EXTERIOR LIGHTS – Chevrolet Chevy Express G3500 2009 – SYSTEM WIRING DIAGRAMS

EXTERIOR LIGHTS

Backup Lamps Wiring Diagram for Chevrolet Chevy Express G3500 2009

List of elements for Backup Lamps Wiring Diagram for Chevrolet Chevy Express G3500 2009:

• (provisional)
• Automatic transmission
• 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
• Data bus +
• Data bus - x3
• Electrical backup alarm
• G103 (on right rear of engine)
• G302 (behind left kick panel)
• G400 (on inner left rear frame rail)
• G401 (on top of right "d" pillar)
• G402 (on top of left left "d" pillar)
• H x405
• Hi spd gmlan serial data bus (+)
• Hi spd gmlan serial data bus (-)
• Hot at all times
• J101
• J247
• J402
• J403
• J410
• Left backup lamp (cargo/ passenger)
• Left tail/ stop & turn signal lamp
• Nca
• Park/neutral position (pnp) switch
• Park/neutral position (pnp) switch (on left side of transmission)
• Relay ctrl x2
• Right backup lamp (cargo/ passenger)
• Right tail/ stop & turn signal lamp
• T/lamp bck/up fuse 15 10a
• Tan
• Trailer connector (if equipped)
• Trans rng sw sig a
• Trans rng sw sig b
• Transmission control module (tcm) (4.3l (vin x) & 5.3l (vin 4))
• Transmission control module (tcm) (4.8l (vin c) & 6.0l (vin k))
• Transmission control module (tcm) (6.6l (vin 6)) (left front corner of engine compt)
• Underhood fuse block (on left side of engine compt)
• X175

Exterior Lamps Wiring Diagram (1 of 2) for Chevrolet Chevy Express G3500 2009

List of elements for Exterior Lamps Wiring Diagram (1 of 2) for Chevrolet Chevy Express G3500 2009:

• (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
• 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
• 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 G3500 2009

List of elements for Exterior Lamps Wiring Diagram (2 of 2) for Chevrolet Chevy Express G3500 2009:

• (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 park/ turn signal lamp
• Left turn ind
• Logic
• Off
• Park
• Pnk
• Right front marker lamp
• Right park/ turn signal lamp
• Right turn ind
• Ser data
• Stop lamp switch
• 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 G3500 2009

List of elements for Trailer Tow Wiring Diagram for Chevrolet Chevy Express G3500 2009:

• 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)