GM Service Manual Online
For 1990-2009 cars only
Table 1: Fuse Block--IP Label Usage
Table 2: Fuse Block--IP Wire Entry
Table 3: Fuse Block--Underhood Label Usage
Table 4: Fuse Block--Underhood Wire Entry

Fuse Block--IP Label


Object Number: 847482  Size: MF

Fuse Block--IP Label Usage

Fuse/Circuit Breaker

Rating

Description

TURN-B/U Fuse

10A

Turn Signal/Hazard Flasher Module, Back Up Lamp Switch (MM5), and PNP Switch (MX0/MX1)

ERLS Fuse

10A

A/C Relay (W/A/C), A/T Shift Lock Solenoid (MX0/MX1), Automatic Transaxle (MX0/MX1), Cruise Control Release Switch (W/K34), EVAP Canister Purge Soleniod, EVAP Canister Vent Soleniod, and Stop Lamp Switch (All MM5 or MX0/MX1 W/O K34)

BCM/CLU Fuse

10A

BCM and IPC

PCM Fuse

10A

PCM

IGN MDL Fuse

20A

ICM

F/P-INJ Fuse

15A

FUEL PUMP Relay

AIR BG Fuse

15A

SDM

CRUISE Fuse (w/K34)

10A

CCM and Cruise Control On/Off Switch Assembly

ABS Fuse

10A

EBCM

APO

20A

Auxiliary Power Outlet

RFA BATT Fuse

15A

BCM

MIRROR Fuse

10A

Outside Rearview Mirror Switch

LT HDLP Fuse

15A

RELAY DRL Relay

RDO/INTLP Fuse

10A

BCM and Radio

RT HDLP Fuse (Domestic)

15A

Headlamp-Right

FLS/PASS (Export)

20A

Multifunction Turn Signal Switch

CLSTR Fuse

10A

BCM and IPC

EXT LP Fuse

20A

Multifunction Turn Signal Switch

CIG Fuse

20A

Cigar Lighter and DLC

FOG Fuse

10A

Fog Lamp Relay

HORN Fuse

15A

Horn Relay

STOP/HZD Fuse

20A

Stop Lamp Switch and Turn Signal/Hazard Flasher Module

RR DEFOG Fuse

30A

HVAC Control Assembly

PWR ACC Fuse

15A

Door Lock Swicth-Front Passenger, Door Lock Swicth-Driver and Door Lock/Unlock Relay (AUO)

O2 HTR Fuse

10A

HO2S Sensor 2

HVAC Fuse

10A

HVAC Control Assembly and License Lamp Assembly (Pontiac Only)

WIPER Fuse

25A

Windshield Wiper Motor Assembly and Windshield Wiper Switch Assembly

BCM Fuse

10A

BCM

AMPL

20A(U85) 10A (UQ3)

Amplifier

PWR WDO Circuit Breaker

25A

Master Window Switch and Sunroof Control Module

RELAY DRL Relay

--

Headlights/Daytime Running Lights (DRL)

HDLP Circuit Breaker (Export)

20A

Multifunction Turn Signal Switch

FUSE PULLER

--

--

Fuse Block--IP Top View


Object Number: 847483  Size: LF

Fuse Block--IP Bottom View


Object Number: 823102  Size: LF

Fuse Block--IP Wire Entry

Connector Part Information

    • 15358661
    • 66-way F Fuse Block (BLK)

Pin

Wire Color

Circuit No.

Function

A1

--

3

Ignition 1 Voltage Bus

A2

PNK

539

Ignition 1 Voltage

PNK

539

Ignition 1 Voltage

A3

--

3

Ignition 1 Voltage Bus

A4

PNK

439

Ignition 1 Voltage

A5

--

3

Ignition 1 Voltage Bus

A6

PNK

39

Ignition 1 Voltage

PNK

39

Ignition 1 Voltage

A7

PNK

3

Ignition 1 Voltage

A8

PNK

639

Ignition 1 Voltage (Cheverolet)

PNK/WHT

639

Ignition 1 Voltage (Pontiac)

A9

--

3

Ignition 1 Voltage Bus

A10

PNK

239

Ignition 1 Voltage

B1

--

3

Ignition 1 Voltage Bus

B2

PNK

839

Ignition 1 Voltage

B3

--

3

Ignition 1 Voltage Bus

B4

YEL

1139

Ignition 1 Voltage

B5

PNK

3

Ignition 1 Voltage

B6

PNK

339

Ignition 1 Voltage

PNK

339

Ignition 1 Voltage

B7

--

3

Ignition 1 Voltage Bus

B8

PNK

739

Ignition 1 Voltage

B9

ORN

1640

Battery Positive Voltage

B10

RED

642

Battery Positive Voltage

C1

--

442

Battery Positive Voltage Bus

C2

ORN

1940

Battery Positive Voltage

C3

--

442

Battery Positive Voltage Bus

C4

ORN

1040

Battery Positive Voltage

C5

--

442

Battery Positive Voltage Bus

C6

ORN

740

Battery Positive Voltage

ORN

740

Battery Positive Voltage

C7

RED

442

Battery Positive Voltage

C8

ORN

340

Battery Positive Voltage

ORN

340

Battery Positive Voltage

C9

--

442

Battery Positive Voltage Bus

C10

ORN

640

Battery Positive Voltage

D1

--

442

Battery Positive Voltage Bus

D2

ORN

1440

Battery Positive Voltage

ORN

1440

Battery Positive Voltage

D3

--

442

Battery Positive Voltage Bus

D4

ORN

240

Battery Positive Voltage

D5

--

442

Battery Positive Voltage Bus

D6

ORN

40

Battery Positive Voltage

ORN

40

Battery Positive Voltage

D7

RED

442

Battery Positive Voltage

D8

ORN/BLK

1140

Battery Positive Voltage

D9

--

442

Battery Positive Voltage Bus

D10

ORN

1540

Battery Positive Voltage

ORN

1540

Battery Positive Voltage

E1-E4

--

--

Not Used

E5

RED

642

Battery Positive Voltage

E6

ORN

140

Battery Positive Voltage

ORN

140

Battery Positive Voltage

E7-E10

--

--

Not Used

F1

RED

642

Battery Positive Voltage

F2

ORN

1340

Battery Positive Voltage

F3

--

642

Battery Positive Voltage Bus

F4

ORN

1240

Battery Positive Voltage

F5-F10

--

--

Not Used

G1

ORN

300

Ignition 3 Voltage

G2

BRN

241

Ignition 3 Voltage

G3

--

300

Ignition 3 Voltage Bus

G4

BRN

41

Ignition 3 Voltage

BRN

41

Ignition 3 Voltage

G5-G10

--

--

Not Used

H1

BRN

4

Accessory Voltage

H2

YEL

143

Accessory Voltage

YEL

143

Accessory Voltage

H3

--

4

Accessory Voltage Bus

H4

YEL

43

Accessory Voltage

H5-H10

--

--

Not Used

J1-J2

--

--

Not Used

J3

RED

442

Battery Positive Voltage

J4

ORN

440

Battery Positive Voltage

J5-J10

--

--

Not Used

K1

--

--

Not Used

K2

--

442

Battery Positive Voltage Bus

K3

ORN

740

Battery Positive Voltage -- Export Only

L1

ORN

740

Battery Positive Voltage -- Domestic Only

L2

--

--

Not Used

L3

DK BLU

593

DRL Headlamp High Beam Supply Voltage -- Domestic Only

M1

BLK

150

Ground -- Domestic Only

M2

ORN

740

Battery Positive Voltage -- Domestic Only

M3

LT GRN/BLK

592

DRL RelayControl -- Domestic Only

N1

BRN

141

Ignition 3 Voltage

BRN

141

Ignition 3 Voltage

N2

ORN

300

Ignition 3 Voltage

Fuse Block--Underhood Label


Object Number: 792524  Size: SF

Fuse Block--Underhood Label Usage

Fuse/Circuit Breaker

Rating

Description

IGN Fuse

50A

Ignition Switch

BATT 1 Fuse

40A

IP Fuse Block MIRROR, RT HDLP (Domestic), FLS/PASS (Export), RDO/INTLP, RFA BATT, AMPL, CIG, HORN, LT HDLP CLSTR, EXT LP, FOG Fuses and HDLP Circuit Breaker (Export Only)

BATT 2 Fuse

40A

CRANK Relay, and IP Fuse Block RR DEFOG, PWR ACC, and STOP/HZD Fuses

ABS Fuse

50A

EBCM

COOLING FAN Fuse

30A

COOLING FAN Relay

PCM/HVAC Fuse

50A

A/C, BLO, and PCM Fuses

TACH

--

Not Used

CRNK Fuse

10A

CRANK Relay (MM5) or PNP Switch (MX0)

BLO Fuse

30A

HEATER BLOWER Relay

PCM Fuse

10A

PCM

A/C Fuse

10A

A/C Relay

A/C Relay

--

A/C Compressor Clutch and A/C Compressor Clutch Diode

FUEL PUMP Relay

--

Fuel Injectors and Fuel Pump

CRANK Relay

--

Starter Soleniod

COOLING FAN Relay

--

Cooling Fan Motor

HEATER BLOWER Relay

--

Blower Motor

Fuse Block--Underhood Top View


Object Number: 823233  Size: SF

Fuse Block--Underhood Bottom View


Object Number: 823234  Size: SF

Fuse Block--Underhood Wire Entry

Connector Part Information

    • 12177189
    • ELEC CTR U/H

Pin

Wire Color

Circuit No.

Function

A1

--

--

Not Used

A2

BLK

64

Blower Motor Relay Supply Voltage

A3

--

--

Not Used

A4

ORN

540

Battery Positive Voltage

A5-A9

--

--

Not Used

A10

DK GRN

335

Cooling Fan Relay Control

A11

--

--

Not Used

A12

RED

542

Battery Positive Voltage

A13

--

--

Not Used

A14

BLK

150

Ground

A15

--

--

Not Used

A16

RED

642

Battery Positive Voltage

A17

BLK/WHT

451

Ground

A18

--

--

Not Used

A19

GRY

120

Fuel Pump Supply Voltage

A20

DK GRN/ WHT

459

A/C Compressor Clutch Relay Control

A21

--

--

Not Used

A22

ORN

440

Battery Positive Voltage

A23

--

--

Not Used

A24

--

1

Battery Positive Voltage Bus

A25

ORN

440

Battery Positive Voltage

A26

RED

1

Battery Positive Voltage

A27

ORN

480

Battery Positive Voltage

A28

--

1

Battery Positive Voltage Bus

A29

ORN

540

Battery Positive Voltage

A30

--

1

Battery Positive Voltage Bus

B1

--

--

Not Used

B2

PPL

65

Blower Motor Supply Voltage

B3

--

--

Not Used

B4

BRN

150

Ground

B5-B9

--

--

Not Used

B10

LT BLU

409

Cooling Fan Motor Supply Voltage

B11

--

--

Not Used

B12

RED

542

Battery Positive Voltage

B13

--

--

Not Used

B14

PPL

6

Starter Soleniod Crank Voltage

B15

--

--

Not Used

B16

PPL/WHT

1035

Starter Relay Coil Supply Voltage (MX0)

PPL

806

Crank Voltage (MM5)

B17

PNK

839

Ignition 1 Voltage

B18

--

--

Not Used

B19

DK GRN/WHT

465

Fuel Pump Relay Control

B20

DK GRN

59

A/C COmpressor Clutch Supply Voltage

B21

--

--

Not Used

B22

PNK

439

Ignition 1 Voltage

B23-B24

--

--

Not Used

B25

PPL

806

Crank Voltage

B26

YEL

5

Crank Voltage (MX0)

B26

PPL/WHT

1035

Starter Relay Coil Supply Voltage (MM5)

B27-B30

--

--

Not Used

C1-C30

--

--

Not Used

D1

RED

1

Battery Positive Voltage

D2

RED

542

Battery Positive Voltage

RED

542

Battery Positive Voltage

D3

RED

342

Battery Positive Voltage

D4

RED

642

Battery Positive Voltage

D5

RED

442

Battery Positive Voltage

D6

RED

242

Battery Positive Voltage

E1

--

1

Battery Positive Voltage Bus

E2

--

1

Battery Positive Voltage Bus

E3

--

1

Battery Positive Voltage Bus

E4

--

1

Battery Positive Voltage Bus

E5

--

1

Battery Positive Voltage Bus

E6

--

1

Battery Positive Voltage Bus

F1

--

1

Battery Positive Voltage Bus