HEADLIGHTS – GMC Sierra 2500 HD 2012 – SYSTEM WIRING DIAGRAMS

HEADLIGHTS

Headlights Wiring Diagram (1 of 2) for GMC Sierra 2500 HD 2012

List of elements for Headlights Wiring Diagram (1 of 2) for GMC Sierra 2500 HD 2012:

• (except diesel: on lower left radiator support) (diesel: left front corner of engine compt)
• (except diesel: on lower right radiator support) (diesel: right front corner of engine compt) g101
• 175a
• Amb lght
• Body control module (bcm) (lower left side of dash)
• Chevrolet
• Computer data lines system
• Diesel
• Dimmer switch
• Drl 2 fuse 33 fuse 30 10a
• Drl rly
• Flash
• Flash to pass
• Fog lmp rly
• Fog lp sw
• G100
• G100 (except diesel: on lower left radiator support) (diesel: left front corner of engine compt)
• G101 (except diesel: on lower right radiator support) (diesel: right front corner of engine compt)
• G201 (upper left corner of dash)
• Gasoline
• Gmc
• Hdlp dim sw sig
• Hdlp lo/hid relay
• Hdlp off
• Hdlp on
• Headlamp
• Hi beam pcb relay
• Hi beam rly
• Hi head- lamp lt fuse 32 fuse 29 10a
• Hi head- lamp rt fuse 30 fuse 21 10a
• Hot at all times
• If equipped
• J100
• J101
• J102
• J103
• J230
• Left front side marker lamp
• Left high beam headlamp
• Left low beam headlamp
• Lo beam rly
• Lo hdlp lt fuse 12 20a
• Lo hdlp rt fuse 16 fuse 15 20a
• Lower left park/turn signal lamp
• Lower right park/turn signal lamp
• Multi-function switch
• Pk brake sig
• Power distribution system
• Prk lmp
• Right front side marker lamp
• Right high beam headlamp
• Right low beam headlamp
• Serial data +
• Serial data -
• Switch
• Tan
• To fog lamp relay (diagram 2 of 2)
• To pass
• Turn signal/
• Underhood fuse block (left side of engine compt)
• Underhood fuse holder (diesel: right side of firewall) (except diesel: on positive battery terminal)
• Upper left park/turn signal lamp
• Upper right park/turn signal lamp
• X100
• X106
• X106 a
• X202

Headlights Wiring Diagram (2 of 2) for GMC Sierra 2500 HD 2012

List of elements for Headlights Wiring Diagram (2 of 2) for GMC Sierra 2500 HD 2012:

• Ambient light sensor (manual a/c) ambient light/ sunload sensor assembly (automatic a/c) (top center of dash)
• Auto
• Automatic a/c
• Computer data lines system
• Diesel
• Drl fuse 31 fuse 28 10a
• Drl pcb relay
• Fog lamp fuse 26 fuse 25 15a
• Fog lamp ind
• Fog lamp relay
• Fog lamp switch
• From hdlp lo/hid relay (diagram 1 of 2)
• G100 (except diesel: on lower left radiator support) (diesel: left front corner of engine compt)
• G101 (except diesel: on lower right radiator support) (diesel: right front corner of engine compt)
• G201 (upper left corner of dash)
• Gasoline
• Gmlan serial data
• Ground distribution system
• Head
• Headlamp & panel dimmer switch
• Hi beam ind
• If equipped
• Instrument panel cluster (ipc)
• Ipc fuse 46 fuse 43 10a
• J201
• Left front fog lamp (if equipped)
• Left i/p junction block (lower left side of dash)
• Logic
• Manual a/c
• Off
• Park
• Park brake switch (on park brake pedal assembly)
• Power distribution system
• Right front fog lamp (if equipped)
• Underhood fuse block (left side of engine compt)