GM Service Manual Online
For 1990-2009 cars only
Table 1: Junction Block-Underhood (Top) Application Table
Table 2: Junction Block-Underhood (Top) Wire Entry Pinout
Table 3: Junction Block-Underhood (Bottom) Application Table
Table 4: Junction Block-Underhood (Bottom) Wire Entry Pinout
Table 5: Junction Block-Left I/P Application Table
Table 6: Junction Block-Left I/P, C2
Table 7: Junction Block-Left I/P, C1
Table 8: Junction Block-Right I/P Application Table
Table 9: Junction Block-Right I/P, C2
Table 10: Junction Block-Right I/P, C1

Junction Block-Underhood (Top); Label


Object Number: 515601  Size: LF

Junction Block-Underhood (Top) Application Table

Fuse/Circuit Breaker

Rating

Description

A/C RLY (CMPR)

10A

A/C CMPR Relay, and Generator

DRL/EXT LTS

15A

DRL RLY Relay, Headlamp-Left, and Emergency Vehicle Headlamps Flasher (6J7)

EXT LTS

10A

Headlamp-Right

FOG RLY

10A

FOG LTS Relay

F/PMP RLY

15A

FUEL PUMP Relay

HORN RLY

15A

HORNS Relay

LEFT I/P

60A

Junction Block-Left I/P including; CLSTR/BCM Fuse (10A), DR LK Fuse (20A), HEADLAMP RELAY, LH HTD ST/BCM Fuse (15A), PWR MIR Fuse (2A), RETAINED ACCSRY PWR RELAY, and RETAINED ACCESRY PWR BRKR Circuit Breaker (30A)

PCM

15A

Powertrain Control Module (PCM)

RT I/P #1

60A

Junction Block-Right I/P including; BACK UP LP Relay, BATT RUNDOWN PROTECTION RELAY, B/U LP Fuse (10A), DIC/RKE Fuse (10A), I/P BRP Fuse (10A), TRK/ROOF BRP Fuse (15A), FRT PARK LP Fuse (15A), PARK LP Relay, PWR DROP Fuse (15A), PWR SEATS BRKR Circuit Breaker (30A), REAR PRK LP Fuse (15A), and RH HTD ST Fuse (15A)

RT I/P #2

60A

Junction Block-Right I/P including; AUX PWR Fuse (20A), BRK SW Fuse (15A), C/LTR Fuse (15A), HAZ SW Fuse (15A), and HVAC BLO Fuse (25A)

U/HOOD #1

60A

Junction Block-Underhood (Top) including; A/C RLY (CMPR) Fuse (10A), DRL/EXT LTS Fuse (15A), EXT LTS Fuse (10A), FOG RLY Fuse (10A) (T96), F/PMP RLY Fuse (15A), HORN RLY Fuse (15A), PCM Fuse (15A), Spot Lamp-Left Fuse (15A) and Spot Lamp-Right Fuse (15A)

--

15A

Spot Lamp-Left

--

15A

Spot Lamp-Right

Junction Block-Underhood (Top); Top View


Object Number: 515946  Size: LF

Junction Block-Underhood Top -- Bottom View


Object Number: 830528  Size: LF

Junction Block-Underhood (Top) Wire Entry Pinout

Connector Part Information

    • 12176369
    • 66-Way F Convenience Center (BLK)
    • Indexing May Vary

Pin

Wire Color

Circuit No.

Function

A1

BLK/WHT

1251

Ground

A3

GRY

120

Fuel Pump Supply Voltage

A4

--

--

Not Used

A6

--

--

Not Used

A8

--

--

Not Used

A10

--

--

Not Used

B1

ORN

1040

Battery Positive Voltage

B2

--

--

Not Used

B3

DK GRN/

WHT

465

Fuel Pump Relay Control

B4

PNK

739

Ignition 1 Voltage (NC8)

PNK

739

Ignition 1 Voltage (NC8)

B5

--

--

Not Used

B6

RED

78

AIR Pump Supply Voltage (NC8)

B8

PNK

239

Ignition 1 Voltage

PNK

239

Ignition 1 Voltage

B9

--

--

Not Used

B10

PPL

6

Starter Solenoid Crank Voltage

C1

ORN

1340

Battery Positive Voltage

ORN

1340

Battery Positive Voltage

C3

DK BLU

593

DRL Headlamp High Beam Supply Voltage

C4

ORN

3040

Battery Positive Voltage (NC8)

C6

BRN

436

AIR Pump Relay Control (NC8)

C8

RED

102

Battery Positive Voltage

C10

YEL/BLK

625

Starter Enable Relay Control

D1

BLK

150

Ground

D2

ORN

1340

Battery Positive Voltage

ORN

1340

Battery Positive Voltage (9C1/9C6)

D3

LT GRN/BLK

592

DRL Relay Control

D4-D6

--

--

Not Used

D8-D10

--

--

Not Used

E6

BLK

28

Horn Relay Control

E8

ORN

1540

Battery Positive Voltage

E9

DK GRN/

WHT

1317

Fog Lamp Relay Control (T96)

E11

ORN

840

Battery Positive Voltage (T96)

F6

DK GRN

29

Horn Control

F7

--

--

Not Used

F8

ORN

1540

Battery Positive Voltage

F9

PPL

34

Fog Lamps Supply Voltage (T96)

F10

--

--

Not Used

F11

ORN

840

Battery Positive Voltage (T96)

G6

ORN

1540

Battery Positive Voltage

ORN

1540

Battery Positive Voltage

G7

RED

842

Battery Positive Voltage (w/o 9C1/9C6)

G8

BLK/WHT

2711

Spot Lamps Supply Voltage (9C1/9C6)

G9

RED

842

Battery Positive Voltage (9C1/9C6)

G10

BLK

2710

Spot Lamps Supply Voltage (9C1/9C6)

G11

--

842

Battery Positive Voltage Bus (9C1/9C6)

H6

ORN

840

Battery Positive Voltage (T96)

ORN

840

Battery Positive Voltage (T96)

H7

RED

842

Battery Positive Voltage

H8

ORN

1040

Battery Positive Voltage

H9

RED

842

Battery Positive Voltage

H10

ORN

1340

Battery Positive Voltage

ORN

1340

Battery Positive Voltage

H11

--

842

Battery Positive Voltage Bus

J6

ORN

1440

Battery Positive Voltage

ORN

1440

Battery Positive Voltage

J7

RED

842

Battery Positive Voltage

J8

ORN

1740

Battery Positive Voltage

J9

RED

842

Battery Positive Voltage

J10

ORN

140

Battery Positive Voltage

ORN

140

Battery Positive Voltage

J11

--

842

Battery Positive Voltage Bus

K1

RED

242

Battery Positive Voltage

K2

RED

342

Battery Positive Voltage

K3

RED

742

Battery Positive Voltage

K4

RED

842

Battery Positive Voltage

L1

--

1

Battery Positive Voltage Bus

L2

--

1

Battery Positive Voltage Bus

L3

--

1

Battery Positive Voltage Bus

L4

--

1

Battery Positive Voltage Bus

Junction Block-Underhood -- Bottom -- Label


Object Number: 729611  Size: LF

Junction Block-Underhood (Bottom) Application Table

Fuse/Circuit Breaker

Rating

Description

A/C RLY (COIL)

10A

A/C CMPR Relay

AIR PMP RLY

30A

Junction Block-Underhood (Top) A.I.R. Relay (NC8)

COOLING FANS

60A

FAN CONT #1 Fuse (25A) and FAN CONT #2 & 3 Fuse (25A)

DFI MDL

15A

Ignition Control Module (ICM)

ENG DEVICES

10A

Junction Block-Underhood (Top) A.I.R. Relay (NC8), Evaporative Emissions (EVAP) Canister Purge Solenoid, Mass Air Flow (MAF) Sensor, and Secondary Air Injection (AIR) Solenoid (L36, NC8)

FAN CONT #1

25A

FAN CONT #1 Relay

FAN CONT #2 & 3

25A

FAN CONT #2 Relay and FAN CONT #3 Relay

FUEL INJ

15A

Fuel Injectors 1, 2, 3, 4, 5, and 6

IGN SW

60A

Ignition Switch and Junction Block-Left I/P including; ABS/PCM Fuse (10A), A/C/CRUISE Fuse (10A) A/C FAN Fuse (20A), BCM Fuse (10A), CIG/AUX Fuse (10A), CRUISE Fuse (2A), PCM/BCM/CLSTR Fuse (10A), PCM (CRANK) Fuse (10A), STOP Fuse (10A), SRS Fuse (10A), TURN SIGNAL Fuse (15A), and WSW Fuse (25A)

OXY SEN

15A

Heated Oxygen Sensor (HO2S) Sensor 1, and Heated Oxygen Sensor (HO2S) Sensor 2

RT IP #3

60A

HTD MIR Fuse (10A), RADIO Fuse (15A), REAR DEFOG BRKR Circuit Breaker (30A), and REAR DEFOG RELAY

TRANS SOL

10A

1-2 Shift Solenoid (1-2 SS Valve), 2-3 Shift Soleniod (2-3 SS Valve), Torque Convertor Clutch (TCC) Solenoid Valve

U/HOOD #2

60A

A/C RLY (COIL) Fuse (10A), AIR PMP RLY Fuse (30A) (NC8), DFI MDL Fuse (15A), ENG DEVICES Fuse (10A), FUEL INJ Fuse (15A), IGN RLY Relay, OXY SEN Fuse (15A), and TRANS SOL Fuse (10A)

Junction Block-Underhood -- Bottom -- Top View


Object Number: 515955  Size: LF

Junction Block-Underhood Bottom -- Bottom View


Object Number: 515950  Size: LF

Junction Block-Underhood (Bottom) Wire Entry Pinout

Connector Part Information

    • 12176369
    • 66-Way F Convenience Center (BLK)
    • Indexing May Vary

Pin

Wire Color

Circuit No.

Function

A1

--

--

Not Used

A3-A4

--

--

Not Used

A6

--

--

Not Used

A8

--

--

Not Used

A10

--

--

Not Used

B1

ORN

740

Battery Positive Voltage

ORN

740

Battery Positive Voltage

B2

--

--

Not Used

B3

LT BLU

409

Cooling Fan Motor Supply Voltage

B4

ORN

740

Battery Positive Voltage

B5

LT BLU

409

Cooling Fan Motor Supply Voltage

B6

BLK

250

Ground

B8

ORN

640

Battery Positive Voltage

B9

--

--

Not Used

B10

GRY

532

Cooling Fan Motor Supply Voltage

C1

ORN

740

Battery Positive Voltage

ORN

740

Battery Positive Voltage

C3

DK BLU

473

High Speed Cooling Fan Relay Control

C4

WHT

504

Cooling Fan Motor Supply Voltage

C6

DK BLU

473

High Speed Cooling Fan Relay Control

DK BLU

473

High Speed Cooling Fan Relay Control

C8

ORN

640

Battery Positive Voltage

ORN

640

Battery Positive Voltage

C10

DK GRN

335

Low Speed Cooling Fan Relay Control

D1-D6

--

--

Not Used

D8-D10

--

--

Not Used

E6

BLK/WHT

1251

Ground

E8

RED

442

Battery Positive Voltage

E9

DK GRN/

WHT

459

A/C Compressor Clutch Relay Control

E11

DK GRN

59

A/C Compressor Clutch Supply Voltage

F6

DK GRN

591

Ignition 1 Voltage

F7

--

--

Not Used

F8

PNK

239

Ignition 1 Voltage

F9

ORN

140

Battery Positive Voltage

F10

--

--

Not Used

F11

PNK

439

Ignition 1 Voltage

G6

ORN

740

Battery Positive Voltage

G7

RED

142

Battery Positive Voltage

G8

ORN

640

Battery Positive Voltage

G9

--

142

Battery Positive Voltage Bus

G10

ORN

3040

Battery Positive Voltage (NC8)

G11

RED

442

Battery Positive Voltage (NC8)

H6

PNK

639

Ignition 1 Voltage

H7

--

591

Battery Positive Voltage Bus

H8

PNK

839

Ignition 1 Voltage

H9

DK GRN

591

Ignition 1 Voltage

H10

PNK

439

Ignition 1 Voltage

H11

--

591

Battery Positive Voltage Bus

J6

PNK

739

Ignition 1 Voltage

PNK

739

Ignition 1 Voltage

J7

DK GRN

591

Ignition 1 Voltage

J8

PNK

539

Ignition 1 Voltage

J9

DK GRN

591

Ignition 1 Voltage

J10

PNK

1039

Ignition 1 Voltage

J11

--

591

Battery Positive Voltage Bus

K1

RED

42

Battery Positive Voltage

K2

RED

1042

Battery Positive Voltage

K3

RED

442

Battery Positive Voltage

K3

RED

442

Battery Positive Voltage (NC8)

K4

RED

142

Battery Positive Voltage

L1

--

1

Battery Positive Voltage Bus

L2

--

1

Battery Positive Voltage Bus

L3

--

1

Battery Positive Voltage Bus

L4

--

1

Battery Positive Voltage Bus

Junction Block-Left I/P -- Label


Object Number: 515602  Size: LF

Junction Block-Left I/P Application Table

Fuse/Circuit Breaker

Rating

Description

ABS/PCM

10A

CRANK RLY Relay, Electronic Brake Control Module (EBCM), Evaporative Emissions (EVAP) Canister Vent Solenoid, IGN RLY Relay, Powertrain Control Module (PCM), and Stop Lamp Switch

A/C/CRUISE

10A

Air Temperature Actuator-Left, Air Temperature Actuator-Right, Cruise Control Module (CCM), Driver Information Center (DIC) (U68), HVAC Control Module, and Inside Rearview Mirror

A/C FAN

20A

HVAC Control Module

BCM

10A

Body Control Module (BCM)

CIG/AUX

10A

Auxiliary Power Drop Connector and Blunt Cut Wire (9C1/9C3/9C6)

CLSTR/BCM

10A

Body Control Module (BCM), Data Link Connector (DLC), and Instrument Panel Cluster (IPC)

CRUISE

2A

Cruise Control ON/OFF Switch, and Cruise Control Release Switch

DR LK

20A

Body Control Module (BCM)

LH HTD ST/BCM

15A

Body Control Module (BCM), and Heated Seat Relay-Driver

PCM/BCM/CLSTR

10A

Body Control Module (BCM), Powertrain Control Module (PCM), Instrument Panel Cluster (IPC) and Rear Compartment Occupant Sensor

PCM (CRANK)

10A

Powertrain Control Module (PCM)

PWR MIR

2A

Outside Rearview Mirror Switch

RETAINED ACCSRY PWR BRKR

30A

Sunroof Module (CF5), Window Switch-Driver, and Window Switch-Front Passenger (Monte Carlo)

SRS

10A

Inflatable Restraint Sensing and Diagnostic Module (SDM)

STOP

10A

Body Control Module (BCM), and Stop Lamp Switch

STR COL

2A

Steering Wheel Controls-Left, and Steering Wheel Controls-Right

TURN SIGNAL

15A

Hazard Switch

WSW

25A

Windshield Wiper System Module, and Windshield Wiper/ Washer Switch

Junction Block-Left I/P -- Top View -- Outside Devices


Object Number: 516683  Size: LF

Junction Block-Left I/P, C2


Object Number: 366000  Size: CH

Connector Part Information

    • 12193908
    • 68-Way F Metri-Pack 280 Series, Flexlock (NAT)

Pin

Wire Color

Circuit No.

Function

A1

--

--

Not Used

A2

YEL

685

Left Turn Signal Lamps Supply Voltage (Monte Carlo)

A3

--

--

Not Used

A4

TAN

686

Right Turn Signal Lamps Supply Voltage (Monte Carlo)

A5

LT GRN

262

Driver Door Key Switch Signal (w/o 9C1/9C3/9C6)

A6

DK BLU

1307

Power Window Master Switch Lockout Signal (Impala w/o 6N5)

A7-A9

--

--

Not Used

A10

GRY

8

Instrument Panel Lamp Supply Voltage - 1

GRY

8

Instrument Panel Lamp Supply Voltage - 1

A11-A12

--

--

Not Used

B1

GRY

295

Door Lock Actuator Lock Control

GRY

295

Door Lock Actuator Lock Control (Impala)

B2

--

--

Not Used

B3

BRN/WHT

1571

Traction Control Switch Signal (Monte Carlo)

B4

TAN

294

Door Lock Actuator Unlock Control (Impala)

B5

TAN

694

Driver Door Lock Actuator Unlock Control

B6

DK BLU

1307

Power Window Master Switch Lockout Signal (Impala)

B7

ORN/BLK

781

Driver Door Lock Switch Unlock Signal

B8-B9

--

--

Not Used

B10

GRY

8

Instrument Panel Lamp Supply Voltage - 1 (w/o 9C1/9C3/9C6)

GRY

8

Instrument Panel Lamp Supply Voltage - 1 (w/o 9C1/9C3/9C6)

B11-B12

--

--

Not Used

C1

--

--

Not Used

C2

WHT

17

Stop Lamp Switch Signal

C3

WHT

1310

EVAP Canister Vent Solenoid Control

C4

DK BLU

49

Door Open Switch Signal

C5

ORN/BLK

1840

Battery Positive Voltage (w/o 9C1/9C3/9C6)

C8

YEL

1127

Trip Computer Class 2 Serial Data (w/o 9C1/9C3/9C6)

C9

BRN

141

Ignition 3 Voltage (w/o 9C1/9C3/9C6)

C10

GRY

8

Instrument Panel Lamp Supply Voltage - 1 (Monte Carlo)

GRY

8

Instrument Panel Lamp Supply Voltage - 1 (Monte Carlo)

C11-C12

--

--

Not Used

D1

YEL

343

Accessory Voltage (w/o 9C1/9C3/9C6)

D2

ORN

267

Heated Mirror/Rear Defog Relay Coil Suppy Voltage (w/o 9C1/9C3/9C6)

D3

DK GRN/

WHT

1135

A/T Shift Lock Control Solenoid Supply Voltage (w/o 9C1/9C3/9C6)

D4

DK BLU/

WHT

727

Door Open Switch Signal (Impala)

D5

--

--

Not Used

D8

DK BLU

1128

SDM Class 2 Serial Data

D9-D10

--

--

Not Used

D11

PNK

239

Ignition 1 Voltage

D12

PPL

1500

Ignition 0 Voltage

E1

YEL

343

Accessory Voltage

E2-E5

--

--

Not Used

E6

ORN

2040

Battery Positive Voltage

E7

TAN/WHT

816

A/T Shift Lock Solenoid Supply Voltage (w/o 9C1/9C3/9C6)

E8

LT GRN

1844

Park Brake Indicator Supply Voltage

E9-E12

--

--

Not Used

F1-F2

--

--

Not Used

F3

GRY

118

Left Front Speaker Output (-)

F4

TAN

201

Left Front Speaker Output (+)

F5-F8

--

--

Not Used

F9

PNK

339

Ignition 1 Voltage (6F5)

F10

YEL

1139

Ignition 1 Voltage

F11-F12

--

--

Not Used

Junction Block-Left I/P -- Bottom View -- Inside Devices


Object Number: 516684  Size: LF

Junction Block-Left I/P, C1


Object Number: 362761  Size: CH

Connector Part Information

    • 12193906
    • 68-Way F Metri-Pack 280 Series, Flexlock (BLK)

Pin

Wire Color

Circuit No.

Function

A1

YEL

143

Accessory Voltage

YEL

143

Accessory Voltage (9C1/9C3/9C6)

A2

GRY

8

Instrument Panel Lamp Supply Voltage - 1

GRY

8

Instrument Panel Lamp Supply Voltage - 1

A3

GRY

8

Instrument Panel Lamp Supply Voltage - 1

GRY

8

Instrument Panel Lamp Supply Voltage - 1 (w/o D55)

A4

--

--

Not Used

A5

WHT

156

Courtesy Lamp Low Control

WHT

156

Courtesy Lamp Low Control

A6

WHT

156

Courtesy Lamp Low Control

A7

--

--

Not Used

A8

LT GRN

262

Driver Door Key Switch Signal (w/o 9C1/9C3/9C6)

LT GRN

262

Driver Door Key Switch Signal (w/o 9C1/9C3/9C6)

A9

DK BLU

15

Right Turn Signal Lamps Supply Voltage (Impala)

DK BLU

15

Right Turn Signal Lamps Supply Voltage (Impala)

A9

TAN

686

Right Turn Signal Lamps Supply Voltage (Monte Carlo)

TAN

686

Right Turn Signal Lamps Supply Voltage (Monte Carlo)

A10

DK BLU

15

Right Turn Signal Lamps Supply Voltage (Impala)

DK BLU

15

Right Turn Signal Lamps Supply Voltage (Impala)

A10

TAN

686

Right Turn Signal Lamps Supply Voltage (Monte Carlo)

TAN

686

Right Turn Signal Lamps Supply Voltage (Monte Carlo)

A11

LT BLU

14

Left Turn Signal Lamps Supply Voltage (Impala)

LT BLU

14

Left Turn Signal Lamps Supply Voltage (Impala)

A11

YEL

685

Left Turn Signal Lamps Supply Voltage (Monte Carlo)

YEL

685

Left Turn Signal Lamps Supply Voltage (Monte Carlo)

A12

LT BLU

14

Left Turn Signal Lamps Supply Voltage (Impala)

LT BLU

14

Left Turn Signal Lamps Supply Voltage (Impala)

A12

YEL

685

Left Turn Signal Lamps Supply Voltage (Monte Carlo)

YEL

685

Left Turn Signal Lamps Supply Voltage (Monte Carlo)

B1

YEL

43

Accessory Voltage

B2

GRY

8

Instrument Panel Lamp Supply Voltage - 1

GRY

8

Instrument Panel Lamp Supply Voltage - 1

B3

GRY

8

Instrument Panel Lamp Supply Voltage - 1

GRY

8

Instrument Panel Lamp Supply Voltage - 1 (Impala LS/ Monte Carlo SS)

B4

BRN

141

Ignition 3 Voltage

BRN

141

Ignition 3 Voltage

B5

GRY

8

Instrument Panel Lamp Supply Voltage - 1

GRY

8

Instrument Panel Lamp Supply Voltage - 1

B6

ORN/BLK

781

Door Lock Switch Signal

ORN/BLK

781

Door Lock Switch Signal

B7

DK BLU

1307

Power Window Master Switch Lockout Signal (Impala)

B8

TAN

694

Driver Door Lock Actuator Unlock Control

B9

TAN

294

Door Lock Actuator Unlock Control

TAN

294

Door Lock Actuator Unlock Control

B10

BRN/WHT

1571

Traction Control Switch Signal (Monte Carlo)

B11

WHT

17

Stop Lamp Switch Signal

WHT

17

Stop Lamp Switch Signal

B12

GRY

295

Door Lock Actuator Lock Control

GRY

295

Door Lock Actuator Lock Control

C1

PPL

1500

Ignition 0 Voltage

C2

PNK

239

Ignition 1 Voltage

PNK

239

Ignition 1 Voltage

C3

GRY

8

Instrument Panel Lamp Supply Voltage - 1 (Impala)

C4

BRN

141

Ignition 3 Voltage

BRN

141

Ignition 3 Voltage

C5

YEL

1127

Trip Computer Class 2 Serial Data (w/o 9C1/9C3/9C6)

C8

ORN

1840

Battery Positive Voltage

C9

DK BLU

49

Driver Door Open Switch Signal

C10

WHT

1310

EVAP Canister Vent Solenoid Control

C11

WHT

17

Stop Lamp Switch Signal

WHT

17

Stop Lamp Switch Signal (Impala)

C12

YEL

343

Accessory Voltage (Monte Carlo)

D1

PPL

1500

Ignition 0 Voltage

PPL

1500

Ignition 0 Voltage

D2

PNK

239

Ignition 1 Voltage

D3

YEL

5

Crank Voltage

D4

BRN

241

Ignition 3 Voltage

BRN

241

Ignition 3 Voltage

D5

DK BLU

1128

SDM Class 2 Serial Data

D8

ORN

1940

Battery Positive Voltage

D9

DK BLU/

WHT

727

Door Open Switch Signal

DK BLU/

WHT

727

Door Open Switch Signal

D10

DK GRN/

WHT

1135

A/T Shift Lock Control Solenoid Supply Voltage (D55)

D11

ORN

267

Heated Mirror/Rear Defog Relay Coil Suppy Voltage (w/o 9C1/9C3/9C6)

D12

--

--

Not Used

E1

DK GRN

500

Ignition 0 Voltage

E2

PPL

806

Crank Voltage

E3

PNK

139

Ignition 1 Voltage

PNK

139

Ignition 1 Voltage

E4

PNK

3

Ignition 1 Voltage

E5

LT GRN

1844

Park Brake Indicator Supply Voltage

E6

TAN/WHT

816

A/T Shift Lock Solenoid Supply Voltage (D55)

E7

--

--

Not Used

E8

ORN

2140

Battery Positive Voltage

ORN

2140

Battery Positive Voltage

E9

RED

242

Battery Positive Voltage

E10

LT BLU

1346

Headlamp Supply Voltage

E11

BLK

1050

Ground

E12

--

--

Not Used

F1

YEL

243

Accessory Voltage

YEL

243

Accessory Voltage

F2

BRN

4

Accessory Voltage

F3

--

--

Not Used

F4

PNK

339

Ignition 1 Voltage

F5

BRN

41

Ignition 1 Voltage

F6

ORN

300

Ignition 3 Voltage

F7

GRY/BLK

1458

Instrument Panel Lamp Supply Voltage - 4

F8

ORN

2140

Battery Positive Voltage

F9

TAN

201

Left Front Speaker Output (+)

F10

GRY

118

Left Front Speaker Output (-)

F11

BLK

707

RAP Relay Coil Supply Voltage

F12

BLK/WHT

1969

Headlamp High Beam Relay Control

Junction Block-Right I/P -- Label


Object Number: 515604  Size: LF

Junction Block-Right I/P Application Table

Fuse/Circuit Breaker

Rating

Description

AUX PWR

20A

Auxiliary Power Outlet or Emergency Vehicle Rear Lamps Flasher (6J7)

BRK SW

15A

Stop Lamp Switch

B/U LP

10A

BACKUP LP Relay

C/LTR

15A

Cigar Lighter

DIC/RKE

10A

BACKUP LP Relay, BATT RUNDOWN PROTECTION RELAY, Driver Information Center (DIC) (U68), Emergency Vehicle Rear Compartment Lid Lamps Relay (T53), HVAC Control Module, Rear Compartment Occupant Sensor (Trap Alert), and Remote Control Door Lock Receiver (RCDLR)

FRT PARK LP

15A

Headlamp-Left, Headlamp-Right, and HVAC Control Module

HAZ SW

15A

Hazard Switch

HTD MIR

10A

Outside Rearview Mirror-Driver, and Outside Rearview Mirror-Passenger

HVAC BLO

25A

Blower Motor Resistor Assembly

I/P BRP

15A

Body Control Module (BCM), Footwell Courtesy Lamp-Left, Footwell Courtesy Lamp-Right and I/P Compartment Lamp

PWR DROP

15A

Auxiliary Power Drop Connector, and OnStar Module (UE1)

PWR SEATS BRKR

30A

Seat Adjuster Switch-Driver (AG1), and Seat Adjuster Switch-Front Passenger (AG2)

RADIO

15A

Audio Amplifier (UQ3), and Radio

REAR DEFOG BRKR

30A

Radio Antenna Module

REAR PRK LP

15A

Headlamp Switch, License Lamp (Monte Carlo), License Lamp-Left (Impala), License Lamp-Right (Impala), Tail Lamp-Left, and Tail Lamp-Right

RH HTD ST

15A

Heated Seat Relay-Front Passenger (KA1)

TRK/ROOF BRP

15A

Auxiliary Dome Lamp (6C7), Dome Lamp (w/o C69), Inside Rearview Mirror, Courtesy/Reading Lamp-Left (C79), Courtesy/Reading Lamp-Right (C79), Rear Compartment Courtesy Lamp, Vanity Mirror Lamp-Left (DH6), and Vanity Mirror Lamp-Right (DH6)

Junction Block-Right I/P -- Top View -- Outside Devices


Object Number: 516686  Size: LF

Junction Block-Right I/P, C2


Object Number: 366000  Size: CH

Connector Part Information

    • 12193908
    • 68-Way F Metri-Pack 280 Series Flexlock (NAT)

Pin

Wire Color

Circuit No.

Function

A1

BLK

884

Left Rear Wheel Speed Sensor Signal

A2

YEL

354

Discriminating Sensor - Signal

A3

RED

885

Left Rear Wheel Speed Sensor Low Reference

A4

GRY

349

Discriminating Sensor - Left - Signal

A5

WHT

883

Right Rear Wheel Speed Sensor Low Reference

A6

BLK

1051

Ground (UQ3)

BLK

1051

Ground (UQ3/UE1)

A7

GRY

295

Door Lock Actuator Lock Control

GRY

295

Door Lock Actuator Lock Control (Impala)

A8

WHT

1487

Antenna Enable Signal

WHT

1487

Antenna Enable Signal (UQ3)

A9

YEL

343

Accessory Voltage (Monte Carlo)

A9

DK BLU

1307

Power Window Master Switch Lockout Signal (Impala w/o 6N5)

A10

GRY

157

Interior Lamp Control

A11

DK BLU/

WHT

149

Courtesy Lamp Supply Voltage

DK BLU/

WHT

149

Courtesy Lamp Supply Voltage

A12

ORN/BLK

2840

Battery Positive Voltage (w/o 9C1/9C3/9C6)

B1

GRY

120

Fuel Pump Supply Voltage

B2

DK BLU/

WHT

727

Door Open Switch Signal

DK BLU/

WHT

727

Door Open Switch Signal (Impala)

B3

YEL

18

Left Rear Stop/Turn Lamp Supply Voltage (Impala)

B4

GRY

2537

Trunk Ajar Switch Signal (w/o 9C1/9C3/9C6)

B4

RED/BLK

744

Trunk Ajar Switch Signal (9C1/9C3/9C6)

B5-B6

--

--

Not Used

B7

DK BLU

46

Right Rear Speaker Output (+)

B8

LT BLU

115

Right Rear Speaker Output (-)

B9

DK BLU

1307

Power Window Master Switch Lockout Signal (Impala)

B10

ORN

267

Heated Mirror/Rear Defog Relay Coil Suppy Voltage (w/o 9C1/9C3/9C6)

B11

DK GRN

117

Right Front Speaker Output (-)

B12

YEL

116

Left Rear Speaker Output (-)

C1

BLK/WHT

1251

Ground

C2

GRY

8

Instrument Panel Lamp Supply Voltage - 1

C3

BLK

808

Low Reference

BLK

808

Low Reference

C4

TAN

294

Door Lock Actuator Unlock Control

TAN

294

Door Lock Actuator Unlock Control (Impala)

C5

--

--

Not Used

C8

GRY/BLK

2709

5 Volt Reference

C9

LT GRN/

BLK

735

Ambient Air Temperature Sensor Signal (w/o 9C1/9C3/9C6)

C10

DK GRN

19

Right Rear Stop/Turn Lamp Supply Voltage (Impala)

C11

LT GRN

200

Right Front Speaker Output (+)

C12

BRN

199

Left Rear Speaker Output (+)

D1

LT BLU

1344

Trunk Release Control

D2

ORN

480

Heated Seats Supply Voltage (w/o 9C1/9C3/9C6)

ORN

480

Heated Seats Supply Voltage (w/o 9C1/9C3/9C6)

D3

--

--

Not Used

D4

ORN

1640

Battery Positive Voltage (w/o 9C1/9C3/9C6)

D5

BARE

814

Drain Wire (UE1)

D8

PPL

1589

Fuel Level Sensor Signal

D9

ORN

2440

Battery Positive Voltage (w/o 9C1/9C3/9C6)

D10

LT GRN

24

Backup Lamp Supply Voltage

LT GRN

24

Backup Lamp Supply Voltage (w/o 9C1/9C3/9C6)

D11

DK GRN

890

Fuel Tank Pressure Sensor Signal

D12

ORN/BLK

781

Door Lock Switch Signal

E1

BRN

882

Right Rear Wheel Speed Sensor Signal

E2

DK GRN

1927

Radio Antenna/Rear Window Defog Control Module Supply Voltage

E3

--

--

Not Used

E4

ORN

340

Battery Positive Voltage

E5

BRN/WHT

301

Park Lamp Switch On Signal

E6

BLK/WHT

372

Remote Radio Audio Output (-) (UE1)

E7

DK GRN/

WHT

368

Remote Radio Right Audio Signal (UE1)

E8

ORN

2340

Battery Positive Voltage

E9

ORN

2440

Battery Positive Voltage

E10-E11

--

--

Not Used

E12

LT GRN

262

Driver Door Key Switch Signal (w/o 9C1/9C3/9C6)

F1

--

--

Not Used

F2

ORN

2640

Battery Positive Voltage (UQ3)

F3-F5

--

--

Not Used

F6

PPL

1807

Class 2 Serial Data (UE1)

F7

--

--

Not Used

F8

ORN

2340

Battery Positive Voltage

F9

--

--

Not Used

F10

ORN

2540

Battery Positive Voltaged (UE1)

F11-F12

--

--

Not Used

Junction Block-Right I/P -- Bottom View -- Inside Devices


Object Number: 516688  Size: LF

Junction Block-Right I/P, C1


Object Number: 362761  Size: CH

Connector Part Information

    • 12193906
    • 68-Way F Metri-Pack 280 Series Flexlock (BLK)

Pin

Wire Color

Circuit No.

Function

A1-A2

--

--

Not Used

A3

GRY

157

Interior Lamp Control

A4

DK BLU

1307

Power Window Master Switch Lockout Signal (Impala)

A4

YEL

343

Accessory Voltage (Monte Carlo)

A5

WHT

1487

Antenna Enable Signal

A6

GRY

295

Door Lock Actuator Lock Control

A7

BLK

1051

Ground (w/o 9C1/9C3/9C6)

A8

WHT

883

Right Rear Wheel Speed Sensor Low Reference

A9

GRY

349

Discriminating Sensor - Left - Signal

A10

RED

885

Left Rear Wheel Speed Sensor Low Reference

A11

YEL

354

Discriminating Sensor - Signal

A12

BLK

884

Left Rear Wheel Speed Sensor Signal

B1

YEL

116

Left Rear Speaker Output (-)

B2

DK GRN

117

Right Front Speaker Output (-)

B3

ORN

267

Heated Mirror/Rear Defog Relay Coil Suppy Voltage (w/o 9C1/9C3/9C6)

B4

--

--

Not Used

B5

LT BLU

115

Right Rear Speaker Output (-)

B6

DK BLU

46

Right Rear Speaker Output (+)

B7

PPL

2232

Amplifier Signal (Monte Carlo)

B8

DK BLU/

WHT

148

Courtesy Lamp Supply Voltage

DK BLU/

WHT

148

Courtesy Lamp Supply Voltage

B9

RED/BLK

744

Trunk Ajar Switch Signal

B10

YEL

18

Left Rear Stop/Turn Lamp Supply Voltage (Impala)

B11

DK BLU/

WHT

727

Door Open Switch Signal

B12

GRY

120

Fuel Pump Supply Voltage

C1

BRN

199

Left Rear Speaker Output (+)

C2

LT GRN

200

Right Front Speaker Output (+)

C3

DK GRN

19

Right Rear Stop/Turn Lamp Supply Voltage (Impala)

C4

LT GRN/

BLK

735

Ambient Air Temperature Sensor Signal (w/o 9C1/9C3/9C6)

C5

GRY

2709

5 Volt Reference

C8

DK BLU/

WHT

148

Courtesy Lamp Supply Voltage

DK BLU/

WHT

148

Courtesy Lamp Supply Voltage

C9

TAN

294

Courtesy Lamp Supply Voltage

C10

BLK

808

Low Reference

C11

GRY

8

Instrument Panel Lamp Supply Voltage - 1

C12

BLK/WHT

1251

Ground

D1

ORN/BLK

781

Door Lock Switch Signal

D2

DK GRN

890

Fuel Tank Pressure Sensor Signal

D3

--

--

Not Used

D4

ORN

2440

Battery Positive Voltage

D5

PPL

1589

Fuel Level Sensor Signal

D8

BARE

814

Drain Wire (w/o 9C1/9C3/9C6)

D9

ORN

1640

Battery Positive Voltage (w/o D55)

D10

WHT

193

Rear Defog Relay Control

D11

ORN

480

Load Management Control

D12

LT BLU

1344

Trunk Release Control

E1

LT GRN

262

Driver Door Key Switch Signal (w/o 9C1/9C3/9C6)

E2

--

--

Not Used

E3

DK BLU

38

Backup Lamp Relay Control

E4

ORN

2440

Battery Positive Voltage (w/o 9C1/9C3/9C6)

E5

--

--

Not Used

E6

DK GRN/

WHT

368

Remote Radio Audio Signal (w/o 9C1/9C3/9C6)

E7

BLK/WHT

372

Remote Radio Audio Output (-) (w/o 9C1/9C3/9C6)

E8

BRN/WHT

301

Park Lamp Switch On Signal

E9

ORN

340

Battery Positive Voltage (w/o D55)

E10

ORN

1240

Battery Positive Voltage

E11

--

--

Not Used

E12

BRN

882

Right Rear Wheel Speed Sensor Signal

F1

WHT

1080

Park Lamp Relay Control

F2

RED

342

Battery Positive Voltage

F3

ORN

2540

Battery Positive Voltage

F4

DK BLU

1393

Interior Lamp Relay Coil Control

F5

--

--

Not Used

F6

ORN

440

Battery Positive Voltage

F7

PPL

1807

Class 2 Serial Data-Primary (w/o 9C1/9C3/9C6)

PPL

1807

Class 2 Serial Data-Primary (w/o 9C1/9C3/9C6)

F8

ORN

540

Battery Positive Voltage

F9

RED

742

Battery Positive Voltage

F10

RED

1042

Battery Positive Voltage

F11

ORN

2640

Battery Positive Voltage

F12

YEL

32

Instrument Panel Lamp Fuse Supply Voltage - 1

YEL

32

Instrument Panel Lamp Fuse Supply Voltage - 1