Heated Seats

M1-N1

40A

742

Heated seats

Air Conditioning (A/C)

M3-N3

50A Maxi Fuse

542

High blower motor relay and rear blower relay (Suburban)

Antilock Brakes (ABS)

M4-N4

60A Maxi Fuse

442

Electronic brake control module (EBCM)

Ignition-B

M5-L5

50A Maxi Fuse

342

Ignition-B switch go to fuse block bus bars

Ignition A

M6-N6

40A Maxi Fuse

242

Ignition-A switch go to fuse block bus bar

Battery

M7-N7

50A Maxi Fuse

142

Fuse block bus bar, battery

Lighting

M8-N8

50A Maxi Fuse

42

Headlamp and panel dimmer switch, fog and courtesy fuse

A/C Compressor

K11-L12

10A Fuse

1240

A/C press switch to A/C clutch

Horn

H11-J12

20A Fuse

740

Horn relay, underhood lamps

Engine Control Module - B

F11-G12

20A Fuse

440

Fuel pump, powertrain control module (PCM)/vehicle control module (VCM)

Auxiliary Fan

J10-H9

30A Fuse

1540

Auxiliary fan

Right Rear Defogger

G10-F9

30A Fuse

1440

Right rear defogger

Engine Control Module - 1

K7-L8

20A Fuse

539

Canister purge, heated oxygen sensors, fuel heater, water sensor, camshaft position sensor, mass airflow sensor

Engine Control Module - 1

J8-H7

20A Fuse

439

Injectors, PCM/VCM, ignition coil and module, engine shut off solenoid, fuel solenoid driver, crankshaft position sensor

Ignition - E

G8-F7

10A Fuse

639

A/C compressor relay, fuel module

Fuel Solenoid

F5-G6

20A Fuse

639, 339

Fuel solenoid, diesel engine

Glow Plugs

G4-F3

10A Fuse

507/503

Glow plugs

Diode-1

L2-K1

Brake

33-680

EBCM

Stud "A"

R7-P7

30A

-

Auxiliary  A

Stud "B"

R8-P8

30A

-

Camper/trailer wiring

Front Heated Seats

H5-J6

20A

1840

Heated seat module

Rear Heated Seats

K5-L6

20A

1940

Heated seat module

Stop/Hazard

1

20A Fuse

140

Torque clutch convertor (TCC)/stoplamp switch, audio alarm module, center high mounted stoplamp (CHMSL), hazard lamps, stoplamps

T Case

2

20A Fuse

1640

Electric transfer case feed, automatic temperature control (ATC)

Courtesy

3

20A Fuse

40

Courtesy lamps, cargo lamp, instrument panel (IP) compartment lamp dome/reading lamps, vanity mirrors, power mirrors

Gauges

4

10A Fuse

39

Audio alarm module, IP cluster, transfer case select switch, remote control door lock receiver, headlamp switch, transfer case control module, inside mirror, vehicle speed sensor buffer

Right Rear HVAC

5

10A Fuse

341

Right rear HVAC controls (Utility and Suburban only

Cruise

6

10A Fuse

41

Cruise control module and switch

Auxiliary Power

7

25A Fuse

840

Data link connector (DLC)

Crank

8

10A Fuse

806

Park/neutral position switch

Park Lamps

9

20A Fuse

240

License lamp, park lamp, tail lamp, ashtray lamp, tailgate lamp, panel lamps, trailer tail lamps, front side markets, door switch illuminator, fender lamps, high/low switch illuminator

Air Bag

10

10A Fuse

1139

Inflatable restraint control module (SIR)

Wiper

11

25A Fuse

143

Windshield wiper/washer switch, wiper motor

Heater (HTR) - A/C

12

25A Fuse

141

HVAC control module, temperature door motor

Cigar Lighter

13

20A Fuse

640

Power amplifier, rear liftgate, door lock switch and relay, power lumbar seat

Illuminator

14

10A Fuse

8

HVAC controls, right rear HVAC controls, IP switches, inflatable restraint IP module, radio illuminator, convenience center, audio alarm module, 4WD indicator lamp, instrument cluster

Turn - Backup

16

20A Fuse

139

Front turn, right rear turn, trailer turn, backup lamps, BTSI solenoid, hazard flasher

Radio

17

10A Fuse

43

Radio (ignition), cigar lighter

Brake

18

10A Fuse

441

4WAL/VCM, ABS, stoplamp switch

Radio, Battery

19

10A Fuse

1140

Radio (battery), cigar lighter

Transmission

20

10A Fuse

1020

Transmission controls, instrument cluster

Right Rear Wiper

23

25A Fuse

393

Rear wiper/washer switch

Four Wheel Drive (4WD)

24

20A Fuse

241

Front axle ACT, 4WD indicator lamp, spare power source, auxiliary battery relay

Power ACCY

A

30A C/B

540

Power door lock, 6-way power steering, keyless entry module, door lock relay

Power Windows

B

30A C/B

343

Power windows

A

5.0 Red

542

B+ right rear blower (Suburban)

B

1.0 BRN

341

Ignition 3 right rear HVAC

C4

-

-

Not used

C6

2.0 BLK

150

Bus bar ground, E/C mirrors/roof marker/vanity

C7

0.80 ORN

40

Vanity feed

C8-C9

-

-

Not used

D1

1.0 BLK/WHT

1695

4WD indicator

D2

0.80 ORN

640

Power seats B+

D3

2.0 ORN

540

Power door locks B+

D4

2.0 YEL

343

Power window feed

D5

0.80 BLK

1576

Right rear release switch power (Suburban/Utility)

D6

2.0 BLK

150

Ground-window locks/4WD lamp (bus bar with C6)

D7

0.35 PNK

39

Electrochromatic mirror

D8

0.80 LT GRN

24

Electrochromatic mirror

D9

3.0 PPL

293

Right rear defogger

E1

0.50 DK BLU

1926

Blower low

E2

0.50 RED

1925

Right rear blower medium

E3

0.50 WHT

1924

Right rear blower high

E4

1.0 LT BLU

97

Right rear wiper mist/off/low

E5

1.0 GRY

391

Right rear wiper

E6

1.0 DK GRN

392

Right rear washer

F1

0.80 BLK

150

Ground

F2

0.80 ORN

40

B+

F3

1.0 BRN

241

Ignition 3

F4-F6

-

-

Not used

G1-G6

-

-

Not used

G8

0.80 BLK

150

Hazard flasher ground

H1

-

-

Not used

H3

-

-

Not used

H4

-

-

Not used

H6

-

-

Not used

H7

1.0 PPL

1697

Turn signal flasher output

H8

1.0 GRY

1696

Antilock brakes (ABS)

H9

1.0 LT BLU

1508

Electronic flasher feed

J1

0.35 GRY

8

Instrument panel lamps

J2

0.80 ORN

140

Audio alarm module B+

J3

0.80 LT GRN

80

Audio alarm module key-in warning

J4

-

-

Not used

K1

0.80 BLK/WHT

238

Audio alarm module safety belt input

K2

0.80 BLK

150

Audio alarm module ground

K3

0.80 YEL

234

Audio alarm module fasten belts output

K4

0.35 PNK

39

Audio alarm module