EXTERIOR LIGHTS – GMC Sierra 2500 1999 – SYSTEM WIRING DIAGRAMS

EXTERIOR LIGHTS

Back-up Lamps Wiring Diagram for GMC Sierra 2500 1999

List of elements for Back-up Lamps Wiring Diagram for GMC Sierra 2500 1999:

17

• (left side of transmission) backup lamp switch
• A trailer connector (heavy duty)
• A/t
• B/u lp fuse 25a
• B10
• Backup lamp switch (part of park/neutral position switch) (left center of transmission)
• G415 (on spare tire hoist bracket)
• Hot in run or start
• Left backup lamp
• M/t
• Mirrors system (automatic day/night mirror)
• Pnk
• Rear lamps bussing block (front of rear bumber, on crossmember)
• Right backup lamp
• Trlr b/u fuse 10a
• Underhood bussed electrical center
• Veh b/u fuse 15a

Exterior Lamps Wiring Diagram for GMC Sierra 2500 1999

List of elements for Exterior Lamps Wiring Diagram for GMC Sierra 2500 1999:

114

• (left side of engine compartment) underhood bussed electrical center
• (lower left side of dash) left bussed electrical center
• (under left side of dash) mid bussed electrical center
• (upper right kick panel) g203
• A c3
• A10
• A12
• A4 c1
• B10
• Base
• Body control module (lower left side of dash)
• Bulbs
• C1 b12
• C1 b2
• C1 b6
• C1 b7
• C1 c8
• C1 d
• C1 f6
• C1 f7
• C11 c1
• C2 a
• C2 a6
• C2 a7
• C2 b6
• C2 c
• C2 d
• C2 d12
• C3 a6
• C3 e2
• C3 h
• C4 a
• C4 c
• C4 d
• C4 f
• C5 a
• C6 b
• C6 g
• Center high mount stop lamp/ cargo lamp
• Chmsl fuse 10a
• Clearance lamps
• D10
• D11
• E c1
• F12
• Fr prk fuse 10a
• G108 (left radiator support bracket)
• G200 (upper left kick panel)
• G308 (left side of "b" pillar)
• G415 (on spare tire hoist bracket)
• Haz lp fuse 20a
• Hazard
• Head
• Headlamp and panel dimmer switch
• Hot at all times
• Hot in run or start
• Instrument cluster
• Int prk fuse 10a
• Interior lights system
• Left
• Left bussed electrical center (lower left side of dash)
• Left front marker lamp
• Left front park/ turn lamp
• Left license lamp
• Left rear turn lamp
• Left roof marker lamp
• Left tail/ stop- lamp
• Left turn in
• Left turn ind
• Lr prk fuse 10a
• Lt turn fuse 10a
• Mid bussed electrical center (under left side of dash)
• Nca
• Normal
• Off
• Park
• Park lamp relay
• Park lps fuse 20a
• Park rly ctrl
• Pnk
• Rear lamps bussing block (front of rear bumper, on cross- member)
• Right
• Right bussed electrical center (lower right side of dash)
• Right front marker lamp
• Right front park/ turn lamp
• Right license lamp
• Right rear turn lamp
• Right roof marker lamp
• Right tail/ stop- lamp
• Right turn in
• Right turn ind
• Roof beacon provision
• Roof beacon relay (left "b" pillar)
• Roof beacon switch
• Rr prk fuse 10a
• Rt turn fuse 10a
• S100
• S101
• S200 (at roof marker lamps)
• S201
• Seo 1 fuse 15a
• Seo 2 fuse 30a
• Sp203
• Stop lps fuse 20a
• Stoplamp switch (on brake pedal support bracket)
• Trailer wiring provision
• Trl l trn fuse 10a
• Trl r trn fuse 10a
• Turn fuse 20a
• Turn/ hazard switch
• Turn/hazard flasher
• Underhood bussed electrical center (left side of engine compartment)
• Uplevel
• Veh stop fuse 10a