVER
8W - 80 - 68 8W-80 CONNECTOR PIN-OUTSDR

HEATED SEAT CUSHION-PASSENGER - BLUE 4 WAY
CAV CIRCUIT FUNCTION
1 P188 18LG/VT PASSENGER SEAT TEMPERATURE SENSOR INPUT
2 Z939 20BK GROUND
3 P54 20OR/LG PASSENGER SEAT TEMPERATURE 5 VOLT SUPPLY
4 P89 20LG/OR SEAT HEATER DRIVER
HEATED SEAT SWITCH-DRIVER-6WAY
CAV CIRCUIT FUNCTION
1 P81 20TN/LB DRIVER SEAT LOW HEAT LED DRIVER
2 P301 20LG/OR PANEL LAMPS DRIVER
3 Z301 20TN/BK GROUND
4 P85 20LG/WT HEATED SEAT SWITCH SUPPLY
5 P83 20TN/WT DRIVER SEAT HIGH HEAT LED DRIVER
6 P7 20LG/DG DRIVER SEAT HEATER MUX SWITCH
HEATED SEAT SWITCH-PASSENGER-6WAY
CAV CIRCUIT FUNCTION
1 P82 20TN/DG PASSENGER SEAT LOW HEAT LED DRIVER
2 P301 20LG/OR PANEL LAMPS DRIVER
3 Z302 20LG/BK GROUND
4 P85 20LG/WT HEATED SEAT SWITCH SUPPLY
5 P84 20TN/VT PASSENGER SEAT HIGH HEAT LED DRIVER
6 P8 20LG/WT PASSENGER SEAT HEATER MUX SWITCH
HORN SWITCH - WHITE 2 WAY
CAV CIRCUIT FUNCTION
1 X3 20DG/VT HORN SWITCH SENSE
2- -
DR8W-80 CONNECTOR PIN-OUTS 8W - 80 - 69

INTEGRATED POWER MODULE C6 - BLACK 15 WAY
CAV CIRCUIT FUNCTION
1- -
2 A400 14TN/RD FUSED B(+)
3- -
4 K342 16BR/WT ASD RELAY OUTPUT
5- -
6- -
7- -
8- -
9- -
10 A961 14RD (DIESEL) FUEL HEATER RELAY OUTPUT
10 C123 16LB/WT (NGC) CONDENSER FAN RELAY OUTPUT
11 A960 14RD (DIESEL) FUSED B(+)
11 A16 16RD/BR (NGC) FUSED B(+)
12 F982 14PK/YL FUSED IGNITION SWITCH OUTPUT (RUN-ACC)
13 - -
14 T16 18YL/OR TRANSMISSION CONTROL RELAY OUTPUT
15 - -
INTEGRATED POWER MODULE C7 - GRAY 26 WAY
CAV CIRCUIT FUNCTION
1 T750 14YL/GY STARTER MOTOR RELAY OUTPUT
2 W3 16BR/WT WIPER RELAY LOW SPEED OUTPUT
3 F983 20PK/YL FUSED IGNITION SWITCH OUTPUT (RUN-ACC)
4 A930 18RD FUSED B(+)
5- -
6 L43 18WT/DB LEFT LOW BEAM OUTPUT
7 L34 18WT/GY RIGHT HIGH BEAM OUTPUT
8- -
9 A109 16OR/RD (GAS) FUEL PUMP RELAY OUTPUT
10 - -
11 K51 20BR/WT (GAS) ASD RELAY CONTROL
13 - -
14 - -
15 L33 18WT/LG LEFT HIGH BEAM OUTPUT
16 - -
16 A72 18RD/OR ADJUSTABLE PEDAL RELAY OUTPUT
17 - -
17 C15 16DB/WT REAR WINDOW DEFOGGER RELAY OUTPUT
18 - -
19 K31 20BR FUEL PUMP RELAY CONTROL
20 - -
20 L89 18WT/YL (FOG LAMPS) FOG LAMP RELAY OUTPUT
21 T751 16YL FUSED IGNITION SWITCH OUTPUT (START)
22 L44 18WT/TN RIGHT LOW BEAM OUTPUT
23 T41 20YL/DB (EXCEPT NGC) TRS T41 SENSE
23 T752 20DG/OR (NGC) STARTER RELAY CONTROL
24 A944 20RD FUSED B(+)
26 - -
8W - 80 - 76 8W-80 CONNECTOR PIN-OUTSDR

OXYGEN SENSOR 1/1 UPSTREAM (NGC) - BLACK 4 WAY
CAV CIRCUIT FUNCTION
1 K99 18BR/LG O2 1/1 HEATER CONTROL
2 Z42 18BK/LG GROUND
3 K902 18BR/DG O2 RETURN (UP)
4 K41 18DB/LB O2 1/1 SIGNAL
OXYGEN SENSOR 1/2 DOWNSTREAM (NGC)-4WAY
CAV CIRCUIT FUNCTION
1 K299 18BR/WT O2 1/2 HEATER CONTROL
2 Z43 18BK/LB GROUND
3 K904 18DB/DG O2 RETURN (DOWN)
4 K141 18DB/YL O2 1/2 SIGNAL
OXYGEN SENSOR 2/1 UPSTREAM (NGC)-4WAY
CAV CIRCUIT FUNCTION
1 K199 18BR/VT O2 2/1 HEATER CONTROL
2 Z934 18BK GROUND
3 K902 18BR/DG O2 RETURN (UP)
4 K43 18DB/LG O2 2/1 SIGNAL
OXYGEN SENSOR 2/2 DOWNSTREAM (NGC)-4WAY
CAV CIRCUIT FUNCTION
1 K399 18BR/GY O2 2/2 HEATER CONTROL
2 Z992 18BK GROUND
3 K904 18DB/DG O2 RETURN (DOWN)
4 K243 18BR O2 2/2 SIGNAL
DR8W-80 CONNECTOR PIN-OUTS 8W - 80 - 81