2003 JEEP GRAND CHEROKEE Connector pin

JUNCTION BLOCK C2 (LHD) - BLACK 52 WAY
CAV CIRCUIT FUNCTION
1 X3 22GY/OR HORN RELAY CONTROL
2- -
3 L39 20LB FOG LAMP RELAY OUTPUT
4- -
5 L61 20TN/LG LEFT TURN SIGNAL
6- -
7- -
8 V6 16DB FUSED IGNITION SWITCH OUTPUT (RUN-ACC)
9 V6 16DB (GAS) FUSED IGNITION SWITCH OUTPUT (RUN-ACC)
10 L62 18BR/RD RIGHT TURN SIGNAL
11 F991 20OR/DB FUSED IGNITION SWITCH OUTPUT (RUN-START)
12 L39 20LB FOG LAMP RELAY OUTPUT
13 - -
14 - -
15 V16 22VT WIPER HIGH/LOW RELAY CONTROL
16 - -
17 - -
18 - -
19 - -
20 L7 20BK/YL PARK LAMP RELAY OUTPUT
21 L7 20BK/YL PARK LAMP RELAY OUTPUT
22 - -
23 - -
24 F37 16RD/LB (EXCEPT BASE) FUSED B(+)
25 F22 20WT/PK FUSED IGNITION SWITCH OUTPUT (RUN)
26 L60 20TN RIGHT TURN SIGNAL
27 F45 20YL/RD FUSED IGNITION SWITCH OUTPUT (START)
28 V55 16TN/RD WIPER PARK SWITCH SENSE
29 - -
30 - -
31 F72 16RD/YL FUSED B(+)
32 M1 20PK/RD FUSED B(+)
33 V55 16TN/RD (GAS) WIPER PARK SWITCH SENSE
34 - -
35 - -
36 A146 12OR/WT FUSED B(+)
37 - -
38 L34 18RD/OR FUSED RIGHT HIGH BEAM OUTPUT
39 L43 18VT FUSED LEFT LOW BEAM OUTPUT
40 - -
41 - -
42 F20 18DB/PK FUSED IGNITION SWITCH OUTPUT (RUN)
43 F12 20DB/WT FUSED IGNITION SWITCH OUTPUT (RUN-START)
44 - -
45 A146 12OR/WT FUSED B(+)
46 - -
47 F32 20PK/DB FUSED B(+)
48 - -
49 L44 18VT/RD FUSED RIGHT LOW BEAM OUTPUT
50 L33 18RD FUSED LEFT HIGH BEAM OUTPUT
51 - -
52 F60 14RD/WT (EXCEPT BASE) FUSED B(+)
8W - 80 - 88 8W-80 CONNECTOR PIN-OUTWJ

JUNCTION BLOCK C2 (RHD) - BLACK 52 WAY
CAV CIRCUIT FUNCTION
1 X3 22BK/RD HORN RELAY CONTROL
2- -
3 L39 20LB FOG LAMP RELAY OUTPUT
4- -
5 L61 20TN/LG LEFT TURN SIGNAL
6- -
7- -
8 V6 16DB FUSED IGNITION SWITCH OUTPUT (RUN-ACC)
9 V6 16DB (GAS) FUSED IGNITION SWITCH OUTPUT (RUN-ACC)
10 L62 20BR/RD RIGHT TURN SIGNAL
11 F991 20OR/DB (GAS) FUSED IGNITION SWITCH OUTPUT (RUN-START)
12 L39 20LB FOG LAMP RELAY OUTPUT
13 - -
14 - -
15 V16 22VT -
16 - -
17 - -
18 - -
19 - -
20 L7 20BK/YL PARK LAMP RELAY OUTPUT
21 L7 18BK/YL PARK LAMP RELAY OUTPUT
22 - -
23 - -
24 F37 16RD/LB FUSED B(+)
25 F22 18WT/TN FUSED IGNITION SWITCH OUTPUT (RUN)
26 L60 20TN RIGHT TURN SIGNAL
27 F45 20YL/RD FUSED IGNITION SWITCH OUTPUT (START)
28 V55 16TN/RD WIPER PARK SWITCH SENSE
29 - -
30 - -
31 - -
32 M1 20PK/RD FUSED B(+)
33 V55 16TN/RD (GAS) WIPER PARK SWITCH SENSE
34 - -
35 - -
36 A146 12OR/WT FUSED B(+)
37 - -
38 L34 18RD/OR FUSED RIGHT HIGH BEAM OUTPUT
39 L43 18VT FUSED LEFT LOW BEAM OUTPUT
40 - -
41 - -
42 F20 18DB/PK FUSED IGNITION SWITCH OUTPUT (RUN)
43 F12 20DB/WT (GAS) FUSED IGNITION SWITCH OUTPUT (RUN-START)
44 - -
45 A146 12OR/WT FUSED B(+)
46 - -
47 F32 20PK/DB FUSED B(+)
48 - -
49 L44 18VT/RD FUSED RIGHT LOW BEAM OUTPUT
50 L33 18RD FUSED LEFT HIGH BEAM OUTPUT
51 - -
52 F60 16RD/WT FUSED B(+)
WJ8W-80 CONNECTOR PIN-OUT 8W - 80 - 89

JUNCTION BLOCK C3 - BLACK 52 WAY
CAV CIRCUIT FUNCTION
1 F22 20WT/PK FUSED IGNITION SWITCH OUTPUT (RUN)
2- -
3 L60 20TN RIGHT TURN SIGNAL
4 L302 20LB/YL RIGHT TURN SWITCH SENSE
5 L61 20TN/LG LEFT TURN SIGNAL
6 L91 20DB/PK HAZARD SWITCH SENSE
7- -
8 L305 20LB/WT LEFT TURN SWITCH SENSE
9- -
10 L309 20PK/LG HIGH BEAM RELAY CONTROL
11 F23 18DB/YL FUSED IGNITION SWITCH OUTPUT (RUN)
12 F22 20WT/PK FUSED IGNITION SWITCH OUTPUT (RUN)
13 - -
14 F85 16VT/WT FUSED B(+)
15 C79 20BK/WT FUSED REAR WINDOW DEFOGGER RELAY OUTPUT
16 - -
17 - -
18 - -
19 - -
20 - -
21 - -
22 - -
23 - -
24 A31 12RD/BK IGNITION SWITCH OUTPUT (RUN-ACC)
25 F60 16RD/WT FUSED B(+)
26 - -
27 A41 12YL IGNITION SWITCH OUTPUT (START)
28 F14 20LG/YL FUSED IGNITION SWITCH OUTPUT (RUN-START)
29 A22 12BK/OR IGNITION SWITCH OUTPUT (RUN)
30 F991 18OR/DB FUSED IGNITION SWITCH OUTPUT (RUN-START)
31 Z234 20BK GROUND
32 F33 20PK/RD FUSED B(+)
33 X12 16WT/RD FUSED IGNITION SWITCH OUTPUT (RUN-ACC)
34 M1 20PK FUSED B(+)
35 M1 20PK (AZC) FUSED B(+)
36 A21 12DB IGNITION SWITCH OUTPUT (RUN-START)
37 - -
38 F70 20PK/BK FUSED B(+)
39 X3 20GY/OR HORN RELAY CONTROL
40 F30 16RD FUSED CIGAR LIGHTER RELAY OUTPUT
41 F33 20PK/RD FUSED B(+)
42 - -
43 V23 20BR/PK FUSED IGNITION SWITCH OUTPUT (RUN-ACC)
44 M1 20PK FUSED B(+)
45 Z132 20BK/OR GROUND
46 - -
47 - -
48 F70 20PK/BK FUSED B(+)
49 - -
50 G5 20DB/WT FUSED IGNITION SWITCH OUTPUT (RUN-START)
51 G5 20DB/WT FUSED IGNITION SWITCH OUTPUT (RUN-START)
52 F12 20DB/WT FUSED IGNITION SWITCH OUTPUT (RUN-START)
8W - 80 - 90 8W-80 CONNECTOR PIN-OUTWJ

JUNCTION BLOCK C4 - WHITE 2 WAY
CAV CIRCUIT FUNCTION
1 A148 10PK/WT FUSED B(+)
2 A148 10OR/WT FUSED B(+)
JUNCTION BLOCK C5 - WHITE 3 WAY
CAV CIRCUIT FUNCTION
1 A145 10WT/RD FUSED B(+)
2 A149 12RD/TN FUSED B(+)
3 A147 10RD/GY FUSED B(+)
KNOCK SENSOR - BLACK 4 WAY
CAV CIRCUIT FUNCTION
1 K4 18BK/LB SENSOR GROUND
2 K42 18DB/LG KNOCK SENSOR NO. 1 SIGNAL
3 K4 18BK/LB SENSOR GROUND
4 K142 18GY/BK KNOCK SENSOR NO. 2 SIGNAL
LEAK DETECTION PUMP (EXCEPT BUILT-UP-EXPORT)-4WAY
CAV CIRCUIT FUNCTION
1- -
2 K125 18OR/DG GENERATOR SOURCE
3 K106 20WT/DG LEAK DETECTION PUMP SOLENOID CONTROL
4 K107 20OR/YL LEAK DETECTION PUMP SWITCH SENSE
LEFT COURTESY LAMP - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 F70 20PK/BK FUSED B(+)
2 M2 20YL COURTESY LAMP DRIVER
WJ8W-80 CONNECTOR PIN-OUT 8W - 80 - 91

LEFT DOOR HANDLE COURTESY LAMP - WHITE 3 WAY
CAV CIRCUIT FUNCTION
1 F70 20PK/BK FUSED B(+)
2 M20 20YL/BK COURTESY LAMP LOAD SHED
3 M2 20YL/DG COURTESY LAMP DRIVER
LEFT FOG LAMP - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 L39 20LB FOG LAMP RELAY OUTPUT
2 Z141 20BK (DIESEL/4.7L RHD) GROUND
2 Z141 18BK (EXCEPT DIESEL/4.7L RHD) GROUND
LEFT FRONT DOOR SPEAKER - WHITE 3 WAY
CAV CIRCUIT FUNCTION
1 X55 18LG/DG (BASE) LEFT FRONT DOOR SPEAKER (-)
1 X85 18LB/BK (RHD PREMIUM) LEFT FRONT DOOR SPEAKER (-)
1 X85 18LG/DG (LHD PREMIUM) LEFT FRONT DOOR SPEAKER (-)
2- -
3 X53 18LG/RD (BASE) LEFT FRONT DOOR SPEAKER (+)
3 X87 18LB/RD (RHD PREMIUM) LEFT FRONT DOOR SPEAKER (+)
3 X87 18LG/RD (LHD PREMIUM) LEFT FRONT DOOR SPEAKER (+)
LEFT FRONT IMPACT SENSOR - BLACK 4 WAY
CAV CIRCUIT FUNCTION
1- -
2- -
3 R47 18DB/LB LEFT FRONT IMPACT SENSOR GROUND
4 R49 18LB LEFT FRONT IMPACT SENSOR SIGNAL
LEFT FRONT PARK LAMP - WHITE 2 WAY
CAV CIRCUIT FUNCTION
1 Z1 18BK GROUND
2 L7 20BK/PK PARK LAMP RELAY OUTPUT
8W - 80 - 92 8W-80 CONNECTOR PIN-OUTWJ

LEFT FRONT PARK/TURN SIGNAL LAMP (EXCEPT BUILT-UP-EXPORT) - BLACK 3 WAY
CAV CIRCUIT FUNCTION
1 L7 20BK/PK PARK LAMP RELAY CONTROL
2 Z1 18BK GROUND
3 L61 20TN/LG LEFT TURN SIGNAL
LEFT FRONT SIDE MARKER LAMP (EXCEPT BUILT-UP-EXPORT) - WHITE 2 WAY
CAV CIRCUIT FUNCTION
1 L7 20BK/PK PARK LAMP RELAY OUTPUT
2 L61 20TN/LG LEFT TURN SIGNAL
LEFT FRONT TURN SIGNAL LAMP (BUILT-UP-EXPORT) - WHITE 2 WAY
CAV CIRCUIT FUNCTION
1 L61 20TN/LG LEFT TURN SIGNAL
2 Z1 18BK GROUND
LEFT FRONT WHEEL SPEED SENSOR - GRAY 2 WAY
CAV CIRCUIT FUNCTION
1 B9 18RD LEFT FRONT WHEEL SPEED SENSOR 12 VOLT
SUPPLY
2 B8 18RD/DB LEFT FRONT WHEEL SPEED SENSOR SIGNAL
WJ8W-80 CONNECTOR PIN-OUT 8W - 80 - 93

LEFT HEADLAMP LEVELING MOTOR (BUILT-UP-EXPORT) - BLACK 3 WAY
CAV CIRCUIT FUNCTION
1 Z1 18BK GROUND
2 L114 18VT/DB HEADLAMP ADJUST SIGNAL
3 L7 20BK/PK PARK LAMP RELAY OUTPUT
LEFT HIGH BEAM HEADLAMP - BLACK 2 WAY
CAV CIRCUIT FUNCTION
A Z1 18BK GROUND
B L33 18RD FUSED LEFT HIGH BEAM OUTPUT
LEFT INSTRUMENT PANEL SPEAKER - WHITE 2 WAY
CAV CIRCUIT FUNCTION
1 X83 18YL/RD LEFT INSTRUMENT PANEL SPEAKER (+)
2 X81 18YL/BK LEFT INSTRUMENT PANEL SPEAKER (-)
LEFT LIFTGATE AJAR SWITCH - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 Z1 20BK GROUND
2 G78 20TN/BK LIFTGATE AJAR SWITCH SENSE
LEFT LOW BEAM HEADLAMP - GRAY 2 WAY
CAV CIRCUIT FUNCTION
A Z1 18BK GROUND
B L43 18VT FUSED LEFT LOW BEAM OUTPUT
8W - 80 - 94 8W-80 CONNECTOR PIN-OUTWJ

LEFT MULTI-FUNCTION SWITCH - WHITE 11 WAY
CAV CIRCUIT FUNCTION
1 L27 20WT/TN FOG LAMP SWITCH SENSE
2 Z234 20BK GROUND
3- -
4 L80 20WT/DG HEADLAMP SWITCH RETURN
5 L309 20PK/LG HIGH BEAM RELAY CONTROL
6 L40 20BR HIGH BEAM SWITCH SENSE
7 L302 20LB/YL RIGHT TURN SWITCH SENSE
8 L305 20LB/WT LEFT TURN SWITCH SENSE
9 L91 20DB/PK HAZARD SWITCH SENSE
10 E19 20RD PANEL LAMPS DIMMER SIGNAL
11 G52 20YL HEADLAMP SWITCH MUX
LEFT REAR DOOR LOCK MOTOR/AJAR SWITCH - BLACK 4 WAY
CAV CIRCUIT FUNCTION
1 G77 18TN/YL LEFT REAR DOOR AJAR SWITCH SENSE
2 Z1 18BK GROUND
3 P36 18PK/VT DOOR UNLOCK DRIVER
4 P35 18OR/VT DOOR LOCK DRIVER
LEFT REAR DOOR SPEAKER - WHITE 3 WAY
CAV CIRCUIT FUNCTION
1 X51 18WT/VT (BASE) LEFT REAR DOOR SPEAKER (+)
1 X91 18WT/VT (PREMIUM) LEFT REAR DOOR SPEAKER (+)
2- -
3 X57 18TN/DG (BASE) LEFT REAR DOOR SPEAKER (-)
3 X93 18TN/DG (PREMIUM) LEFT REAR DOOR SPEAKER (-)
LEFT REAR LAMP ASSEMBLY - BLACK 6 WAY
CAV CIRCUIT FUNCTION
1 L1 18VT/BK BACK-UP LAMP FEED
2 L95 18DG/YL (BUILT-UP-EXPORT) REAR FOG LAMP RELAY OUTPUT
3 L7 18BK/YL PARK LAMP RELAY OUTPUT
4 L63 18DG/RD LEFT TURN SIGNAL
5 Z150 18BK GROUND
6 L50 18WT/TN PRIMARY BRAKE SWITCH SIGNAL
WJ8W-80 CONNECTOR PIN-OUT 8W - 80 - 95