How quickly will I get access to the wiring diagrams after payment?

Access is activated instantly after a successful payment. A payment receipt and an activation email with a link to the wiring diagrams will be sent to your email.

How long will my access be valid?

Access is activated permanently and is not limited in time, just like if you purchased a physical book.

Where can I find the wiring diagrams I purchased?

In your personal account. To access it, click the user icon in the upper right corner of the website.

What if the wiring diagrams do not match my car model?

This is very rare, but if the diagrams do not match your vehicle, contact us at support@portal-diagnostov.com and attach a few photos of the connector or wiring that does not match. We will issue a refund.

Exterior Lights — Chevrolet Chevy Express H1500 2012 Wiring Diagram

EXTERIOR LIGHTS

Backup Lamps Wiring Diagram for Chevrolet Chevy Express H1500 2012

List of elements for Backup Lamps Wiring Diagram for Chevrolet Chevy Express H1500 2012:

(on right rear of engine) g103
(provisional)
Automatic transmission
Automatic transmission assembly (6 speed a/t)
Automatic transmission internal mode switch (ims)
Aux/trlr bck/up fuse 26 10a
Backup alarm (rear of vehicle on frame)
Bck/up lamp pcb relay k7
Body control module (bcm) (behind lower right side of dash)
Body fuse block (under left front seat)
Bus - data
Computer data lines system
Control solenoid valve assembly
Cutaway
D3 x3
Data bus +
Data bus - x3
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)
Gmlan hi spd
Gnd
H x405
Hi spd gmlan data bus +
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
Red
Relay ctrl x2
Right backup lamp (cargo/ passenger)
Right tail/ stop & turn signal lamp
Sig a
Sig b
Sig c
Tail lamp bck/up fuse 27 10a
Tan
Trailer connector (if equipped)
Trans rng sw sig a
Trans rng sw sig b
Trans- mission control module (tcm)
Transmission control module (tcm) (4 speed a/t)
Underhood fuse block (on left side of engine compt)
W/ electrical backup alarm
X1 e2
X1 j5
X175
X401
X401 f
X402

Exterior Lamps Wiring Diagram (1 of 2) for Chevrolet Chevy Express H1500 2012

List of elements for Exterior Lamps Wiring Diagram (1 of 2) for Chevrolet Chevy Express H1500 2012:

(in dash harness, 13 cm from radio breakout) j245
(in dash harness, 6 cm from radio breakout) j246
(provisional)
A x419
Alarm enable sig
Aux prk lamp fuse 3 15a
B3 x600
Bcm 6 fuse 72 10a
Bcm3 fuse 26 10a
Bcm5 fuse 7 10a
Body control module (bcm) (behind lower right side of dash)
Body fuse block (under left front seat)
Brake sig
Cargo/ passenger
Center high mounted stop lamp (chmsl)
Chmsl ctrl
Cutaway
Driver outside rearview mirror (in driver door)
Frt prk lamp fuse 4 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)
Left
Left tail/stop & turn signal lamp
Lf turn sig lp ctrl
License lamp
Lr turn sig lp ctrl
Lt rear park lamp fuse 8 10a
Mega fuse 125a
Nca
Park lamp ctrl
Park lamps sig
Passenger outside rearview mirror (in right front passenger door)
Prk lamp relay k3
Rf turn sig lp ctrl
Right
Right tail/stop & turn signal lamp
Rr turn sig lp ctrl
Rt rear prk lamp fuse 7 10a
Splice block jx347 (in body harness, attached to lower left "b" pillar)
Splice block jx348 (in body harness, attached to lower right "b" pillar part of g348)
Stop lamps ctrl
Tan
Trailer tow circuit
Trlr prk lamp fuse 5 15a
Turn signal/ multi-function switch
Under- hood fuse block (on left side of engine compt)
Upftr park lamp fuse 6 10a
W/ ambulance & recreational vehicle sales package
W/ folding mirrors
X1 a5
X1 b5
X1 g3
X2 b4
X200
X3 j2
X318
X320
X320 x
X401
X402
X402 a
X412
X412 c (w/o rear window defogger)
X500

Exterior Lamps Wiring Diagram (2 of 2) for Chevrolet Chevy Express H1500 2012

List of elements for Exterior Lamps Wiring Diagram (2 of 2) for Chevrolet Chevy Express H1500 2012:

(in engine harness, 16 cm from underhood fuse block x1 breakout) j123
(in forward lamp harness, 48 cm from left headlamp breakout) j121
(on inner left rear frame rail) g400
(provisional)
4 speed a/t
4.3l
6 speed a/t
6.6l
A x221
A5 x101
Auto
Automatic transmission
Aux stop lamp fuse 68 15a
Brk sw fuse 13 10a
Computer data lines system
Control solenoid valve assembly
Cutaway
E x405
Engine control module (ecm) (left side of engine compt)
Except 4.3l
G100 (on left front of engine compt)
G101 (on right front of engine compt)
G102 (4.8l, 5.3l & 6.0l: on left rear of engine) (6.6l: left front lower side of the engine block) (4.3l: right rear of engine)
G302 (behind left kick panel)
Head
Headlamp & panel dimmer switch
Hot at all times
Hot w/ run/crank relay 15 energized
Ign
Instrument panel cluster (ipc)
Ipc fuse 10 10a
J100
J102
J110
J231 (in instrument panel harness, 5 cm from x200 breakout towards instrument panel cluster)
J248
J402
Left front marker lamp
Left park/ turn signal lamp
Left turn ind
Logic
N x174
Off
Park
Pnk
Right front marker lamp
Right 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)
Underhood fuse block (on left side of engine compt)
X1 c7
X100
X2 a4
X2 e2
X2 f3
X3 a1
X3 c5
X3 h7
X3 j4
X4 c
X405 c
X405 f
X405 g

Trailer Tow Wiring Diagram for Chevrolet Chevy Express H1500 2012

List of elements for Trailer Tow Wiring Diagram for Chevrolet Chevy Express H1500 2012:

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 k3 energized
J247
J402 (except 5.3l w/ backup alarm)
Lo spd gmlan
Lt stop/ trn trlr fuse 21 10a
Lt trailer turn signal lamp
Rt stop/ trn trlr fuse 3 10a
Rt trailer turn signal lamp
Tan
Trailer connector
Trlr lt stop/trn pcb relay k9
Trlr prk lamp fuse 13 15a
Trlr rt stop/trn pcb relay k18
Trlr wrg fuse 11 30a
Trlr wrg fuse 42 30a
Underhood fuse block (on left side of engine compt)
X1 b2
X2 a7
X2 e3
X2 e4
X3 b5
X3 c4
X3 g3

EXTERIOR LIGHTS – Chevrolet Chevy Express H1500 2012 – SYSTEM WIRING DIAGRAMS