| Connector 1: | Fuse Block - Underhood Label | 
| Connector 2: | Fuse Block - Underhood Top View | 
| Connector 3: | Fuse Block - Underhood Bottom View | 
| Connector 4: | Fuse Block - Underhood X1 | 
| Connector 5: | Fuse Block - Underhood X2 | 
| Connector 6: | Fuse Block - Underhood X3 | 
| Connector 7: | Fuse Block - Underhood X4 | 
| Connector 8: | Fuse Block - Underhood X5 | 
| Connector 9: | Fuse Block - Body Label | 
| Connector 10: | Fuse Block - Body Top View | 
| Connector 11: | Fuse Block - Body Bottom View | 
| Connector 12: | Fuse Block - Body X1 | 
| Connector 13: | Fuse Block - Body X2 | 
| Connector 14: | Fuse Block - Rear (PRP) - Top View | 
| Connector 15: | Fuse Block - Rear (PRP) Bottom View | 
No.  | Device  | Rating  | Description  | 
|---|---|---|---|
1  | LT HI BEAM Fuse  | 10A  | Headlamp - Left High Beam (Composite) or Headlamp - Left (Sealed)  | 
2  | FUEL PUMP Fuse  | 20A  | Fuel Pump and Sender Assembly (4.3L/4.8L/6.0L) or Fuel Pump (6.6L)  | 
3  | EMPTY  | --  | Not Used  | 
4  | FUEL HTR (D) Fuse  | 15A  | Fuel Heater (6.6L)  | 
5  | RT HI BEAM Fuse  | 10A  | Headlamp - Right High Beam (Composite) or Headlamp - Right (Sealed)  | 
6  | EMPTY  | --  | Not Used  | 
7  | LT LO BEAM Fuse  | 10A  | Headlamp - Left Low Beam (Composite) or Headlamp - Left (Sealed)  | 
8  | RT STP/TRN TRLR Fuse  | 15A  | Trailer Connector  | 
9  | RT LO BEAM Fuse  | 10A  | Headlamp - Right Low Beam (Composite) or Headlamp - Right (Sealed)  | 
10  | DRL 2 Fuse  | 10A  | LT LO BEAM fuse and Headlamp - Left (Sealed)  | 
11  | FCSM IGN (G) Fuse  | 10A  | Fuel Pump Flow Control Module (5.3L)  | 
12  | DRL 1 Fuse  | 15A  | LT LO BEAM fuse and Headlamp - Left Low Beam (Composite)  | 
13  | AUX STOP LAMP Fuse  | 15A  | X405 (Cutaway)  | 
14  | FOH MDL (D) Fuse  | 15A  | Coolant Heater (K08)  | 
15  | FCSM BATT (G) Fuse  | 20A  | Fuel Pump Flow Control Module (5.3L)  | 
16  | LT STP/TRN TRLR Fuse  | 15A  | Trailer Connector  | 
17  | CNSTR VENT SOL (G) Fuse  | 10A  | Evaporative Emission (EVAP) Canister Vent Solenoid Valve (4.3L/5.3L/4.8L/6.0L)  | 
18  | EMPTY  | --  | Not Used  | 
19  | EMPTY  | --  | Not Used  | 
20  | BCM 1 Fuse  | 10A  | Body Control Module  | 
21  | SEO Fuse  | 10A  | Instrument Panel Cluster (IPC) (8S8)  | 
22  | BCM 4 Fuse  | 15A  | Body Control Module  | 
23  | BCM 6 Fuse  | 15A  | Body Control Module  | 
24  | EMPTY  | --  | Not Used  | 
25  | BCM 7 Fuse  | 10A  | Body Control Module  | 
26  | BCM 3 Fuse  | 15A  | Body Control Module  | 
27  | BCM 5 Fuse  | 15A  | Body Control Module  | 
28  | EMPTY  | --  | Not Used  | 
29  | EMPTY  | --  | Not Used  | 
30  | IP CLSTR Fuse  | 10A  | Instrument Panel Cluster (IPC)  | 
31  | EMPTY  | --  | Not Used  | 
32  | BRK SW Fuse  | 10A  | Stop Lamp Switch  | 
33  | AUX PWR OUTLET Fuse  | 20A  | Accessory Power Outlet - Center Console 2  | 
34  | AIRBAG Fuse  | 10A  | Inflatable Restraint Sensing and Diagnostic Module (SDM), Inflatable Restraint I/P Module Disable Switch (C99) or Inflatable Restraint I/P Module Indicator (without C99)  | 
35  | TRLR WRG Fuse  | 30A  | Blunt Cut (UY7)  | 
36  | STR/WHL SNSR (G) Fuse  | 10A  | Steering Wheel Speed/Position Sensor (JL4)  | 
37  | BCM 2 Fuse  | 10A  | Body Control Module  | 
38  | LTR/DLC Fuse  | 20A  | Cigar Lighter (DT4) or Accessory Power Outlet - Center Console 1 (without DT4) and Data Link Connector (DLC)  | 
39  | WPR Fuse  | 25A  | WPR Relay  | 
40  | EMPTY  | --  | Not Used  | 
41  | WSW Fuse  | 15A  | Windshield Washer Fluid Pump  | 
42  | EMPTY  | --  | Not Used  | 
43  | HORN Fuse  | 20A  | Horn Assembly  | 
44  | TCM BATT Fuse  | 10A  | Transmission Control Module (TCM)  | 
45  | EMPTY  | --  | Not Used  | 
46  | O2 SNSR 1 (G) Fuse  | 10A  | HO2S Bank 1 Sensor 1 (4.3L/5.3L/4.8L/6.0L) and HO2S Bank 2 Sensor 1 (4.3L/5.3L/4.8L/6.0L)  | 
47  | TCM IGN Fuse  | 15A  | Transmission Control Module (TCM)  | 
48  | ECM IGN Fuse  | 15A  | Engine Control Module (ECM)  | 
49  | MAF/CNSTR VENT Fuse  | 15A  | Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor and Evaporative Emission (EVAP) Canister Purge Solenoid Valve (4.3L/5.3L/4.8L/6.0L)  | 
50  | ECM PWR/TRN Fuse  | 10A  | Engine Control Module (ECM)  | 
51  | TRANS Fuse  | 15A  | Automatic Transmission  | 
52  | EVEN IGN/INJ (G) Fuse  | 20A  | Even Ignition Coils (4.8L/5.3L/6.0L) and Even Fuel Injector (4.8L/5.3L/6.0L)  | 
53  | GLOW PLUG MDL (D) Fuse  | 10A  | Glow Plug Control Module (GPCM) (6.6L)  | 
54  | ECM BATT (G) Fuse  | 10A  | Engine Control Module (ECM)  | 
55  | ODD IGN/INJ (G) Fuse  | 20A  | Odd Ignition Coils (4.8L/5.3L/6.0L), Ignition Control Module (4.3L) and Odd Fuel Injectors (4.8L/5.3L/6.0L)  | 
56  | O2 SNSR 2 (G) Fuse  | 10A  | HO2S Bank 1 Sensor 2 (4.3L/5.3L/4.8L/6.0L) and HO2S Bank 2 Sensor 2 (4.3L/5.3L/4.8L/6.0L)  | 
57  | A/C CMPRSR Fuse  | 15A  | A/C Compressor Clutch (C60)  | 
58  | FAN CLTCH (D) Fuse  | 10A  | FAN CLTCH Relay (D) (6.6L)  | 
59  | V6 FUEL INJ (G) Fuse  | 15A  | Fuel Injectors (4.3L)  | 
60  | ABS MDL Fuse  | 40A  | Electronic Brake Control Module (EBCM)  | 
61  | ABS MTR Fuse  | 50A  | Electronic Brake Control Module (EBCM)  | 
62  | TRLR WRG Fuse  | 30A  | Trailer Connector  | 
63  | SPARE Fuse  | --  | Not Used  | 
64  | STRTR SOL Fuse  | 40A  | Starter Motor  | 
65  | ECM PWR/TRN (D) Fuse  | 30A  | Engine Control Module (ECM) (6.6L)  | 
66  | FRT BLWR Fuse  | 40A  | Blower Motor Resistor  | 
67  | SPARE Fuse  | --  | Not Used  | 
68  | SPARE Relay  | --  | Not Used  | 
69  | RUN/CRNK Relay  | --  | FCSM IGN (5.3L), IP CLSTR, TRANS, BRK SW, TCM IGN, ECM IGN, AIR BAG, STR/WHL SNSR (G), STRTR SOL Fuses  | 
70  | WPR - HI Relay  | --  | Windshield Wiper Motor  | 
71  | WPR Relay  | --  | WPR - HI Relay and Windshield Wiper Motor  | 
72  | FUEL PUMP Relay  | --  | FUEL PUMP Fuse  | 
73  | CRNK Relay  | --  | STRTR SOL Fuse  | 
74  | A/C CMPRSR Relay  | --  | A/C CMPRSR Fuse  | 
75  | FAN CLTCH (D) Relay  | --  | Engine Cooling Fan (6.6L) and Engine Control Module (ECM) (6.6L)  | 
76  | PWR/TRN Relay  | --  | GLOW PLUG MDL (D), FUEL HTR (D), O2 SNSR 1 (G), O2 SNSR 2 (G), ECM PWR/TRN, MAF/CNSTR VENT, V6 FUEL INJ (G), EVEN IGN/INJ (G), ODD IGN/INJ (G), ECM PWR/TRN (D) and FAN CLTCH (D) Fuses  | 
77  | MEGA Fuse  | 125A  | Fuse Block - Body  | 
| 
 Important: Relays listed below are non-serviceable Printed Circuit Board (PCB) relays and are internal to the block.  | |||
--  | HIGH BEAM PCB Relay  | --  | LT HIGH BEAM and RT HIGH BEAM Fuses  | 
--  | LOW BEAM PCB Relay  | --  | LT LO BEAM and RT LO BEAM Fuses  | 
--  | DRL PCB Relay  | --  | DRL 1 and DRL 2 Fuses  | 
--  | TRAILER LH STOP/TURN PCB Relay  | --  | LT STP/TRN TRLR Fuse  | 
--  | TRAILER RH STOP/TURN PCB Relay  | --  | RT STP/TRN TRLR Fuse  | 
--  | WASHER PCB Relay  | --  | WSW Fuse  | 
--  | HORN PCB Relay  | --  | HORN Fuse  | 
--  | STOP LAMPS PCB Relay  | --  | AUX STOP LAMP Fuse  | 
Connector Part Information
  | 
Terminal Part Information
 
 
 
  | 
Pin  | Wire  | Circuit  | Function  | 
|---|---|---|---|
1  | 5 PK  | 1439  | Ignition Voltage (6.6L)  | 
2  | --  | --  | Not Used  | 
3  | 5 RD/BK  | 542  | Battery Positive Voltage  | 
4  | --  | --  | Not Used  | 
5  | 0.5 PK  | 1839  | Ignition Voltage (4.3L)  | 
6  | 0.8 PK  | 1539  | Ignition Voltage (4.3L/4.8L/5.3L/6.0L)  | 
0.8 PK  | 1539  | Ignition Voltage (4.8L/5.3L/6.0L)  | |
7  | 0.5 PK  | 439  | Ignition Voltage (6.6L)  | 
8  | 0.5 PK  | 1339  | Ignition Voltage  | 
9  | 0.8 PK  | 539  | Ignition Voltage (4.3L/4.8L/5.3L/6.0L)  | 
0.8 PK  | 539  | Ignition Voltage (4.8L/5.3L/6.0L)  | |
10-15  | --  | --  | Not Used  | 
16  | 0.5 YE  | 5991  | Powertrain Relay Control  | 
17-21  | --  | --  | Not Used  | 
22  | 0.5 WH/BK  | 2366  | Cooling Fan Clutch Control (6.6L)  | 
23  | --  | --  | Not Used  | 
24  | 1 PK  | 1039  | Ignition Voltage (4.8L/5.3L/6.0L)  | 
0.8 PK  | 1039  | Ignition Voltage (4.3L)  | |
25  | 1 PK  | 1239  | Ignition Voltage (4.8L/5.3L/6.0L)  | 
26  | 0.5 PK  | 1939  | Ignition Voltage  | 
27  | --  | --  | Not Used  | 
28  | 0.5 WH  | 2368  | Cooling Fan Clutch Control (6.6L)  | 
29  | 0.8 PK  | 1039  | Ignition Voltage (4.8L/5.3L/6.0L)  | 
0.8 PK  | 1039  | Ignition Voltage (4.8L/5.3L/6.0L)  | |
30  | 0.8 PK  | 1239  | Ignition Voltage (4.8L/5.3L/6.0L)  | 
0.8 PK  | 1239  | Ignition Voltage (4.8L/5.3L/6.0L)  | |
31-32  | --  | --  | Not Used  | 
33  | 0.8 PK  | 1039  | Ignition Voltage (4.8L/5.3L/6.0L)  | 
0.8 PK  | 1039  | Ignition Voltage (4.8L/5.3L/6.0L)  | |
34  | 0.8 PK  | 1239  | Ignition Voltage (4.8L/5.3L/6.0L)  | 
0.8 PK  | 1239  | Ignition Voltage (4.8L/5.3L/6.0L)  | |
35  | 0.5 PK  | 1939  | Ignition Voltage (4.3L/5.3L/4.8L/6.0L)  | 
36-39  | --  | --  | Not Used  | 
40  | 0.5 PK  | 439  | Ignition Voltage  | 
41  | --  | --  | Not Used  | 
42  | 0.35 D-GN/WH  | 459  | A/C Compressor Clutch Relay Control (Gas with C60)  | 
0.5 D-GN/WH  | 459  | A/C Compressor Clutch Relay Control (Diesel with C60)  | |
43  | 0.5 D-GN  | 59  | A/C Compressor Clutch Supply Voltage (C60)  | 
44  | 0.5 RD/WH  | 440  | Battery Positive Voltage (4.3L/5.3L/4.8L/6.0L)  | 
1 RD/WH  | 440  | Battery Positive Voltage (6.6L)  | |
45-46  | --  | --  | Not Used  | 
47  | 0.35 RD/WH  | 1840  | Battery Positive Voltage  | 
48  | --  | --  | Not Used  | 
49  | 1 BK  | 1250  | Ground  | 
50-52  | --  | --  | Not Used  | 
53  | 0.8 D-GN  | 29  | Horn Control  | 
54  | --  | --  | Not Used  | 
55  | 0.35 YE/BK  | 625  | Starter Enable Relay Control (4.3L/5.3L/4.8L/6.0L)  | 
0.5 YE/BK  | 625  | Starter Enable Relay Control (6.6L)  | |
56  | 0.35 D-GN/WH  | 465  | Fuel Pump Relay Control - Primary (4.8L/5.3L/6.0L)  | 
0.5 D-GN/WH  | 465  | Fuel Pump Relay Control - Primary (6.6L)  | |
57  | 0.8 PK  | 3039  | Ignition Voltage  | 
58  | 0.5 PK  | 2139  | Ignition Voltage  | 
59-61  | --  | --  | Not Used  | 
62  | 5 PU  | 6  | Starter Solenoid Crank Voltage  | 
Connector Part Information
  | 
Terminal Part Information
 
 
 
  | 
Pin  | Wire  | Circuit  | Function  | 
|---|---|---|---|
1  | 3 RD/BK  | 742  | Battery Positive Voltage (UY7)  | 
2  | 5 RD/BK  | 442  | Battery Positive Voltage  | 
3  | 3 RD/WH  | 1640  | Battery Positive Voltage  | 
4  | --  | --  | Not Used  | 
5  | 0.8 D-BU/WH  | 149  | Courtesy Lamp Control (Cutaway)  | 
6  | --  | --  | Not Used  | 
7  | 1 L-GN  | 1624  | Trailer Backup Lamps Control (8S3/Cutaway/UY7)  | 
8-9  | --  | --  | Not Used  | 
10  | 1 YE  | 1618  | Trailer Left Rear Turn/Stop Lamp Control (UY7)  | 
11  | 1 YE  | 618  | Left Rear Turn Signal Lamp Control (Cutaway)  | 
12  | 1 D-GN  | 619  | Right Rear Turn Signal Lamp Control (Cutaway)  | 
13  | 0.8 PK  | 2239  | Ignition Voltage (6.6L)  | 
14  | 3 D-BU  | 47  | Trailer Auxiliary Control (UY7)  | 
15  | 1 BN  | 2109  | Trailer Park Lamps Control (UY7)  | 
16  | 0.5 PK  | 2739  | Ignition Voltage (5.3L)  | 
17  | --  | --  | Not Used  | 
18  | 1 BN  | 2109  | Trailer Park Lamps Control (Cutaway)  | 
19-20  | --  | --  | Not Used  | 
21  | 0.5 RD/WH  | 40  | Battery Positive Voltage (4.3L/5.3L/4.8L/6.0L)  | 
22  | --  | --  | Not Used  | 
23  | 0.8 GY  | 120  | Fuel Pump Control (6.6L)  | 
2 GY  | 120  | Fuel Pump Control (4.3L/4.8L/6.0L)  | |
24  | 2 RD/WH  | 1940  | Battery Positive Voltage (5.3L)  | 
25  | 2 RD/WH  | 1740  | Battery Positive Voltage (6.6L with K08)  | 
26  | 1 L-BU  | 1320  | CHMSL Control/Stop Lamp Control (Cutaway)  | 
27  | --  | --  | Not Used  | 
28  | 1 D-GN  | 1619  | Trailer Right Rear Turn/Stop Lamp Control (UY7)  | 
29  | --  | --  | Not Used  | 
Connector Part Information
  | 
Terminal Part Information
 
 
  | 
Pin  | Wire  | Circuit  | Function  | 
|---|---|---|---|
1-5  | --  | --  | Not Used  | 
6  | 3 RD/WH  | 3940  | Battery Positive Voltage (UY7)  | 
7  | 0.8 RD/WH  | 1040  | Battery Positive Voltage  | 
8  | 0.8 D-BU/WH  | 149  | Courtesy Lamp Control (Cutaway)  | 
9  | 0.8 RD/WH  | 2940  | Battery Positive Voltage  | 
10  | --  | --  | Not Used  | 
11  | 0.8 RD/WH  | 640  | Battery Positive Voltage  | 
12  | 0.35 OG  | 5186  | Left Trailer Turn Signal Lamp (UY7)  | 
13  | 1 L-GN  | 1624  | Trailer Backup Lamps Control (Cutaway/UF7/8S8)  | 
14  | 1 YE  | 618  | Left Rear Turn Signal Lamp Control (Cutaway)  | 
15  | 0.8 RD/WH  | 2740  | Battery Positive Voltage  | 
16  | --  | --  | Not Used  | 
17  | 0.8 RD/WH  | 640  | Battery Positive Voltage  | 
18  | 3 D-BU  | 47  | Trailer Auxiliary Control (UY7)  | 
19  | 0.35 RD/WH  | 2840  | Battery Positive Voltage (8S8)  | 
20  | 0.8 RD/WH  | 2240  | Battery Positive Voltage  | 
21  | 0.8 RD/WH  | 3040  | Battery Positive Voltage  | 
22  | 0.35 GY  | 91  | Windshield Wiper Switch Signal 2  | 
23  | --  | --  | Not Used  | 
24  | 1 BN  | 2109  | Trailer Park Lamps Control (UY7)  | 
25  | 0.8 D-BU/WH  | 1315  | Right Front Turn Signal Lamp Control  | 
26  | 1 BN  | 2109  | Trailer Park Lamps Control (Cutaway)  | 
27  | 0.5 RD/WH  | 2540  | Battery Positive Voltage  | 
28  | 2 PU  | 92  | Windshield Wiper Motor High Speed  | 
29  | --  | --  | Not Used  | 
30  | 0.5 WH  | 5065  | Stop Lamps Control  | 
31  | 1 D-GN  | 619  | Right Rear Turn Signal Lamp Control (Cutaway)  | 
32  | 2 D-GN  | 95  | Windshield Washer Switch Signal  | 
33  | 0.35 OG  | 2268  | Windshield Washer Relay Control  | 
34  | 0.8 L-BU/WH  | 1314  | Left Front Turn Signal Lamp Control  | 
35  | --  | --  | Not Used  | 
36  | 0.35 TN  | 860  | Front Windshield Wiper Switch High Signal  | 
37  | --  | --  | Not Used  | 
38  | 0.5 OG  | 228  | Windshield Washer Pump Control  | 
39  | 0.35 PK/WH  | 1970  | Headlamp Low Beam Relay Control  | 
40  | 0.35 PU  | 544  | Headlamp Low Beam Control  | 
41-42  | --  | --  | Not Used  | 
43  | 0.8 RD/WH  | 2140  | Battery Positive Voltage  | 
44  | 0.35 TN/WH  | 1969  | Headlamp High Beam Relay Control  | 
45  | 0.35 PK  | 239  | Ignition Voltage  | 
46  | 0.35 YE  | 5187  | Right Trailer Turn Signal Lamp (UY7)  | 
47  | 0.5 RD/WH  | 3840  | Battery Positive Voltage  | 
0.5 RD/WH  | 2840  | Battery Positive Voltage (4.3L/5.3L)  | |
48  | --  | --  | Not Used  | 
49  | 0.35 TN  | 28  | Horn Relay Control  | 
0.35 TN  | 28  | Horn Relay Control  | |
50  | 0.35 PK  | 1139  | Ignition Voltage  | 
51  | --  | --  | Not Used  | 
52  | 0.8 BN  | 2309  | Front Park Lamps Control  | 
53  | --  | --  | Not Used  | 
54  | 0.35 YE  | 5199  | Run/Crank Relay Coil Control  | 
55  | 0.5 PK  | 2239  | Ignition Voltage (JL4)  | 
56  | 0.35 PK  | 1139  | Ignition Voltage  | 
57  | --  | --  | Not Used  | 
58  | 0.35 PK  | 1639  | Ignition Voltage  | 
59-62  | --  | --  | Not Used  | 
Connector Part Information
  | 
Terminal Part Information
  | 
Pin  | Wire  | Circuit  | Function  | 
|---|---|---|---|
A-B  | --  | --  | Not Used  | 
C  | 0.35 TN/WH  | 312  | Right Headlamp Low Beam Control (without V22)  | 
0.5 TN/WH  | 312  | Right Headlamp Low Beam Control (V22)  | |
D  | 0.5 BN  | 2309  | Front Park Lamps Control  | 
E  | --  | --  | Not Used  | 
F  | 0.35 YE  | 712  | Left Headlamp Low Beam Control (without V22 without T79)  | 
G-J  | --  | --  | Not Used  | 
K  | 0.8 L-GN/BK  | 311  | Right Headlamp High Beam Control  | 
L  | 0.5 D-GN/WH  | 711  | Left Headlamp High Beam Control  | 
M  | 0.5 YE  | 712  | Left Headlamp Low Beam Control (V22)  | 
0.5 YE  | 712  | Left Headlamp Low Beam Control (V22)  | |
0.35 YE  | 712  | Left Headlamp Low Beam Control (without V22)  | |
0.35 YE  | 712  | Left Headlamp Low Beam Control (without V22)  | |
N  | 0.5 BN  | 2309  | Front Park Lamps Control  | 
P  | 0.8 L-BU/WH  | 1314  | Left Front Turn Signal Lamp Control  | 
R  | 0.5 YE  | 712  | Left Headlamp Low Beam Control (V22 without T79)  | 
S  | 0.8 D-BU/WH  | 1315  | Right Front Turn Signal Lamp Control  | 
Terminal Part Information
  | 
Pin  | Wire  | Circuit  | Function  | 
|---|---|---|---|
S  | 19 RD  | 1  | Battery Positive Voltage  | 
No.  | Device  | Rating  | Description  | 
|---|---|---|---|
1  | HVAC 2 Fuse  | 10A  | Air Temperature Actuator, HVAC Control Assembly (C49/DE5/DE7), HVAC Control Module - Auxiliary, HVAC Control Assembly-Rear Auxiliary (C69 with Rear Auxiliary Controls), Blower Motor Low Speed Relay - Auxiliary (C36/C69), Blower Motor Medium Speed Relay - Auxiliary (C36/C69), Blower Motor High Speed Relay - Auxiliary (C36/C69), Mode Actuator - Auxiliary (C69) and Air Temperature Actuator - Auxiliary (C69)  | 
2  | CMPS Fuse  | 10A  | Electronic Compass Module (U80)  | 
3  | IGN SW/PK3 MDL Fuse  | 2A  | Ignition Switch and Theft Deterrent Module (TDM)  | 
4  | UPFTR CTSY LMPS Fuse  | 15A  | Body Control Module (without YF7), X405 (Cutaway), Dome/Reading Lamp - Middle (Passenger), Dome Lamp (Cargo), Dome/Reading Lamp - Rear (Passenger), X320 (YF7) and Dome/Reading Lamp Front  | 
5  | HVAC 1 Fuse  | 20A  | HVAC Control Assembly and Vacuum Pump (6.6L)  | 
6  | EMPTY  | --  | Not Used  | 
7  | IP CLSTR Fuse  | 10A  | Instrument Panel Cluster (IPC)  | 
8  | RDO/CHIME Fuse  | 15A  | Radio, Chime Module  | 
9  | AUX PRK LAMP Fuse  | 15A  | X405 (Cutaway)  | 
10  | AUX/TRLR BCK/UP Fuse  | 10A  | Backup Alarm (8S3), Trailer Connector (UY7) and X405 (Cutaway)  | 
11  | RFA/TPM Fuse  | 10A  | Remote Control Door Lock Receiver (RCDLR) (AUO)  | 
12  | HVAC CNTRL Fuse  | 10A  | HVAC Control Assembly (DE5/DE7/C49)  | 
13  | TRLR PRK LAMP Fuse  | 15A  | Trailer Connector (UY7)  | 
14  | FRT PRK LAMP Fuse  | 10A  | Park/Turn Signal Lamp - LF, Marker Lamp - LF, Park/Turn Signal Lamp - RF, Marker Lamp - RF and Inflatable Restraint I/P Module Disable Switch (C99)  | 
15  | T/LAMP BCK/UP Fuse  | 10A  | Backup Lamp - Right (Passenger/Cargo) and Backup Lamp - Left (Passenger/Cargo)  | 
16  | EMPTY  | --  | Not Used  | 
17  | STR WHL SNSR Fuse  | 2A  | Inflatable Restraint Steering Wheel Module Coil (K34/W1Y)  | 
18  | OSRVM SW Fuse  | 2A  | Outside Rearview Mirror Switch (DE5/DE7)  | 
19  | EMPTY  | --  | Not Used  | 
20  | EMPTY  | --  | Not Used  | 
21  | REAR DEFOG Fuse  | 30A  | Rear Window Defogger Grid - Left (C49) and Rear Window Defogger Grid - Right (C49)  | 
22  | OSRVW HTR Fuse  | 20A  | Outside Rearview Mirror - Driver (DE5/DE7) and Outside Rearview Mirror - Passenger (DE5/DE7)  | 
23  | EMPTY  | --  | Not Used  | 
24  | EMPTY  | --  | Not Used  | 
25  | CARGO DR UNLCK Fuse  | 15A  | Door Latch - Cargo (Passenger/Cargo with AU3)  | 
26  | REAR DR LCK Fuse  | 15A  | Door Contact Plate Left Side (E26), Door Contact Plate - Right Side (E24/YA2) and Door Latch - Cargo (Passenger/Cargo)  | 
27  | FRT DR LCK Fuse  | 15A  | Door Latch - Driver (AU3) and Door Latch - Passenger (AU3)  | 
28  | REAR PASS DR UNLCK Fuse  | 15A  | Door Contact Plate - Left (E26/AU3), Door Contact Plate - Right (Passenger/Cargo with AU3) and Fuse Block - Body  | 
29  | UPFTR PARK LAMPS Fuse  | 10A  | X320 (YF2/YF7)  | 
30  | FRT PASS DR UNLCK Fuse  | 15A  | Door Latch - Passenger (AU3)  | 
31  | DRV DR UNLCK Fuse  | 15A  | Door Latch - Driver (AU3)  | 
32  | AIRBAG/AOS Fuse  | 10A  | Inflatable Restraint Sensing and Diagnostic Module(SDM), Inflatable Restraint Vehicle Rollover Sensor (ASF) and Inflatable Restraint Front Passenger Presence System (PPS) Sensor (Light Duty without YF7)  | 
33  | RT REAR PRK LAMP Fuse  | 10A  | Tail/Stop and Turn Signal Lamp - Right (Passenger/Cargo)  | 
34  | LT REAR PRK LAMP Fuse  | 10A  | Tail/Stop and Turn Signal Lamp - Left (Passenger/Cargo) and License Lamp (Passenger/Cargo)  | 
35  | UPFTR AUX 2 Fuse  | 50A  | Blunt Cut (YF1), X321 (YF2/YF7) and X222 (YF2/YF7)  | 
36  | UPFTR AUX 1 Fuse  | 50A  | Blunt Cut (YF1), X321 (YF2/YF7) and X222 (YF2/YF7)  | 
37  | REAR BLWR Fuse  | 30A  | Blower Motor Low Speed Relay - Auxiliary (C36/C69), Blower Motor Medium Speed Relay - Auxiliary (C36/C69) and Blower Motor High Speed Relay - Auxiliary (C36/C69)  | 
38  | EMPTY  | --  | Not Used  | 
39  | RUN Relay  | --  | HVAC 1, HVAC 2, CMPS Fuses and UPFTR AUX 2 Relay  | 
40  | PRK LAMP Relay  | --  | LT REAR PRK LAMP, RT REAR PRK LAMP, FRT PRK LAMP, TRLR PRK LAMP, AUX PRK LAMP and UPFTR PARK LMPS Fuses  | 
41  | EMPTY  | --  | Not Used  | 
42  | UPFTR AUX 2 Relay  | --  | UPFTR AUX 2 Fuse  | 
43  | RAP Relay  | --  | PWR WDO Circuit Breaker  | 
44  | REAR DEFOG Relay  | --  | REAR DEFOG and OSRVM HTR Fuses  | 
45  | PWR WDO Circuit Breaker  | 25A  | Window Switch - Driver (A31) and Window Switch - Passenger (A31)  | 
46  | PWR SEATS Circuit Breaker  | 30A  | Seat Adjuster Switch - Driver (AG1) and Seat Adjuster Switch - Passenger (AG1)  | 
| 
 Important: Relays listed below are non-serviceable Printed Circuit Board (PCB) relays and are internal to the block.  | |||
--  | UPFTR CTSY LAMPS PCB Relay  | --  | UPFTR CTSY LMPS Fuses  | 
--  | DRV UNLCK PCB Relay  | --  | DRV DR UNLCK Fuse  | 
--  | PASS/CGO UNLCK PCB Relay  | --  | FRT PASS DR UNLCK and REAR PASS DR UNLCK Fuses  | 
--  | CARGO UNLCK PCB Relay  | --  | CARGO DR UNLCK Fuse  | 
--  | ALL DRS LOCK PCB Relay  | --  | FRT DR LCK and REAR DR LCK Fuses  | 
--  | BCK/UP LAMP PCB Relay  | --  | AUX/TRLR BCK/UP and T/LAMP BCK UP Fuses  | 
Connector Part Information
  | 
Terminal Part Information
 
 
 
  | 
Pin  | Wire  | Circuit  | Function  | 
|---|---|---|---|
1-3  | --  | --  | Not Used  | 
4  | 0.35 WH  | 193  | Rear Defog Relay Control (C49/DE5/DE7)  | 
5  | 0.5 L-BU  | 244  | Passenger Door Lock Switch Lock Control (AU3)  | 
6  | 0.35 D-BU  | 45  | Park Lamp Control  | 
7  | 1 BN  | 2109  | Trailer Park Lamps Control (UY7)  | 
8  | 0.5 RD/WH  | 5340  | Battery Positive Voltage (AU0/UJ6)  | 
9  | 1 BN  | 2109  | Trailer Park Lamps Control (Cutaway)  | 
10  | --  | --  | Not Used  | 
11  | 0.5 YE  | 356  | Driver Door Lock Relay Unlock Control (AU3)  | 
0.5 YE  | 356  | Driver Door Lock Relay Unlock Control (AU3 with PRP)  | |
12  | 0.5 BN  | 2309  | Front Park Lamps Control  | 
0.8 BN  | 2309  | Front Park Lamps Control (C99)  | |
13  | 0.8 D-BU/WH  | 149  | Courtesy Lamp Control (Cutaway)  | 
0.8 D-BU/WH  | 149  | Courtesy Lamp Control (without YF2/YF7)  | |
14  | 0.35 RD/WH  | 540  | Battery Positive Voltage  | 
15  | 1 RD/WH  | 340  | Battery Positive Voltage  | 
16  | 1 YE  | 618  | Left Rear Turn Signal Lamp Control (Passenger/Cargo)  | 
17  | --  | --  | Not Used  | 
18  | 0.5 L-BU  | 244  | Passenger Door Lock Switch Lock Control (AU3)  | 
19  | 0.5 YE  | 356  | Driver Door Lock Relay Unlock Control (AU3)  | 
20  | 0.5 GY/BK  | 690  | Courtesy Lamp Control (YF2/YF7)  | 
21  | --  | --  | Not Used  | 
22  | 0.5 BK  | 350  | Ground  | 
23  | 0.8 D-BU/WH  | 1315  | Right Front Turn Signal Lamp Control (DE5/DE7)  | 
24  | 0.35 BK/WH  | 351  | Ground  | 
25  | --  | --  | Not Used  | 
26  | 0.8 RD/WH  | 4440  | Battery Positive Voltage (C49/DE5/DE7)  | 
27  | --  | --  | Not Used  | 
28  | 0.35 YE  | 43  | Ignition Voltage  | 
29  | 1 D-GN  | 619  | Right Rear Turn Signal Lamp Control (Passenger/Cargo)  | 
30  | 0.35 BN  | 341  | Ignition Voltage  | 
31  | 0.35 RD/WH  | 2840  | Battery Positive Voltage (without 8S8)  | 
32  | 0.8 L-BU/WH  | 1314  | Left Front Turn Signal Lamp Control (DE5/DE7)  | 
33  | 0.35 BN/WH  | 230  | Instrument Panel Lamps Dimming Control  | 
34  | 0.35 BN  | 341  | Ignition Voltage  | 
35-45  | --  | --  | Not Used  | 
46  | 1 BN  | 141  | Ignition Voltage  | 
47  | 0.8 BN  | 141  | Ignition Voltage (6.6L)  | 
48  | --  | --  | Not Used  | 
49  | 0.35 YE  | 6817  | LED Backlight Dimming Control (K34/W1Y)  | 
50-51  | --  | --  | Not Used  | 
52  | 1 L-GN  | 1624  | Trailer Backup Lamps Control (Cutaway/UY7/8S3)  | 
53-54  | --  | --  | Not Used  | 
55  | 0.35 BN  | 6136  | Supply Voltage (K34/W1Y)  | 
56  | --  | --  | Not Used  | 
57  | 0.35 D-BU  | 38  | Backup Lamp Relay Control  | 
58  | --  | --  | Not Used  | 
59  | 0.35 OG  | 300  | Ignition Voltage  | 
60  | 5 BN  | 541  | Ignition Voltage (YF2/YF7)  | 
61  | 5 RD/BK  | 1042  | Battery Positive Voltage (YF7)  | 
62  | --  | --  | Not Used  | 
Connector Part Information
  | 
Terminal Part Information
 
 
 
  | 
Pin  | Wire  | Circuit  | Function  | 
|---|---|---|---|
1  | --  | --  | Not Used  | 
2  | 5 PU  | 293  | Rear Defog Element Control (C49)  | 
3  | 5 PU  | 293  | Rear Defog Element Control (C49)  | 
4  | 0.5 BN  | 2609  | Right Rear Park Lamps Control (Passenger/Cargo)  | 
5  | 3 RD/WH  | 3540  | Battery Positive Voltage (AG1)  | 
6  | 0.5 BN  | 2209  | Rear Park Lamps Control (YF2/YF7)  | 
7  | 0.8 D-BU/WH  | 149  | Courtesy Lamp Control (Passenger)  | 
0.8 D-BU/WH  | 149  | Courtesy Lamp Control (Passenger/Cargo without YF2/YF7)  | |
8  | 1 TN  | 294  | Door Lock Actuator Unlock Control (Passenger/Cargo with AU3)  | 
9  | --  | --  | Not Used  | 
10  | 0.5 RD/WH  | 3440  | Battery Positive Voltage  | 
11  | 3 RD/WH  | 3540  | Battery Positive Voltage (AG2)  | 
12  | 3 D-GN  | 1001  | RAP 12-Volt Fuse Control (A31)  | 
13  | 3 D-GN  | 1001  | RAP 12-Volt Fuse Control (A31)  | 
14  | 0.8 OG  | 2267  | Mirror Heating Element Control (DE5/DE7)  | 
15  | 0.8 OG  | 2267  | Mirror Heating Element Control (DE5/DE7)  | 
16  | 0.5 RD/WH  | 3440  | Battery Positive Voltage (ASF)  | 
17  | --  | --  | Not Used  | 
18  | 0.5 D-BU/WH  | 149  | Courtesy Lamp Control  | 
19-21  | --  | --  | Not Used  | 
22  | 0.5 RD/WH  | 3440  | Battery Positive Voltage (Light Duty without C99 without YF7)  | 
23  | --  | --  | Not Used  | 
24  | 1 YE  | 618  | Left Rear Turn Signal Lamp Control (Passenger/Cargo)  | 
25  | 0.35 BN  | 441  | Ignition Voltage  | 
26  | 0.35 BN  | 341  | Ignition Voltage (C69/C36/ENC)  | 
27  | 0.5 D-BU/WH  | 1315  | Right Front Turn Signal Lamp Control (DE5/DE7)  | 
28  | --  | --  | Not Used  | 
29  | 0.5 BN  | 2509  | Left Rear Park Lamps Control (Passenger/Cargo)  | 
30  | 0.35 BN  | 341  | Ignition Voltage (C49/DE5/DE7/C60)  | 
31  | 1 D-GN  | 619  | Right Rear Turn Signal Lamp Control (Passenger/Cargo)  | 
32  | 0.8 TN  | 294  | Door Lock Actuator Unlock Control (AU3 with E24/YA2)  | 
0.8 TN  | 294  | Door Lock Actuator Unlock Control (AU3 with E26)  | |
33  | 0.8 TN  | 694  | Driver Door Lock Actuator Unlock Control (AU3)  | 
34  | 0.35 BK/WH  | 351  | Ground  | 
35-40  | --  | --  | Not Used  | 
41  | 0.5 L-BU/WH  | 1314  | Left Front Turn Signal Lamp Control (DE5/DE7)  | 
42  | 1 GY  | 295  | Door Lock Actuator Lock Control (AU3)  | 
1 GY  | 295  | Door Lock Actuator Lock Control (AU3)  | |
43  | 1 GY  | 295  | Door Lock Actuator Lock Control (AU3 with E26)  | 
1 GY  | 295  | Door Lock Actuator Lock Control (AU3 with E26/YA2)  | |
44  | 1 TN/BK  | 1095  | Right Rear Door Lock Actuator Unlock Control (Passenger/Cargo with AU3)  | 
45-46  | --  | --  | Not Used  | 
47  | 0.5 RD/WH  | 4340  | Battery Positive Voltage (DE5/DE7)  | 
48  | 0.8 TN  | 294  | Door Lock Actuator Unlock Control (AU3)  | 
49  | 1 GY  | 295  | Door Lock Actuator Lock Control (Passenger/Cargo with AU3)  | 
50  | 1 TN  | 294  | Door Lock Actuator Unlock Control (Passenger/Cargo with AU3)  | 
51  | 0.35 BN  | 341  | Ignition Voltage (C69)  | 
52  | 0.35 BN/WH  | 230  | Instrument Panel Lamps Dimming Control  | 
53  | 0.8 L-GN  | 24  | Backup Lamp Control (Passenger/Cargo)  | 
0.8 L-GN  | 24  | Backup Lamp Control (Passenger/Cargo)  | |
54-59  | --  | --  | Not Used  | 
60  | 5 RD/WH  | 1740  | Battery Positive Voltage (C69/C36/ENC)  | 
61  | 5 RD/BK  | 1042  | Battery Positive Voltage (YF1/YF2/YF7)  | 
62  | 5 BN  | 541  | Ignition Voltage (YF1/YF2/YF7)  | 
No.  | Device  | Rating  | Description  | 
|---|---|---|---|
1  | Access Panel Relay - Left Side Rear  | --  | Access Panel Latches - Left Side Rear  | 
2  | Dome Fluorescent Work Lamps Fuse  | 10  | Dome Fluorescent Work Lamps (UF2)  | 
3  | Panel Actuator Fuse  | 15  | Access Panel Relays  | 
4  | --  | --  | Not Used  | 
5  | Access Panel Relay - Left Side Front  | --  | Access Panel Latches - Left Side Front  | 
6  | Access Panel Relay - Right Side  | --  | Access Panel Latches - Right Side  | 
Connector Part Information
  | 
Terminal Part Information
  | 
Pin  | Wire  | Circuit  | Function  | 
|---|---|---|---|
1  | OG  | 740  | Battery Positive Voltage  | 
2  | TN  | 294  | Access Panel Left Front Side Lock Actuators Unlock Control  | 
3  | L-BU  | 195  | Access Panel Left Side Front Relay Control  | 
4  | --  | --  | Not Used  | 
5  | OG  | 740  | Battery Positive Voltage  | 
6  | OG  | 740  | Battery Positive Voltage  | 
7  | PK  | 1092  | Access Panel Left Rear Side Lock Actuators Unlock Control  | 
8  | L-GN  | 1391  | Access Panel Left Side Rear Relay Control  | 
9  | --  | --  | Not Used  | 
10  | OG  | 740  | Battery Positive Voltage  | 
11  | OG  | 740  | Battery Positive Voltage  | 
12  | TN/BK  | 1095  | Access Panel Right Side Lock Actuators Unlock Control  | 
13  | L-BU  | 1344  | Access Panel Right Side Relay Control  | 
14  | --  | --  | Not Used  | 
15  | OG  | 740  | Battery Positive Voltage  | 
16  | RD  | 1042  | Battery Positive Voltage (UF2)  | 
17  | OG  | 840  | Battery Positive Voltage (UF2)  | 
18  | RD  | 1042  | Battery Positive Voltage  | 
19  | OG  | 740  | Battery Positive Voltage  | 
20-21  | --  | --  | Not Used  |