POWER SEATS – GMC Yukon 1999 – SYSTEM WIRING DIAGRAMS

POWER SEATS

6-Way Power Seat Wiring Diagram for GMC Yukon 1999

List of elements for 6-Way Power Seat Wiring Diagram for GMC Yukon 1999:

21

• (regular/extended cab) (except regular extended cab)
• (right side of dash)
• Back
• Forward/ rearward motor
• Front dn
• Front tilt motor
• Front up
• Fwd
• G201
• Hot at all times
• I/p fuse block
• Left power seat adjuster switch
• Pwr-accy circuit breaker 20a 30a
• Rear dn
• Rear tilt motor
• Rear up
• Right power seat adjuster switch
• S227
• S228
• S255
• Tan

Front Seat Heater Wiring Diagram for GMC Yukon 1999

List of elements for Front Seat Heater Wiring Diagram for GMC Yukon 1999:

40

• (cross body harn, left side of dash, near convenience center)
• (left heated seat harn, near heated seat control module breakout)
• (not used)
• Batt
• C236
• Convenience center
• Front heated seats fuse 20a
• G201 (right side of dash)
• Gnd
• Heated seat sw sig
• High/low sig
• Hot at all time
• Hot in run
• I/p fuse block
• Indicator lmp feed
• Left front heated seat module (under left front power seat)
• Left front heated seat switch
• Left front seat back element
• Left front seat cushion
• Left front seat cushion element
• Left front seat temper- ature sensor
• Off
• Right front heated seat module (under right front power seat)
• Right front heated seat switch
• Right front seat back element
• Right front seat bealt switch
• Right front seat cushion
• Right front seat cushion element
• Right front seat temper- ature sensor
• Rr hvac fuse 5 10a
• S227
• S233
• S238
• S259
• S273
• S274
• S277
• S278
• Sig enable
• Underhood fuse/relay center

Lumbar Wiring Diagram, with Bucket Seat for GMC Yukon 1999

List of elements for Lumbar Wiring Diagram, with Bucket Seat for GMC Yukon 1999:

19

• (w/ regular/extended cab) (except regular extended cab)
• C210 c
• Convenience center
• G201 (right side of dash)
• Hot at all times
• I/p fuse block
• Left front power lumbar seat switch
• Left front power lumbar support motor
• Left lumbar solenoid
• Pwr-accy circuit breaker 20a 30a
• Right front power lumbar seat switch
• Right front power lumbar support motor
• Right lumbar solenoid
• S227
• S228
• S237
• S241
• S259
• Tan

Lumbar Wiring Diagram, without Bucket Seat for GMC Yukon 1999

List of elements for Lumbar Wiring Diagram, without Bucket Seat for GMC Yukon 1999:

21

• C210 b
• Cig ltr fuse 13 20a
• Convenience center
• G201 (right side of dash)
• Hot at all times
• I/p fuse block
• Left front power lumbar seat switch
• Left front power lumbar support motor
• Left lumbar solenoid
• Red
• Right front power lumbar seat switch
• Right front power lumbar support motor
• Right lumbar solenoid
• S227
• S228
• S256
• S259
• S264 (suburban utility only)
• Tan
• W/ split bench seat
• W/o split bench seat

Rear Seat Heater Wiring Diagram, High Option Content for GMC Yukon 1999

List of elements for Rear Seat Heater Wiring Diagram, High Option Content for GMC Yukon 1999:

36

• (left rear heated seat harn)
• (right rear heated seat harn)
• Batt
• Batt out
• C210
• Convenience center
• G201 (right side of dash)
• Gnd
• Hi/lo sign
• Hot at all times
• Hot in run
• I/p fuse block
• Interior lights system
• Led ind
• Left rear heated seat element
• Left rear heated seat module (under left rear seat)
• Left rear heated seat switch
• Left rear seat belt switch
• Off
• On/off
• Rear heated seats fuse 20a
• Right rear heated seat element
• Right rear heated seat module (under right rear seat)
• Right rear heated seat switch
• Right rear seat belt switch
• Rr hvac fuse 5 10a
• S259
• S281
• S330
• S332
• S337
• S338
• S339
• S340
• Sign enable
• Underhood bussed-relay center