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Exterior Lights — Chevrolet Chevy Express G2500 2008 Wiring Diagram

EXTERIOR LIGHTS

Backup Lamps Wiring Diagram for Chevrolet Chevy Express G2500 2008

List of elements for Backup Lamps Wiring Diagram for Chevrolet Chevy Express G2500 2008:

(provisional)
Aux/trlr bck/up fuse 10 10a
Backup alarm (rear of vehicle on frame)
Bck/up lamp pcb relay
Body control module (bcm) (behind lower right side of dash)
Body fuse block (under left front seat)
Computer data lines system
Cutaway
Electrical backup alarm
G302 (behind left kick panel)
G400 (on inner left rear frame rail)
G401 (on top of right "d" pillar)
G402 (on top of left "d" pillar)
H x405
Hot at all times
J247
J402
J403
J410
Left backup lamp (cargo/ passenger)
Left tail/ stop & turn signal lamp
Lo spd gmlan x3
Nca
Relay ctrl x2
Right backup lamp (cargo/ passenger)
Right tail/ stop & turn signal lamp
T/lamp bck/up fuse 15 10a
Trailer connector (if equipped)
Underhood fuse block (on left side of engine compt)

Exterior Lamps Wiring Diagram (1 of 2) for Chevrolet Chevy Express G2500 2008

List of elements for Exterior Lamps Wiring Diagram (1 of 2) for Chevrolet Chevy Express G2500 2008:

(in dash harness, 13 cm from radio & hvac control assembly breakout) j245
(provisional)
Alarm enable sig
Aux prk lamp fuse 9 15a
Body control module (bcm) (behind lower right side of dash)
Body fuse block (under left front seat)
Brake sig
Brake sw sig
Breakout) j246
Cargo/ passenger
Center high mounted stop lamp (chmsl)
Chmsl ctrl
Cutaway
Driver outside rearview mirror (in driver door)
Frt prk lamp fuse 14 10a
G302 (behind left kick panel)
G347
G348
G401 (on top of right "d" pillar)
G402 (on top of left "d" pillar)
Ground distribution system
Hazard sw sig
Hazard switch
Hot at all times
J202
J403
J403 (w/o rear window defogger)
J410
J500
J600
J902 (w/ rear window defogger)
Jx347 (in body harness, attached to lower left "b" pillar)
Jx348 (in body harness, attached to lower right "b" pillar part of g348)
Left
Left tail/stop & turn signal lamp
Lf turn sig lp ctrl
License lamp
Lr turn sig lp ctrl
Lt rear prk lamp fuse 34 10a
Nca
Park lamp ctrl
Park lamps sig
Passenger outside rearview mirror (in right front passenger door)
Prk lamp relay
Rf turn sig lp ctrl
Right
Right tail/stop & turn signal lamp
Rr turn sig lp ctrl
Rt rear prk lamp fuse 33 10a
Stop lamps ctrl
Tan
Trailer tow circuit
Trlr prk lamp fuse 13 15a
Turn signal/ multi-function switch
Upftr park lamps fuse 29 10a
Volt ref
W/ ambulance & recreational vehicle sales package
W/ folding mirrors
X320

Exterior Lamps Wiring Diagram (2 of 2) for Chevrolet Chevy Express G2500 2008

List of elements for Exterior Lamps Wiring Diagram (2 of 2) for Chevrolet Chevy Express G2500 2008:

(in forward lamp harness, 48 cm from left headlamp breakout) j121
(in instrument panel harness, 5 cm from x200 breakout towards instrument panel cluster) j231
(provisional)
4.3l
6.6l
Auto
Aux stop lamp fuse 13 15a
Brk sw fuse 32 10a
Computer data lines system
Cutaway
E x405
Engine control module (ecm) (left side of engine compt)
Except 4.3l & 6.6l
G100 (on left front of engine compt)
G101 (on right front of engine compt)
G102 (except 6.6l: on left rear of engine) (6.6l: left front lower side of the engine block)
G302 (behind left kick panel)
G400 (on inner left rear frame rail)
Head
Headlamp & panel dimmer switch
Hot at all times
Hot w/ run/crank relay energized
Ign
Instrument panel cluster (ipc)
Interior lights system
Ip clstr fuse 30 10a
J102
J110
J118
J123 (in engine harness, 16 cm from underhood fuse block x1 breakout)
J248
J402
Left front marker lamp
Left front park/ turn signal lamp
Left turn ind
Logic
Off
Park
Pnk
Right front marker lamp
Right front park/ turn signal lamp
Right turn ind
Ser data
Stop lamp switch (behind left side of dash, above brake pedal)
Stop lamps pcb relay
Transmission control module (tcm) (6.6l: left front corner of engine compt)
Underhood fuse block (on left side of engine compt)
X4 n
X405 c
X405 f
X405 g

Trailer Tow Wiring Diagram for Chevrolet Chevy Express G2500 2008

List of elements for Trailer Tow Wiring Diagram for Chevrolet Chevy Express G2500 2008:

Backup lamps circuit
Body control module (bcm) (behind lower right side of dash)
Body fuse block (under left front seat)
Computer data lines system
G302 (behind left kick panel)
G400 (on inner left rear frame rail)
Hi spd gmlan+
Hi spd gmlan-
Hot at all times
Hot w/ prk lamp relay 40 energized
J247
J402 (except 5.3l w/ backup alarm)
Lo spd gmlan
Lt stp/ trn trlr fuse 16 10a
Lt trailer turn signal lamp
Rt stp/ trn trlr fuse 8 10a
Rt trailer turn signal lamp
Tan
Trailer connector
Trailer lh stop/turn pcb relay
Trailer rh stop/turn pcb relay
Trlr prk lamp fuse 13 15a
Trlr wrg fuse 35 30a
Trlr wrg fuse 62 30a
Underhood fuse block (on left side of engine compt)

EXTERIOR LIGHTS – Chevrolet Chevy Express G2500 2008 – SYSTEM WIRING DIAGRAMS