All Wiring Diagrams for GMC S15 Pickup 1990 model

DEFOGGERS

Defogger Wiring Diagram for GMC S15 Pickup 1990

List of elements for Defogger Wiring Diagram for GMC S15 Pickup 1990:

24

• "d" pillar)
• (1990-91)
• (1992 bravada & all 1993 s/t series)
• (1992-93)
• (right rear
• 1990-91
• 1992-93
• Fuse block
• G114 (rear of left cylinder head)
• G202 (on i/p bracket)
• G998
• Hot at all times
• Hot in run, bulb test or start
• Hot with headlight switch in park or head
• Ign/gau fuse 20a
• Indicator
• Instr lps fuse 5a
• Off
• Panel lamps
• Pwr/acc circuit breaker 30a
• Rear defogger grid
• Rear defogger switch
• Rear window strut
• Rear defogger timer relay (on right side of brake pedal support bracket)

HORN

Horn Wiring Diagram for GMC S15 Pickup 1990

List of elements for Horn Wiring Diagram for GMC S15 Pickup 1990:

9

• Convenience center (behind left side of i/p)
• Fuse block
• Horn
• Horn fuse 20a
• Horn relay
• Horn switch
• Hot at all times
• Multi function switch
• Power distribution (1990-91)

POWER DOOR LOCKS

Power Door Lock Wiring Diagram, 2 Door for GMC S15 Pickup 1990

List of elements for Power Door Lock Wiring Diagram, 2 Door for GMC S15 Pickup 1990:

12

• 0nly
• Bus bar ground
• Fuse block (left side of dash)
• Hot at all times
• Left door lock motor
• Left door lock switch
• Lock
• Pwr acc circuit breaker 30a
• Right door lock motor
• Right door lock switch
• Tan
• Unlock

POWER WINDOWS

Power Window Wiring Diagram for GMC S15 Pickup 1990

List of elements for Power Window Wiring Diagram for GMC S15 Pickup 1990:

18

• 1995 vftc c
• Bus bar ground (left side of dash)
• Fuse block (left side of dash)
• Hot in run
• Left front window
• Left front window motor
• Left front window switch
• Left rear window (4 door)
• Left rear window motor
• Left rear window switch
• Pnk
• Power window circuit breaker 30a
• Right front window
• Right front window motor
• Right front window switch
• Right rear window (4 door)
• Right rear window motor
• Right rear window switch

RADIO

2-Speaker System Wiring Diagram for GMC S15 Pickup 1990

List of elements for 2-Speaker System Wiring Diagram for GMC S15 Pickup 1990:

20

• Antenna
• Antenna input
• Coaxial cable
• Dig clock
• Fuse block (under left side of dash)
• G125 (front of engine)
• Ground
• Horn/dm fuse 20a
• Hot at all times
• Hot in accy or run
• Interior lights system
• Left front speaker
• Lt frt spkr
• Panel light
• Power
• Radio
• Radio fuse 15a
• Right front speaker
• Rt frt spkr
• Tan

4-Speaker System Wiring Diagram, ETR for GMC S15 Pickup 1990

List of elements for 4-Speaker System Wiring Diagram, ETR for GMC S15 Pickup 1990:

25

• (oldsmobile) (chevrolet, gmc)
• Antenna
• Antenna input
• Coaxial cable
• Dig clock
• Fuse block (under left side of dash)
• G125 (front of engine)
• Ground
• Hot at all times
• Hot in accy or run
• Interior lights system
• Left front speaker
• Left rear speaker
• Lt frt spkr
• Lt rear spkr
• Panel light
• Power
• Radio
• Radio fuse 15a
• Right front speaker
• Right rear speaker
• Rt frt spkr
• Rt rear spkr
• T/l ctsy fuse horn-dm fuse 20a
• Tan

STARTING/CHARGING

Charging Wiring Diagram for GMC S15 Pickup 1990

List of elements for Charging Wiring Diagram for GMC S15 Pickup 1990:

11

• Battery
• Charge indicator (except digital cluster
• Fuse block (left side of dash)
• G107 (above right headlamp, on radiator support)
• G119 (lower right front of engine block)
• Generator
• Hot in run, bulb test or start
• Ign/gau fuse 20a
• Instrument cluster
• Not used
• Power distribution system

Starting Wiring Diagram for GMC S15 Pickup 1990

List of elements for Starting Wiring Diagram for GMC S15 Pickup 1990:

19

• A/t
• Acc
• Battery
• Bulb test
• Clutch start switch (on clutch pedal support)
• Electric shift transfer case
• Except bravada
• G107 (above right headlamp, on radiator support)
• G119 (lower right front of engine block)
• Hot at all times
• Ignition switch
• Lock
• M/t
• Off
• Power distribution system
• Run
• Start
• Starter motor
• Starter solenoid

WIPER/WASHER

2-Speed Wiper/Washer Wiring Diagram for GMC S15 Pickup 1990

List of elements for 2-Speed Wiper/Washer Wiring Diagram for GMC S15 Pickup 1990:

15

• Fuse block
• G100 (left front of eng compt)
• High speed
• Hot in accy or run
• Low speed
• Mechanical arm
• Off
• Park switch
• Pnk
• Washer pump motor
• Washer switch
• Wiper fuse 25a
• Wiper motor module
• Wiper switch
• Wiper/ washer switch

Interval Wiper/Washer Wiring Diagram for GMC S15 Pickup 1990

List of elements for Interval Wiper/Washer Wiring Diagram for GMC S15 Pickup 1990:

17

• Control area
• Delay/ speed/ wash control
• Fuse block
• G100 (left front corner of eng compt)
• Hot in accy or run
• Ign
• Low
• Mist
• Off
• Park switch
• Pnk
• Pulse
• Wash switch
• Windshield washer pump
• Wiper fuse 25a
• Wiper motor module
• Wiper/ washer switch