GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2006 🢒 DTS 🢒 HVAC 🢒 HVAC Systems - Automatic 🢒 Harness Routing Views
Figure 1:

Front Fascia and Forward Lamp Harnesses - Domestic
Object Number: 1619131 Size: LF
(1)Front Fascia
(2)C113
(3)S107
(4)S120
(5)S119
(6)S117
(7)G104
(8)C192 (UFR)
(9)C114
(10)S125
(11)C121
(12)C120
(13)Fuse Block - Underhood C1
(14)S118
Figure 2:

Front Fascia and Forward Lamp Harnesses - Export
Object Number: 1644658 Size: LF
(1)Front Fascia
(2)S120
(3)S119
(4)C192
(5)G104
(6)C114
(7)Fuse Block - Underhood C1
(8)C121
(9)C120
(10)S125
(11)S124
(12)S123
(13)S117
(14)S118
(15)S107
(16)S121
(17)S122
(18)S124 (Export)
Figure 3:

Engine Harness - Front (L37/LD8)
Object Number: 1619134 Size: LF
(1)Fuse Block - Underhood C3
(2)S111
(3)S100
(4)C139
(5)S105
(6)S106
(7)Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor Connector
(8)Transmission Control Module (TCM) C1 Connector
(9)Engine Control Module (ECM) C3
(10)Engine Control Module (ECM) C2
(11)Engine Control Module (ECM) C1
(12)S114
(13)S113
(14)C101
(15)Electronic Brake Control Module (EBCM) Connector
(16)G115
(17)G114
Figure 4:

Engine Harness - Rear (L37/LD8)
Object Number: 1619136 Size: LF
(1)Engine Control Module (ECM) C3
(2)C111
(3)S110
(4)C138
(5)S102
(6)Intake Manifold
(7)C161
(8)C140
(9)S116
(10)S115
(11)G100
(12)G112
(13)G115
(14)G114
(15)S113
(16)S114
(17)Electronic Brake Control Module (EBCM) Connector
(18)C175
(19)Engine Control Module (ECM) C2
(20)Engine Control Module (ECM) C1
Figure 5:

Starter and Generator Harness
Object Number: 1619133 Size: LF
(1)Valve Cover
(2)C161
(3)Starter
(4)Generator Terminal
(5)Generator Inline Fuse (V4U)
Figure 6:

Battery Cable Harness
Object Number: 1619132 Size: LF
(1)Fuse Block - Underhood
(2)Floor Panel
(3)Battery
(4)G303
(5)Fuse Block - Rear Terminal Connector
Figure 7:

Body Harness - Engine Compartment
Object Number: 1644654 Size: LF
(1)RF Strut Tower
(2)C100
(3)C111
(4)G101
(5)S126
(6)S127
(7)S128
(8)S129
(9)Fuse Block - Underhood C2
(10)C120
(11)C121
Figure 8:

Body Harness - Passenger Compartment
Object Number: 1619160 Size: LF
(1)C206
(2)C200
(3)S377
(4)S376
(5)S375
(6)C301
(7)C325
(8)C326
(9)S329
(10)S395
(11)C314
(12)S343
(13)C302
(14)G304
(15)G302
(16)S370
(17)C341(AV8)
(18)S336 (06)
(19)S301
(20)C303
(21)S350
(22)G305
(23)G300
(24)C315
(25)S378
(26)S379
(27)C300
(28)C202
(29)C205
(30)C201
(31)C316
(32)C340 (AQ9)
Figure 9:

Body Harness - Rear Compartment
Object Number: 1619161 Size: LF
(1)S326
(2)S325
(3)C337
(4)S324
(5)C397 (CF5)
(6)C395 (DE9)
(7)C494 (UFR)
(8)C309
(9)Tail Lamp Assembly - Left
(10)G403
(11)Tail Lamp Assembly - Right
(12)G402
(13)G306
(14)C321
(15)S366
(16)C445
(17)S365
(18)S372
(19)C313
(20)SP300
(21)G301
(22)S374
(23)Fuse Block - Rear
(24)S323
(25)S317
(26)S380
(27)S373
(28)S337
Figure 10:

HVAC Module Harness
Object Number: 1619138 Size: LF
(1)HVAC Module Assembly
(2)C206
(3)C204
(4)C202
Figure 11:

I/P Harness - Behind the I/P Carrier
Object Number: 1619140 Size: LF
(1)I/P Trim
(2)C208
(3)S206
(4)C200
(5)S222
(6)S202
(7)S212
(8)S210
(9)C201
(10)S207
(11)S223
(12)S208
(13)Data Link Connector (DLC)
(14)C203
(15)S200
(16)C316
(17)S213
(18)C204
(19)C202
(20)C219
(21)S211
(22)S214
(23)C325
(24)C326
Figure 12:

Drivers Seat Harness
Object Number: 1619153 Size: LF
(1)Seat Frame
(2)C318
(3)S351
(4)S355
(5)S349
(6)C315
(7)S347
(8)C311
(9)S352
(10)S356
(11)S371
Figure 13:

Passenger Seat Harness
Object Number: 1619155 Size: LF
(1)C354
(2)S358
(3)S306
(4)C312
(5)S348
(6)C314
(7)S357
Figure 14:

Console Harness
Object Number: 1619158 Size: LF
(1)Arm Rest
(2)Traction Control Switch Connector
(3)C340
(4)S369
(5)S315
(6)S307
Figure 15:

Driver Door Harness
Object Number: 1619146 Size: LF
(1)Door Frame
(2)C300
(3)C501
(4)S500
Figure 16:

Passenger Door Harness
Object Number: 1619148 Size: LF
(1)Door Frame
(2)S600
(3)C601
(4)C301
Figure 17:

LR Door Harnesses
Object Number: 1619172 Size: LF
(1)Door Frame
(2)S700
(3)S702
(4)C303
(5)S701
(6)C700
Figure 18:

RR Door Harnesses
Object Number: 1619164 Size: LF
(1)Door Frame
(2)S800
(3)C800
(4)S801
(5)C303
Figure 19:

Headliner and Sunroof Harnesses (CF5)
Object Number: 1619143 Size: LF
(1)S330
(2)C321
(3)S313
(4)S312
(5)S328
(6)Inside Rearview Mirror (ISRVM) Connector
(7)S334
(8)S338
(9)C397 (CF5)
(10)C399 (CF5)
Figure 20:

Headliner Harnesses (w/o CF5)
Object Number: 1619141 Size: LF
(1)Headliner
(2)S330
(3)S313
(4)S328
(5)S312
(6)C321
(7)Inside Rearview Mirror (ISRVM) Connector
(8)S334
Figure 21:

Rear Shelf Harness
Object Number: 1619166 Size: LF
(1)RR C-Pllar
(2)Rear Decklid
(3)C445
Figure 22:

Rear Seat Harness (KA6/ARC)
Object Number: 1619159 Size: LF
(1)Seat Back Cushion
(2)Heated Seat Module
(3)Lumbar Inline
(4)Heated Seat Element - RR Back Connector
(5)C320 (KA6)
(6)S353
(7)C313 (KA6/ARC)
(8)Lumbar Inline
Figure 23:

Fuel Tank Harness
Object Number: 1619165 Size: LF
(1)C309
(2)Fuel Tank
(3)Fuel Sending Unit
Figure 24:

Rear Shelf Harness
Object Number: 1619166 Size: LF
(1)RR C-Pllar
(2)Rear Decklid
(3)C445