GM Service Manual Online
For 1990-2009 cars only

IP Fuse Block (Rear View)


Object Number: 299483  Size: MF

Pin

Wire Color

Circuit No.

Function

A2

BRN

4

Ignition Switch Output Accessory

A3

YEL

343

Fuse Output Accessory Type 3 Fuse

A6

RED

142

Fuse Output Battery Type 2 Fuse

A7

ORN

540

Fuse Output Battery Type 3 Fuse

B2--B4

--

--

Not Used

B6

RED

142

Fuse Output Battery Type 2 Fuse

B8

--

--

Not Used

C1

ORN

1140

Fuse Output Battery Type 3 Fuse

C3

ORN

640

Fuse Output Battery Type 3 Fuse

C5

ORN

840

Fuse Output Battery Type 3 Fuse

C7

ORN

140

Fuse Output Battery Type 3 Fuse

D2

WHT

1390

Ignition Switch Output Off, Run, Crank

D4

DK GRN

44

Instrument Panel Lamps Dimmer Switch Output

D6

PPL

806

Fuse Output Crank Type 3 Fuse

D8

PPL

293

Rear Defogger Element Feed

E1

PNK

1020

Fuse Output Off, Run, Crank, Type 3 Fuse

E3

YEL

5

Ignition Switch Output Crank

E7

ORN

2267

Heated Mirror Output

F2--F4

--

--

Not Used

F6

RED

42

Fuse Output Battery Type 2 Fuse

F8

--

--

Not Used

G1

ORN

1740

Fuse Output Battery Type 3 Fuse

G3

ORN

340

Ignition Switch Output Ignition 3

G5

ORN

240

Fuse Output Battery Type 3 Fuse

G7

ORN

40

Fuse Output Battey Type 3 Fuse

H2--H4

--

--

Not Used

H6

PNK

3

Ignition Switch Output Ignition 1

H8

--

--

Not Used

J1

--

--

Not Used

J3

PNK

139

Fuse Output Ignition 1 Type 3 Fuse

J5

YEL

1139

Fuse Output Ignition 1 Type 3 Fuse SIR

J7

PNK

39

Fuse Output Ignition 1 Type 3 Fuse

K2

--

--

Not Used

K4

BRN

4

Ignition Switch Output Accessory

K6

--

--

Not Used

K8

PPL

293

Rear Defogger Element Feed

L1

WHT

393

Rear Window Wiper Motor Feed

L3

YEL

43

Fuse Output Accessory Type 3 Fuse

L5

YEL

143

Fuse Output Accessory Type 3 Fuse

L7

PPL

1093

Right Rear Tail Lamp

M2--M4

--

--

Not Used

M6

ORN

300

Ignition Switch Output Ignition 3

M8--N1

--

--

Not Used

N3

BRN

441

Fuse Output Ignition 3 Type 3 Fuse

N5

BRN

141

Fuse Output Ignition 3 Type 3 Fuse

N7

BRN

41

Fuse Output Ignition 3 Type 3 Fuse

IP Fuse Block (Front View)


Object Number: 299488  Size: MF

Name

Fuse Number

Size

Circuit

Loads

STOP/HAZ

1

20A Fuse

140

TCC/Stoplamp Switch, Turn/Hazard Switch, Audio Alarm Module

CTSY

3

20A Fuse

40

Courtesy Lamps, Dome/Reading Lamps, IP Compartment Lamp, Vanity Mirrors, Power Mirrors

GAUGES

4

10A Fuse

39

Compass/Temperature Module, Audio Alarm Module, IP Cluster, H/L Switch, DRL Module and Relay, Remote Control Door Lock Receiver

CRUISE

6

10A Fuse

41(2)

Cruise Control Module and Switch

AUX PWR

7

25A Fuse

840

Auxiliary Power Outlets, Sub-Woofer Amplifier, DLC

CRANK

8

10A Fuse

5

Ignition Switch Output Crank

PK LPS

9

20A Fuse

240

Headlamp and Panel Dimmer Switch

AIR BAG

10

10A Fuse

1139

SDM

WIPER

11

25A Fuse

143

Front Wiper Motor and Switch

HTR-A/C

12

20A Fuse

141

Upfitter Accessory Relay, A/C Relay (Rear), Temperature Control Motor

CIG LTR

13

20A Fuse

640

LH and RH Lower Door Lock Switches, Cigarette Lighter

ILLUM

14

10A Fuse

8

IP Cluster, HVAC Controls, RR HVAC Controls, IP Switches, Radio Illumination, Audio Alarm Module, Overhead Console

DRL

15

20A Fuse

340

DRL Diode

TURN-B/U

16

20A Fuse

139(2)

Turn/Hazard Switch, Park/Neutral Position and Back-up Switch

RADIO

17

10A  Fuse

43(2)

Radio, Rear Radio Control Module

BRAKE

18

10A  Fuse

441

BPSS/Stoplamp Switch, BPMV, VCM

RADIO BATT

19

10A  Fuse

1140

Radio (Battery)

TRANS

20

10A  Fuse

1020(2)

IP Cluster, Transmission

SEC/STRG

21

10A  Fuse

1740

Theft Deterrent

RR Wiper

23

20A  Fuse

393

Rear Window Wiper/Washer Switch

PWR ACCY

A

30A C/B

540

Power Door Lock, 6-Way Power Steering, Keyless Entry Module, Liftgate Module

WINDOWS

B

30A C/B

343

Power Windows

Figure 1:

Underhood Fuse-Relay Center (Rear View)


Object Number: 498114  Size: MF
Figure 2:

Underhood Fuse-Relay Center (Front View)


Object Number: 499804  Size: LF

Underhood Fuse-Relay Center

Name

Cavity Number

Size

Circuit

Loads

 

M1-N1

   

RR HEAT/A/C

M2-N2

30A Maxi Fuse

742

A/C Relay (Rear)

A/C

M3-N3

30A Maxi Fuse

542

Blower Motor Resistor and High Blower Relay

ABS

M4-N4

60A Maxi Fuse

442

Electronic Brake Control Module (EBCM)

IGN-B

M5-N5

40A Maxi Fuse

342

IGN-B Switch to IP Fuse Block Bus Bars

IGN-A

M6-N6

40A Maxi Fuse

242

IGN-A Switch to IP Fuse Block Bus Bar, Park/Neutral Position and Back-up Lamp Switch, Underhood Fuse-Relay Center Bus Bar

BATT

M7-N7

50A Maxi Fuse

142

IP Fuse Block Bus Bar, Lock/Seats Circuit Breaker

LIGHTING

M8-N8

40A Maxi Fuse

42

Headlamp and Panel Dimmer Switch, IP Fuse Block Bus Bar

A/C COMP

K11-L12

10A Fuse

1240

A/C Enable Relay

HORN

H11-J12

20A Fuse

740

Horn Relay

ECM-B

F11-G12

20A Fuse

440

Fuel Pump Relay, VCM, Oil Pressure Switch and Sender

REAR DEFOG

F9-G10

30A Fuse

1440

RR Defog

ECM-I

K7-L8

20A Fuse

439

Fuel Injectors, VCM, Crankshaft Position Sensor, Distributor Ignition Control Module

IGN-E

H7-J8

10A Fuse

639

A/C Enable Relay

ENG-I

F7-G8

20A Fuse

539

All Oxygen Sensor, VCM, MAF Sensor, Camshaft Position Sensor, Linear EGR Valve Solenoid, EVAP Emission Canister Purge Solenoid Valve

A/C CLUTCH

L4-K3

Diode-I

850-59(2)

A/C Enable Relay, A/C Compressor Clutch

BRAKE

L2-K1

Diode-II

33-680

Electronic Brake Control Module (EBCM)

--

Stud "A"

30A

1842

Upfitter Ignition Power Stud

--

Stud "B"

30A

1742

Upfitter Battery Power Stud

UPFIT-BATT

P8-R8

30A Maxi Fuse

1742

Portable/Installed By Upfitter

UPFIT-IGN

P7-R7

30A Maxi Fuse

1842

Portable/Installed by Upfitter

Starter Enable Relay

B4

Mini Relay

6

Starter Solenoid Feed

A/C Relay (Rear)

B7

Mini Relay

1923

Auxiliary HVAC Switch Feed

Fuel Pump Relay

D1

Micro Relay

440

Fuse Output - Battery - Type III Fuse

A/C Enable Relay

D4

Micro Relay

59

Air Conditioning Compressor Clutch Solenoid Feed

IGN Relay

E7

Mini Relay

1839

Fuse Output - Ignition 1 - Type III Fuse

Figure 3:

Convenience Center (Front View)


Object Number: 374529  Size: LF
(1)Not Used
(2)C222 (Power Seat)
(3)C206 (Trailer Harness)
(4)C209
(5)Spare
(6)C210 (Upfitter Power Feed)
(7)Spare
(8)C218 (Rear A/C)
(9)C224 (Active Transfer Case)
(10)C207 (Overhead Console)
(11)C219 (Rear Heater)
Figure 4:

Convenience Center (Rear View)


Object Number: 299498  Size: MF

Convenience Center

Cavity

Gauge/Color

Circuit

Description

A

3.0 RED

742

Transfer harness battery feed

B

3.0 PNK

1839

Upfitter ignition power stud

C1

0.5 GRY

8

Rear heater switch illumination

C2

0.5 BLK

750

Rear heater switch ground

C3

3.0 ORN

1923

Rear heater switch supply

C4

1 GRY/BLK

1596

Heater and A/C control valve solenoid

C6

3.0 RED

1742

Upfitter battery power stud

C7

2.0 ORN

540

Power seat adjuster switches feed

C8

2.0 BLK

750

Power seat motors ground

C9

3.0 RED

1742

Upfitter battery power stud

D1

0.5 GRY

8

Compass and temperature display module

D2

0.8 PPL/WHT

1382

Compass and temperature display module

D3

0.5 PNK

39

Compass and temperature display module power supply

D5

0.5 LT GRN/BLK

735

Ambient air temperature sensor

D6

0.5 DK GRN

389

Speed signal

D7

0.8 ORN

40

Vanity lamps

D8

0.8 BLK

750

Vanity lamps ground

D9

1 ORN

640

Upfitter ignition output

F1

0.5 GRY

8

Rear A/C switch illumination

F2

0.5 BLK

750

Rear A/C switch ground

F3

3.0 ORN

1923

Rear A/C switch supply

F5

0.8 LT BLU

195

Upfitter door lock

F6

0.8 WHT

194

Upfitter door unlock

G1

0.5 LT GRN/BLK

592

DRL relay coil

G2

0.8 PPL

359

DRL relay ground

G3

0.8 YEL

634

Daytime running lamps relay

G4

0.8 ORN

740

Horn relay coil feed

G6

0.8 DK GRN

29

Horn relay output

G8

0.5 BLK

550

Turn/hazard flasher ground

H1

0.8 TAN

12

DRL relay supply

H3

0.5 PNK

39

Daytime running lamps relay

H4

0.8 ORN

740

Horn relay contact feed

H6

0.5 BLK

28

Horn switch

H7

1.0 PPL

16

Turn/hazard flasher module output

H9

1.0 LT GRN

62

Turn/hazard flasher module feed

J1

0.5 GRY

8

Audio alarm module lamps on input

J2

0.8 ORN

140

Audio alarm module power input

J3

0.5 LT GRN

80

Audio alarm module key-in warning

K1

0.8 BLK/WHT

238

Audio alarm module safety belt input

K2

0.5 BLK

550

Audio alarm module ground

K3

0.5 YEL

234

Audio alarm module fasten belts output

K4

0.5 PNK

39

Audio alarm module