For 1990-2009 cars

Connector 1: | Fuse Block - Underhood - Top View
Connector 2: | Fuse Block - Underhood - Bottom View
Connector 3: | Fuse Block Underhood X1
Connector 4: | Fuse Block Underhood X2
Connector 5: | Fuse Block-Underhood X3
Connector 6: | Fuse Block - Auxiliary - Top View
Connector 7: | Fuse Block - Auxiliary
Connector 8: | Fuse Block - Rear - Top View
Connector 9: | Fuse Block - Rear - X1
Connector 10: | Fuse Block - Rear - X2
Connector 11: | Fuse Block - Rear X3
Connector 12: | Fuse Block - Rear X4
Connector 13: | Fuse Block - Rear X5
Connector 14: | Fuse Block - Rear -X6

### Fuse Block - Underhood - Top View

#### Fuse Block - Underhood - Top View Usage

No. | Fuse | Rating | Description
--- | --- | --- | ---
1 | F1 | 20A | Electronic Brake Control Module (EBCM)
2 | F2 | 30A | Electronic Brake Control Module (EBCM)
3 | -- | -- | Not Used
4 | F4 | 30A | K7 Relay, For Climate Control System Ignition Voltage
5 | F5 | 30A | K1 Relay, For Engine Cooling Fan (MNF with C60)
6 | F6 | 40A | K2 Relay, and K10 Relay, For Engine Cooling Fans (MNF with C41 or M25)
20A | K2 Relay, and K10 Relay, For Engine Cooling Fans (MNF with C60)
7 | F7 | 10A | Fuse Block - Underhood
8 | F8 | 15A | Fuse Block - Underhood
9 | -- | -- | Not Used
10 | F10 | 7.5A | Door Unlock Relay, and Door Lock Relay
11 | F11 | 20A | Not Used
12 | F12 | 7.5A | Not Used
13 | F13 | 15A | K4 Relay, For Fog Lights
14 | F14 | 30A | Windshield Wiper Motor
15 | F15 | 30A | Windshield Wiper Motor
16 | F16 | 5A | Brake Pedal Position Sensor, Electronic Brake Control Module (EBCM), and Fuse Block - Rear
17 | F17 | 25A | K8 Relay, For Brake Booster Pump Motor
18 | F18 | 25A | K9 Relay, For Starter Motor
19 | -- | -- | Not Used
20 | F20 | 10A | K11 Relay, For A/C Compressor Clutch
21 | F21 | 20A | Engine Control Module (ECM)
22 | F22 | 7.5A | Engine Control Module (ECM)
23 | -- | -- | Not Used
24 | F24 | 15A | K13 Relay, For Fuel Pump and Fuel Injectors
25 | -- | -- | Not Used
26 | F26 | 10A | Camshaft Position (CMP) Actuator Solenoid Valve - Exhaust, Camshaft Position (CMP) Actuator Solenoid Valve - Intake, Evaporative Emission (EVAP) Canister Purge Solenoid Valve, Evaporative Emission (EVAP) Canister Vent Solenoid Valve, Heated Oxygen Sensor (HO2S) 1, Heated Oxygen Sensor (HO2S) 2, Intake Manifold Tuning (IMT) Solenoid Valve, and Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor
27 | F27 | 5A | Power Steering Control Module (PSCM)
28 | F28 | 5A | Transmission Control Module (TCM)
29 | F29 | 7.5A | Automatic Transmission Shift Lever Position Indicator, K93 Relay, Park/Neutral Position (PNP) Switch, Transmission Control Module (TCM), and Winter Mode Switch
30 | F30 | 10A | Engine Control Module (ECM), and Ignition Control Module (ICM)
31 | -- | -- | Not Used
32 | F32 | 5A | K11 Relay (C60), and Stop Lamp Switch
33 | -- | -- | Not Used
34 | F34 | 7.5A | Steering Column Control Module
35 | F35 | 20A | Radio
36 | F36 | 7.5A | Driver Information Center (DIC), Vehicle Communication Interface Module (VCIM) - Left, and Vehicle Communication Interface Module (VCIM) - Right
K1 | K1 Relay | -- | K10 Relay, and Engine Cooling Fan - Left
K2 | K2 Relay | -- | Engine Cooling Fan - Right
K3 | -- | -- | Not Used
K4 | K4 Relay | -- | Fog Lamp - Left Front, and Fog Lamp - Right Front
K5 | K5 Relay | -- | F14, and F15 Fuses, For Windshield Wiper Motor
K6 | K6 Relay | -- | K5 Relay, For Windhield Wiper Motor
K7 | K7 Relay | -- | HVAC Control Module
K8 | K8 Relay | -- | Brake Booster Pump Motor
K9 | K9 Relay | -- | Starter
K10 | K10 Relay | -- | Engine Cooling Fan (MNF with C41 or M25) Engine Cooling Fan - Left (MNF with C60)
K11 | K11 Relay | -- | A/C Compressor Clutch
K12 | K12 Relay | -- | F21, F26, and F32 Fuses, For Engine Controls
K13 | K13 Relay | -- | Fuel Injector 1, Fuel Injector 2, Fuel Injector 3, Fuel Injector 4, and Fuel Pump and Sender Assembly
K14 | K14 Relay | -- | F24 Fuse for K13 Relay, F27 Fuse for Power Steering, F29 Fuse for Automatic Transmission, and F30 Fuse for Engine Controls

### Fuse Block - Underhood - Bottom View

### Fuse Block Underhood X1

#### Connector Part Information

- OEM: 3 043 18 01
- Service: Service by Harness - See Part Catalog
- Description: 62-Way F (BK)

#### Terminal Part Information

- Terminal/Tray: Service by Harness - See Part Catalog
- Release Tool/Test Probe: N/A

#### Fuse Block Underhood X1

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
1 | -- | -- | Not Used
2 | 6 RD/YE | 409 | Cooling Fan Motor Supply Voltage 1 (MNF with C60))
3 | 6 RD/WH | 532 | Cooling Fan Motor Supply Voltage 2
4 | 6 BN/GN | 504 | Low Reference (MNF with C60)
4 WH/BK | 2366 | Cooling Fan Control Relay Speed Signal (MNF with C41 or M25)
5 | 6 BN | 1250 | Ground (MNF with C60)
6 RD/YE | 409 | Cooling Fan Motor Supply Voltage 1 (MNF with C41 or M25)
6 | -- | -- | Not Used
7 | 0.5 BK/WH | 1314 | Left Front Turn Signal Lamp Supply Voltage
8 | 0.5 GY/BK | 2114 | Left Turn Signal Lamp Supply Voltage
9 | 0.5 GY/BK | 709 | Left Park Lamp Supply Voltage
10 | 0.5 BN/BK | 5514 | Low Reference (C60)
11 | -- | -- | Not Used
12 | 0.5 BK/GN | 1315 | Right Front Turn Signal Lamp Supply Voltage
13 | 0.5 GY/GN | 2115 | Right Turn Signal Lamp Supply Voltage
14 | 0.5 GY/RD | 309 | Right Park Lamp Supply Voltage
15 | -- | -- | Not Used
16 | 0.5 GN/WH | 99 | Windshield Washer Fluid Level Sensor Signal
17-18 | -- | -- | Not Used
19 | 4 WH/BK | 2366 | Cooling Fan Control Relay Speed Signal (MNF with C60)
20 | 4 WH/BK | 2366 | Cooling Fan Control Relay Speed Signal (MNF with C60)
21 | 4 WH/BK | 2366 | Cooling Fan Control Relay Speed Signal (MNF with C41 or M25)
22 | -- | -- | Not Used
23 | -- | -- | Not Used
24 | 1 YE | 712 | Left Headlamp Low Beam Supply Voltage
25 | 1 WH | 311 | Right Headlamp High Beam Supply Voltage
26-28 | -- | -- | Not Used
29 | 1 YE | 312 | Right Headlamp Low Beam Supply Voltage
30 | 0.5 GN | 380 | A/C Refrigerant Pressure Sensor Signal (C60)
31 | 1 WH | 711 | Left Headlamp High Beam Supply Voltage
32 | 1.5 BN/WH | 2026 | Low Note Horn Enable Signal
33 | -- | -- | Not Used
34 | -- | -- | Not Used
35-36 | -- | -- | Not Used
37 | 0.5 BK/WH | 2700 | 5 Volt Reference (C60)
38-41 | -- | -- | Not Used
42 | 1 BK/RD | 228 | Windshield Washer Pump Control
43 | 1 BK/VT | 392 | Rear Window Washer Pump Control
44 | 1.5 BK/WH | 59 | A/C Compressor Clutch Supply Voltage (C60)
45 | 0.5 BU | 636 | Outside Ambient Air Temperature Sensor Signal
46 | -- | -- | Not Used
47 | 2.5 BN | 1150 | Ground
48 | 1.5 BN/GY | 5061 | Left Front Fog Lamp Supply Voltage (T96)
49 | 1.5 BN/GN | 5062 | Right Front Fog Lamp Supply Voltage (T96)
50 | -- | -- | Not Used
51 | 0.5 BU | 636 | Outside Ambient Air Temperature Sensor Signal
52 | 2.5 RD | 342 | Battery Positive Voltage
53 | 0.5 BU/BN | 61 | Low Reference
54-59 | -- | -- | Not Used
60 | 1 BN | 1150 | Ground
61 | -- | -- | Not Used
62 | 0.5 BU/BN | 61 | Low Reference

### Fuse Block Underhood X2

#### Connector Part Information

- OEM: 3 043 17 01
- Service: Service by Harness - See Part Catalog
- Description: 63-Way F (BK)

#### Terminal Part Information

- Terminal/Tray: Service by Harness - See Part Catalog
- Release Tool/Test Probe: N/A

#### Fuse Block Underhood X2

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
1 | 0.5 BK/BN | 848 | ABS Brake Switch Signal
2 | -- | -- | Not Used
3 | 0.5 WH/GN | 1162 | Accelerator Pedal Position Signal 2
4 | 0.5 BK/RD | 1164 | 5 Volt Reference 1
5 | 0.5 BN/RD | 1271 | Low Reference
6 | 0.5 BU/WH | 890 | Fuel Tank Pressure Sensor Signal
7 | 0.5 BK/GN | 2759 | Low Reference
8 | 0.5 BK/BN | 474 | 5 Volt Reference 1
9 | -- | -- | Not Used
10 | 0.5 BN/GN | 68 | Low Coolant Level Indicator Control
11 | 0.5 GN | 5060 | Low Speed GMLAN Serial Data
12 | -- | -- | Not Used
13 | 0.5 BN/GN | 196 | Windshield Wiper Motor Park Switch Signal
14 | 0.75 BK | 3 | Run/Crank Ignition 1 Voltage
15 | 0.5 GY | 379 | Cruise Control Clutch Pedal Position Switch Signal
16 | 0.5 BN/GY | 17 | Stop Lamp Switch Signal
17 | 0.5 BK/YE | 1274 | 5 Volt Reference 2
18 | 0.5 BN/WH | 1272 | Low Reference
19 | 0.5 WH/YE | 1161 | Accelerator Pedal Position Signal 1
20 | 0.5 GN/BN | 5266 | Ambient Air Pressure Sensor Signal
21 | 0.5 GN/BK | 6014 | Low Reference
22 | 0.5 BK/YE | 2709 | 5 Volt Reference
23 | 0.5 VT | 7306 | Emergency Door Unlock Control
24 | 0.5 GN | 5060 | Low Speed GMLAN Serial Data
25 | -- | -- | Not Used
26 | 0.5 BU/WH | 225 | Generator Turn On Signal
27 | -- | -- | Not Used
28 | 0.5 BN/RD | 333 | Brake Fluid Level Sensor Signal
29 | 4 RD | 3240 | Battery Positive Voltage
30 | 4 RD | 3340 | Battery Positive Voltage
31 | -- | -- | Not Used
32 | 4 BK | 1241 | Run Ignition 3 Voltage
33 | 0.5 RD | 1202 | Battery Positive Voltage (FX3)
34 | 0.5 RD | 842 | Battery Positive Voltage
35 | -- | -- | Not Used
36 | 0.5 RD | 302 | Battery Positive Voltage
37-39 | -- | -- | Not Used
40 | 0.5 BK | 639 | Run/Crank Ignition 1 Voltage
41 | -- | -- | Not Used
42 | 0.75 RD | 1540 | Battery Positive Voltage
43 | 0.5 WH | 2501 | High Speed GMLAN Serial Data (-)
44 | 0.5 WH | 2501 | High Speed GMLAN Serial Data (-)
45 | 0.5 GN | 2500 | High Speed GMLAN Serial Data (+)
46 | -- | -- | Not Used
47 | 0.5 WH | 2501 | High Speed GMLAN Serial Data (-)
48 | -- | -- | Not Used
49 | 0.5 GN | 2500 | High Speed GMLAN Serial Data (+)
50 | 0.5 GN | 2500 | High Speed GMLAN Serial Data (+)
51 | -- | -- | Not Used
52 | 0.5 BN/BK | 459 | A/C Compressor Clutch Relay Control (C60)
53 | 0.5 BN/BK | 459 | A/C Compressor Clutch Relay Control (C60)
54 | 0.5 GN | 481 | Rain Sense Signal 1
55 | 2.5 WH | 92 | Windshield Wiper Motor High Speed Control
56 | 1.5 RD/BU | 120 | Fuel Pump Supply Voltage
57 | 2.5 YE | 95 | Windshield Wiper Motor Low Speed Control
58-59 | -- | -- | Not Used
60 | 0.5 RD/BU | 5293 | Powertrain Main Relay Fused Supply 4
61 | 2.5 RD | 3040 | Battery Positive Voltage
62 | 0.75 RD | 3140 | Battery Positive Voltage
63 | -- | -- | Not Used

### Fuse Block-Underhood X3

#### Connector Part Information

- OEM: 30431901
- Service: Service by Harness - See Part Catalog
- Description: 47-Way F (BK)

#### Terminal Part Information

- Terminal/Tray: Service by Harness - See Part Catalog
- Release Tool/Test Probe: N/A

#### Fuse Block-Underhood X3

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
1 | 0.5 BU/BK | 1935 | Clutch Start Switch Signal (M25)
0.5 BU/BK | 1039 | K9 Relay Control (MNF)
2 | 0.5 RD/WH | 5267 | Turbo Cooling Fan Relay Control
3 | 0.5 RD/WH | 473 | High Speed Cooling Fan Relay Control (MNF with C41 or M25)
0.75 RD/WH | 335 | Low Speed Cooling Fan Relay Control (MNF with C60)
4 | 2.5 BK/RD | 6 | Starter Solenoid Crank Voltage
5 | -- | -- | Not Used
6 | 0.5 RD/WH | 473 | High Speed Cooling Fan Relay Control (MNF with C60)
0.5 RD/WH | 335 | Low Speed Cooling Fan Relay Control (MNF with C41 or M25)
7 | 0.5 BN/BU | 5514 | Low Reference
8 | 0.5 YE/RD | 203 | A/C High Pressure Switch Signal
9 | -- | -- | Not Used
10 | 0.5 BK/WH | 2700 | 5-Volt Reserence
11 | 0.5 BU | 2500 | High Speed GMLAN Serial Data (+)
12 | 0.5 BN/GN | 636 | Outside Ambient Air Temperature Sensor Signal
13 | 0.5 BN/GN | 465 | Fuel Pump Primary Relay Control
14 | 0.5 BN/VT | 729 | A/C Compressor Clutch Solenoid Control
15 | 0.5 GN | 2501 | High Speed GMLAN Serial Data (-)
16 | 0.5 BN/YE | 5069 | Engine Main Relay Coil Control
17-18 | -- | -- | Not Used
19 | 0.75 RD | 3740 | Battery Positive Voltage (MNF)
20 | 0.5 RD | 3540 | Battery Positive Voltage
21 | -- | -- | Not Used
22 | 1.5 BK | 39 | Run/Crank Ignition 1 Voltage
23 | 1.5 BK | 539 | Run/Crank Ignition 1 Voltage (MNF)
24 | -- | -- | Not Used
25 | 0.5 BN/VT | 1 | Brake Booster Vacuum Pump Control
26 | -- | -- | Not Used
27 | 0.5 BK/YE | 379 | Cruise Control Clutch Pedal Position Switch Signal
28 | 2.5 RD | 5290 | Powertrain Main Relay Fused Supply 1
29 | 2.5 RD/BK | 5291 | Powertrain Main Relay Fused Supply 2
30 | 0.5 BN/VT | 61 | Low Reference
31 | 0.75 BK/WH | 5007 | Reverse Switch Signal
32 | 1.5 BN/BK | 260 | Fuel Injection Control
33 | 0.5 BK/YE | 848 | ABS Brake Switch Signal
34 | -- | -- | Not Used
35 | 0.5 BK/YE | 1162 | Accelerator Pedal Position Signal 2
36 | 0.5 BK/WH | 1164 | 5 Volt Reference 1
37 | 0.5 BN | 1271 | Low Reference 1
38 | 0.5 BU/YE | 890 | Fuel Tank Pressure Sensor Signal
39 | 0.5 BN/YE | 2759 | Low Reference
40 | 0.5 BK/WH | 474 | 5-Volt Reference
41 | 0.5 BK/YE | 340 | Battery Positive Voltage
42 | 0.5 BK/WH | 1274 | 5 Volt Reference 2
43 | 0.5 BN | 1272 | Low Reference 2
44 | 0.5 BK/YE | 1161 | Accelerator Pedal Position Signal 1
45 | 0.5 BU | 5266 | Ambient Air Pressure Sensor Signal
46 | 0.5 BN/BU | 6014 | Low Reference
47 | 0.5 BK/WH | 2709 | 5 Volt Reference

### Fuse Block - Auxiliary - Top View

#### Fuse Block - Auxiliary - Top View Usage

No. | Fuse | Rating | Description
--- | --- | --- | ---
-- | FUSE BLOCK - UNDERHOOD | 200A | Fuse Block - Underhood
-- | P/S CONT | 80A | Power Steering Control Module (PSCM)
-- | HEATER | 100A | Not Used
-- | REAR ZONE MODULE SUPPLY 2 | 80A | Fuse Block - Rear
-- | REAR ZONE MODULE SUPPLY 1 | 80A | Fuse Block - Rear

### Fuse Block - Auxiliary

#### Connector Part Information

- OEM: 968464-7
- Service: 9199210
- Description: 2-Way F (WH)

#### Terminal Part Information

- Terminal/Tray: Service by Connector Assembly - 9199210
- Release Tool/Test Probe: N/A

#### Fuse Block - Auxiliary

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
1 | 10 RD | 42 | Battery Positive Voltage
2 | 10 RD | 42 | Battery Positive Voltage

### Fuse Block - Rear - Top View

#### Fuse Block - Rear - Top View Usage

No. | Fuse | Rating | Description
--- | --- | --- | ---
01 | F1 | 25A | Window Motor - Driver, and Window Motor - Passenger
02 | -- | -- | Not Used
03 | F3 | 7.5A | Instrument Panel Cluster (IPC)
04 | F4 | 5A | HVAC Control Module
05-10 | -- | -- | Not Used
11 | F11 | 25A | Rear Window Defogger Grid
12 | F12 | 15A | Fuse Block - Rear and Rear Window Wiper Motor
13 | -- | -- | Not Used
14 | F14 | 7.5 | HVAC Control Module
15 | -- | -- | Not Used
16 | F16 | 5A | Inflatable Restraint Front Passenger Presence System (PPS) Module
17 | F17 | 5A | Inside Rearview Mirror (ISRVM), Tire Pressure Module, and Windshield Outside Moisture Sensor
18 | F18 | 5A | Cruise Control Clutch Pedal Release Switch (M25), Headlamp and Panel Dimmer Switch, Instrument Panel Cluster (IPC), and Multifunction Switch - I/P
19-20 | -- | -- | Not Used
21 | F21 | 7.5A | Outside Rearview Mirror - Driver, and Outside Rearview Mirror - Passenger
22 | F22 | 20A | Sunroof Shade Module
23 | F23 | 25A | Window Motor - Left Rear, and Window Motor - Right Rear
24 | F24 | 7.5A | Data Link Connector (DLC)
25-28 | -- | -- | Not Used
29 | F29 | 15A | Cigar Lighter
30-33 | -- | -- | Not Used
34 | F34 | 25A | Sunroof Control Module
35-37 | -- | -- | Not Used
38 | F38 | 25A | Fuse Block - Rear
39 | F39 | 15A | Heated Seat Control Module - Driver
40 | F40 | 15A | Heated Seat Control Module - Passenger
41-44 | -- | -- | Not Used
K1 | -- | -- | Not Used
K2 | K2 Relay | -- | F11 and F21 Fuses
K3 | K3 Relay | -- | F12, F14, F16, F17, and F18 Fuses
K4 | K4 Relay | -- | F39 and F40 Fuses

### Fuse Block - Rear - X1

#### Connector Part Information

- OEM: 1452609-2
- Service: Service by Harness - See Part Catalog
- Description: 58-Way F (BK w/GN Lock)

#### Connector Part Information

- OEM: 1452604-3 (A)
- Service: Service by Harness - See Part Catalog
- Description: 29-Way F (BK)

#### Terminal Part Information

- Terminal/Tray: Service by Harness - See Part Catalog
- Release Tool/Test Probe: N/A

#### Connector Part Information

- OEM: 1452604-4 (B)
- Service: Service by Harness - See Part Catalog
- Description: 29-Way F (GY)

#### Terminal Part Information

- Terminal/Tray: Service by Harness - See Part Catalog
- Release Tool/Test Probe: N/A

#### Fuse Block - Rear - X1

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
A1-A3 | -- | -- | Not Used
A4 | 0.5 BU/YE | 5797 | Rear Closure Handle Switch Open Signal
A5-A11 | -- | -- | Not Used
A12 | 0.5 BK/YE | 820 | CHMSL Supply Voltage
A13-A15 | -- | -- | Not Used
A16 | 0.5 WH | 194 | Door Unlock Control
A17 | -- | -- | Not Used
A18 | 0.5 GY/GN | 1255 | Side Marker/License Supply Voltage Signal
A19-A21 | -- | -- | Not Used
A22 | 1.5 BK | 1939 | Run/Crank Ignition 1 Voltage
A23-A27 | -- | -- | Not Used
A28 | 0.5 BK/BU | 1303 | Lift Gate Ajar Switch Signal 1
A29 | 0.5 WH | 194 | Door Unlock Control
B1-B13 | -- | -- | Not Used
B14 | 0.5 BK/YE | 5221 | Left Brake Lamp Supply Voltage
B15 | 0.5 BK/YE | 5222 | Right Brake Lamp Supply Voltage
B16 | -- | -- | Not Used
B17 | 0.5 WH/BK | 5219 | Left Backup Lamp Supply Voltage
B18 | 0.5 BK/GN | 1335 | Right Rear Turn Signal Lamp Supply Voltage
B19 | 1.5 BU | 393 | Rear Window Wiper Motor Control
B20 | -- | -- | Not Used
B21 | 0.75 BN/WH | 5799 | Lift Gate Open/Close Motor Close Control
B22 | 0.75 BU | 6800 | Fuel Door Lock/Unlock 1 Signal
B23 | 0.75 BU/BK | 6801 | Fuel Door Lock/Unlock 1 Reference
B24 | 0.5 GY/GN | 1255 | Side Marker/License Supply Voltage Signal
B25 | 0.5 WH/BK | 5220 | Right Backup Lamp Supply Voltage
B26 | 0.5 GY/GN | 1255 | Side Marker/License Supply Voltage Signal
B27 | 0.5 GY/GN | 1255 | Side Marker/License Supply Voltage Signal
B28 | 0.5 BK/WH | 1334 | Left Rear Turn Signal Lamp Supply Voltage
B29 | 0.5 GY/GN | 737 | Trunk Lamp Control (5 Door)

### Fuse Block - Rear - X2

#### Connector Part Information

- OEM: 1355892-1
- Service: Service by Harness - See Part Catalog
- Description: 4-Way F (GY)

#### Terminal Part Information

- Terminal/Tray: Service by Harness - See Part Catalog
- Release Tool/Test Probe: N/A

#### Fuse Block - Rear - X2

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
1-3 | -- | -- | Not Used
4 | 2.5 BK | 293 | Rear Defog Element Supply Voltage

### Fuse Block - Rear X3

#### Connector Part Information

- OEM: 1452612-1
- Service: Service by Harness - See Part Catalog
- Description: 30-Way F 1.5, 2.8, 6.3 Timer Series, Sealed (BK w/BK Lock)

#### Terminal Part Information

- Terminal/Tray: Service by Harness - See Part Catalog
- Release Tool/Test Probe: N/A

#### Fuse Block - Rear X3

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
1-2 | -- | -- | Not Used
3 | 1.5 RD | 502 | Battery Positive Voltage
4-10 | -- | -- | Not Used
11 | 0.75 RD | 1442 | Battery Positive Voltage
12 | 2.5 RD | 2340 | Battery Positive Voltage (5 Door)
13 | 2.5 RD | 2240 | Battery Positive Voltage (5 Door)
14-24 | -- | -- | Not Used
25 | 0.5 RD | 1542 | Battery Positive Voltage
26 | -- | -- | Not Used
27 | 0.75 RD | 1742 | Battery Positive Voltage
28 | -- | -- | Not Used
29 | 2.5 RD | 2140 | Battery Positive Voltage
30 | 2.5 RD | 2040 | Battery Positive Voltage

### Fuse Block - Rear X4

#### Connector Part Information

- OEM: 1452612-2
- Service: Service by Harness - See Part Catalog
- Description: 30-Way F (BK w/GY Lock)

#### Terminal Part Information

- Terminal/Tray: Service by Harness - See Part Catalog
- Release Tool/Test Probe: N/A

#### Fuse Block - Rear X4

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
1-3 | -- | -- | Not Used
4 | 0.75 BK | 839 | Run/Crank Ignition 1 Voltage
5 | -- | -- | Not Used
6 | 0.5 BK | 1539 | Run/Crank Ignition 1 Voltage
7 | 0.5 BK | 139 | Run/Crank Ignition 1 Voltage
8 | 0.5 BK | 1039 | Run/Crank Ignition 1 Voltage
9-10 | -- | -- | Not Used
11 | 0.75 WH/BK | 2267 | Mirror Heating Element Supply Voltage
12 | -- | -- | Not Used
13 | 2.5 RD | 142 | Battery Positive Voltage
14-17 | -- | -- | Not Used
18 | 0.5 BN | 2350 | Ground
19 | 2.5 RD | 140 | Battery Positive Voltage (C3U)
20 | -- | -- | Not Used
21 | 1.5 BK | 1041 | Run Ignition 3 Voltage (KA1)
22 | 1.5 BK | 1341 | Run Ignition 3 Voltage (KA1)
23-30 | -- | -- | Not Used

### Fuse Block - Rear X5

#### Connector Part Information

- OEM: 1452609-3
- Service: Service by Harness - See Part Catalog
- Description: 58-Way F MQS Series (BK w/BU Lock)

#### Terminal Part Information

- Terminal/Tray: Service by Harness - See Part Catalog
- Release Tool/Test Probe: N/A

#### Connector Part Information

- OEM: 1452602-2 (A)
- Service: Service by Harness - See Part Catalog
- Description: 29-Way F (BU)

#### Terminal Part Information

- Terminal/Tray: Service by Harness - See Part Catalog
- Release Tool/Test Probe: N/A

#### Connector Part Information

- OEM: 1452602-1 (B)
- Service: Service by Harness - See Part Catalog
- Description: 29-Way F (BN)

#### Terminal Part Information

- Terminal/Tray: Service by Harness - See Part Catalog
- Release Tool/Test Probe: N/A

#### Fuse Block - Rear X5

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
A1 | 0.5 WH | 194 | Door Unlock Control
A2 | -- | -- | Not Used
A3 | 0.5 BK/GN | 1415 | Right Front Turn Signal Switch Signal
A4 | 0.5 BK/WH | 1414 | Left Front Turn Signal Switch Signal
A5 | -- | -- | Not Used
A6 | 0.5 BK | 4 | Accessory Voltage
A7 | 0.5 GY | 157 | Interior Lamp Control
A8-A9 | -- | -- | Not Used
A10 | 0.5 BN/BK | 5200 | Power Window Comfort Close Signal
A11 | 0.5 BN/GN | 109 | Hood Ajar Switch Signal
A12-A18 | -- | -- | Not Used
A19 | 0.5 RD/BU | 1732 | Electronic Control Unit 12 Volt Reference 3
A20 | -- | -- | Not Used
A21 | 1.5 WH | 194 | Door Unlock Control
A22 | -- | -- | Not Used
A23 | 1.5 BN | 2350 | Ground
A24-A26 | -- | -- | Not Used
A27 | 0.5 GY | 746 | Right Front Door Ajar Switch Signal
A28 | 0.5 GY | 747 | Left Rear Door Ajar Switch Signal (5 Door)
A29 | 0.5 GY | 748 | Right Rear Door Ajar Switch Signal (5 Door)
B1 | 0.5 BN/RD | 1134 | Park Brake Switch Signal
B2 | 0.75 BK | 3 | Run/Crank Ignition 1 Voltage
B3 | -- | -- | Not Used
B4 | 0.5 BN/GY | 17 | Stop Lamp Switch Signal
B5 | 0.5 BN/WH | 28 | Horn Relay Control
B6 | 0.5 RD | 842 | Battery Positive Voltage
B7 | 0.5 VT/BN | 5968 | Driver Door Lock Status Indicator Signal Ground
B8-B11 | -- | -- | Not Used
B12 | 0.5 GY/GN | 737 | Trunk Lamp Control (3 Door)
B13 | 0.5 BN | 2350 | Ground
B14 | -- | -- | Not Used
B15 | 0.5 WH/GY | 49 | Driver Door Ajar Switch Signal
B16-B20 | -- | -- | Not Used
B21 | 1.5 RD | 195 | Door Lock Control
B22 | 0.5 BK/YE | 1733 | Electronic Control Unit 12 Volt Reference 2
B23-B25 | -- | -- | Not Used
B26 | 0.5 GN | 5060 | Low Speed GMLAN Serial Data
B27 | 0.5 GN | 5060 | Low Speed GMLAN Serial Data
B28-B29 | -- | -- | Not Used

### Fuse Block - Rear -X6

#### Connector Part Information

- OEM: 968424-3
- Service: Service by Harness - See Part Catalog
- Description: 2-Way F (WH)

#### Terminal Part Information

- Terminal/Tray: Service by Harness - See Part Catalog
- Release Tool/Test Probe: N/A

#### Fuse Block - Rear -X6

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
1 | 10 RD | 42 | Battery Positive Voltage
2 | 10 RD | 42 | Battery Positive Voltage