Dodge Ram 2004 - Ignition, Power, Accessory; Horn System

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10.8 IGNITION, POWER, ACCESSORY

10.8.1 HORN SYSTEM

617

SCHEMATIC DIAGRAMS

Main Page

Default Chapter1
- Table of Contents1
1 Introduction15
- General Information15
- Six-Step Troubleshooting Procedure15
- System Coverage15
2 Identification of System15
3 System Description and Functional Operation15
- Airbag System16
- Audio System19
- Communication20
- Compass Mini-Trip Computer (Cmtc)22
  - Vehicle Information Display23
- Door Ajar System25
- Electrically Heated Systems25
- Exterior Lighting System25
- Front Control Module25
- Heating & A/C System27
- Instrument Cluster29
  - Diagnostic Self Test30
- Interior Lighting30
- Power Door Locks/Remote Keyless Entry30
- Remote Keyless Entry30
- Telecommunications31
  - Hands Free Phone31
- Vehicle Theft Security System31
- Windshield Wipers/Washers31
- Using the Drbiii32
- Drbiii Error Messages and Blank Screen32
  - Drbiii Does Not Power up32
  - Display Is Not Visible32
4 Disclaimers, Safety, Warnings32
- Disclaimers32
- Safety32
- Warnings33
  - Vehicle Damage Warnings33
  - Road Testing a Complaint Vehicle33
5 Required Tools and Equipment34
6 Glossary of Terms34
7 Diagnostic Information and Procedures35
- Airbag36
- Accelerometer 136
- Accelerometer 236
- Deployment Data Record Full36
- Internal 136
- Internal 236
- Output Driver 136
- Stored Energy Firing 136
- Internal Module Test36
- Airbag Warning Indicator Open38
- Airbag Warning Indicator Short38
- Airbag Warning Indicator Test38
- Calibration Mismatch41
- Cluster Message Mismatch44
- Driver Seat Belt Tensioner Circuit Open46
- Driver Seat Belt Tensioner Circuit Short49
- Driver Seat Belt Tensioner Short to Battery52
- Driver Seat Belt Tensioner Short to Ground55
- Driver Squib 1 Circuit Open58
- Driver Squib 1 Circuit Short61
- Driver Squib 1 Short to Battery64
- Driver Squib 1 Short to Ground67
- Driver Squib 2 Circuit Open70
- Driver Squib 2 Circuit Short73
- Driver Squib 2 Short to Battery76
- Driver Squib 2 Short to Ground79
- Left Curtain Squib 1 Circuit Open82
- Left Curtain Squib 1 Circuit Short85
- Left Curtain Squib 1 Short to Battery88
- Left Curtain Squib 1 Short to Ground91
- Left Side Impact Sensor 1 Internal 194
- Loss of Ignition Run - Start96
- Loss of Ignition Run Only100
- Missing Current Vin104
- Module Not Configured for Pab off Switch107
- No Cluster Message110
- No Left Side Impact Sensor 1 Communication112
- No Pci Loopback116
- No Pci Transmission116
- No Right Side Impact Sensor 1 Communication121
- Occupant Classification Module Configuration Mismatch125
- Passenger Airbag On-Off Switch Open127
- Passenger Airbag On-Off Switch Short to Battery130
- Passenger Airbag On-Off Switch Short to Ground133
- Passenger off Indicator Circuit Short to Battery135
- Passenger off Indicator Circuit Short to Ground138
- Passenger Seat Belt Tensioner Circuit Open142
- Passenger Seat Belt Tensioner Circuit Short145
- Passenger Seat Belt Tensioner Short to Battery148
- Passenger Seat Belt Tensioner Short to Ground151
- Passenger Squib 1 Circuit Open154
- Passenger Squib 1 Circuit Short157
- Passenger Squib 1 Short to Battery160
- Passenger Squib 1 Short to Ground163
- Passenger Squib 2 Circuit Open166
- Passenger Squib 2 Circuit Short169
- Passenger Squib 2 Short to Battery172
- Passenger Squib 2 Short to Ground175
- Right Curtain Squib 1 Circuit Open178
- Right Curtain Squib 1 Circuit Short181
- Right Curtain Squib 1 Short to Battery184
- Right Curtain Squib 1 Short to Ground187
- Right Side Impact Sensor 1 Internal 1190
- Vehicle Body Style Mismatch192
- Airbag Indicator on Without Active Trouble Codes195
Audio196
- All Channels Short Together or to Ground196
- All Inputs no Activity197
- All Outputs Short - Premium Audio System199
- All Outputs Short- Base Audio System201
- Cassette Player Inop203
- CD Mechanical Failure203
- No Pci Transmission203
- Am/Fm Switch Inoperative203
- Any Station Preset Switch Inoperative203
- Balance Inoperative203
- CD Eject Switch Inoperative203
- Equalizer Inoperative203
- Fader Inoperative203
- Ff/Rw Switch Inoperative203
- CD Play Failure205
- CD Read Failure206
- CD Temperature High207
- Door And/Or Rear Channels Short to Ground208
- Front Door Channels Short Together or to Ground211
- Front I/P Channels Shorted Together or to Ground213
- Gps Antenna Not Connected216
- Left And/Or Right Front I/P and Door Channel Short to Ground217
- Left Front Door and Left Rear Channels Short Across220
- Left Front Door and Right Rear Channels Short Across221
- Left Front Door Channel Short Across222
- Left Front I/P and Left Front Door Channels Shorted Across223
- Left Front I/P and Left Rear Channels Short Across224
- Left Front I/P and Right Front Door Channels Short Across225
- Left Front I/P and Right Rear Channels Short Across226
- Left Front I/P Channel Short Across227
- Left Front Input no Activity228
- Left Rear Channel Short Across230
- Left Rear Input no Activity231
- Low Voltage Level233
- No Antenna Connection234
- Pci Failure235
- Power Amp Shutdown - Base Audio System236
- Power Amp Shutdown - Premium Audio System238
- Radio and Nav Gps Antenna Not Connected240
- Rear Speakers Short Together or to Ground241
- Remote Radio Switch Circuit High243
- Remote Radio Switch Circuit Stuck246
- Right Front Door and Left Rear Channels Short Across249
- Right Front Door and Right Rear Channels Short Across250
- Right Front Door Channel Short Across251
- Right Front I/P and Left Front Door Channels Short Across252
- Right Front I/P and Left Rear Channels Short Across253
- Right Front I/P and Right Front Door Channels Short Across254
- Right Front I/P and Right Rear Channels Short Across255
- Right Front I/P Channel Short Across256
- Right Front Input no Activity257
- Right I/P Speaker and both Rear Channels Short Across259
- Right Rear Channel Short Across260
- Right Rear Input no Activity261
- Software Checksum Failure263
- Amplifier Pretest264
- Chime Inoperative265
- Chime Sounds with Driver Door Open Key Removed266
- Key in Ignition and Driver's Door Open Chime Inoperative267
- Vehicle Speed Warning Chime Problem269
- Fcm - Bus Shorted to Battery270
- Fcm - Bus Shorted to Ground270
- Fcm - Eeprom Checksum Failure271
- Fcm - Internal Bootloader Checksum Failure271
- Fcm - Internal Flash Memory Checksum Failure271
- Fcm - Pci Bus Internal - Loopback Failure271
- Fcm - MIC Messages Not Received272
- Fcm - Pcm Messages Not Received273
- Fcm - Vin Not Learned Correctly275
- No Response from Airbag Control Module276
- No Response from Amplifier278
- No Response from Compass Mini-Trip Computer280
- No Response from Controller Antilock Brake282
- No Response from Ecm (Pci Bus) - Diesel Only284
- No Response from Ecm (Sci Only) - Diesel Only286
- No Response from Front Control Module288
- No Response from Hands Free Module290
- No Response from Hvac292
- No Response from Instrument Cluster294
- No Response from Pcm (Pci Bus) - Jtec296
- No Response from Pcm (Pci Bus) - Ngc297
- No Response from Pcm (Pcm Sci Only) - Ngc298
- No Response from Pcm (Sci Only) - Jtec301
- No Response from Radio304
- No Response from Sentry Key Immobilizer Module306
- No Response from Transfer Case Control Module308
- No Response from Transmission Control Module310
- Pci Bus Communication Failure313
Compass/Mini-Trip Computer316
- Bus Messages Missing316
- Cmtc Internal Failure317
- Demagnetize Compass as Per Service Manual318
- Fcm - Ambient Temp Configuration Error319
- Fcm - Ambient Temp Sensor Input Low320
- Fcm - Ambient Temp Sensor Input Open322
- Set Compass Variance as Per Service Information324
- Average Fuel Economy Inaccurate or Wrong325
- Distance to Empty Inaccurate or Wrong325
- Elapsed Ignition on Time Inaccurate or Wrong325
- Trip Odometer Inaccurate or Wrong325
- Cmtc or Evic Inoperative326
- Compass Test Failure327
- Temperature Display Inaccurate or Inoperative328
Door Ajar329
- Driver Door Ajar Circuit Open329
- Driver Door Ajar Circuit Shorted to Ground330
- Left Rear Door Ajar Circuit Open331
- Left Rear Door Ajar Circuit Short to Ground332
- Passenger Door Ajar Circuit Shorted to Ground333
- Passenger Door Ajar Ckt Open334
- Right Rear Door Ajar Circuit Open335
- Right Rear Door Ajar Circuit Short to Ground336
Electrically Heated Systems337
- Defog Relay Control Ckt Shorted to Batt337
- Electrically Heated Systems338
Exterior Lighting339
- Fcm-Front Fog Lamp Relay Output Circuit High339
- Fcm-Front Fog Lamp Relay Output Circuit Low340
- Fcm-Front Fog Lamp Relay Output Circuit Open341
- Fcm-Front Left Turn Output Circuit Low342
- Fcm-Front Left Turn Output Circuit Open343
- Fcm-Front Right Turn Output Circuit Low344
- Fcm-Front Right Turn Output Circuit Open345
- Fcm-Left Highbeam Output Circuit Low346
- Fcm-Left Highbeam Output Circuit Open347
- Fcm-Left Lowbeam Output Circuit Low348
- Fcm-Left Lowbeam Output Circuit Open349
- Fcm-Left Stop Lamp Output Circuit Low350
- Fcm-Left Stop Lamp Output Circuit Open351
- Fcm-Left Trail Relay Output Circuit High352
- Fcm-Left Trail Relay Output Circuit Low353
- Fcm-Left Trail Relay Output Circuit Open354
- Fcm-Park Lamp Relay Output Circuit High355
- Fcm-Park Lamp Relay Output Circuit Low356
- Fcm-Park Lamp Relay Output Circuit Open357
- Fcm-Rear Left Turn Output Circuit Low358
- Fcm-Rear Left Turn Output Circuit Open359
- Fcm-Rear Right Turn Output Circuit Low360
- Fcm-Rear Right Turn Output Circuit Open361
- Fcm-Right Highbeam Output Circuit Low362
- Fcm-Right Highbeam Output Circuit Open363
- Fcm-Right Lowbeam Output Circuit Low364
- Fcm-Right Lowbeam Output Circuit Open365
- Fcm-Right Stop Lamp Output Circuit Low366
- Fcm-Right Stop Lamp Output Circuit Open367
- Fcm-Right Trail Relay Output Circuit High368
- Fcm-Right Trail Relay Output Circuit Low369
- Fcm-Right Trail Relay Output Circuit Open370
- MIC-Headlamp Switch Input Circuit Open371
- MIC-Headlamp Switch Input Circuit Shorted373
- MIC-Turn Hazard Switch Input Circuit Open374
- MIC-Turn Hazard Switch Input Circuit Short375
- A/C Switch Fault (Active)376
- Checksum Failure (Active)376
- Defog Switch Fault (Active)376
- Recirc Switch Fault (Active)376
- A/C Switch Fault (Stored)377
- Backlight Dimming Rx Failure (Stored)377
- Act Ckt Test Passed, Overcurrent Dtcs Active381
- Backlight Dimming Rx Failure (Active)388
- Blend Calibration Fault390
- Blend Overcurrent (Active)393
- Blower Not on High395
- Cooldown Test Sensor Failure396
- Cooldown Test too Cold to Start398
- Defog Relay Control Ckt Shorted to Batt401
- Engine Gauge Rx Failure (Active)402
- Evaporator Temperature Sensor Circuit Open (Active)404
- Evaporator Temperature Sensor Circuit Shorted (Active)406
- Loopback Test Failure (Active)408
- Tx Failure (Active)409
- A/C - Heater Control Illumination Inoperative411
- A/C Status Indicator Flashing413
- Ebl Status Indicator Flashing413
- A/C Status Indicator will Not Illuminate -- A/C - Heater Control415
- Without Ebl Sw415
- Blend/Mode/Recirc Door Operation Improper -- Dual-Zone416
- Blend/Mode/Recirc Door Operation Improper Single-Zone419
- Blower Motor Inoperative422
- Blower Motor Speeds Incorrect425
- Hvac System Test427
Ignition, Power, Accessory429
- Battery 1 Voltage Open429
- Battery 2 Voltage Open430
- Battery Voltage Open431
- Horn Relay Control Circuit High432
- Horn Relay Control Circuit Low433
- Horn Relay Control Circuit Open433
- Ignition Run/Start Mismatch435
- Horns Inoperative436
- Instrument Cluster437
Instrument Cluster439
- Abs Indicator Output Circuit Open439
- Abs Indicator Output Circuit Shorted439
- Airbag Warning Indicator Output Circuit Open439
- Airbag Warning Indicator Output Circuit Short439
- Mil Indicator Output Circuit Open439
- Mil Indicator Output Circuit Shorted439
- Wait to Start Indicator Output Circuit Open439
- Wait to Start Indicator Output Circuit Shorted439
- Abs Messages Not Received441
- Acm Messages Not Received441
- Fcm Messages Not Received441
- Skim Messages Not Received441
- Tccm Messages Not Received441
- Tcm Messages Not Received441
- Btsi Output Circuit Shorted or Open443
- Incorrect Odometer Value Found445
- Internal Module Bootloader Failure446
- Internal Module Flash Memory Checksum Failure446
- Pci Bus Internal Failure447
- Pcm Messages Not Received448
- Prndl Switch Input Circuit Open (Diesel Only)450
- Prndl Switch Input Circuit Shorted (Diesel Only)452
- Vin Checksum Error454
- Vin Previously Stored454
- All Gauges Inoperative455
- Any Pci Indicator Inoperative458
- Brake Warning Indicator Always on459
- Brake Warning Indicator Inoperative461
- Fuel Gauge Inaccurate463
- One Gauge Inoperative - Gas Engines464
- Prndl Not Displaying Correct Position (Eatx Vehicles)465
- Seat Belt Warning Indicator Always off466
- Seat Belt Warning Indicator Always off - Standard Cab467
- Seat Belt Warning Indicator Always on468
- Seat Belt Warning Indicator Always on - Standard Cab469
Interior Lighting471
- MIC-Cargo Lamp Output Circuit Shorted or Open471
- MIC-Courtesy-Dome Lamp Output Circuit Shorted or Open472
- MIC-Glove Box-Map Lamp Output Circuit Short or Open473
Power Door Locks/Rke474
- All Door Lock Output Circuit Short to Ground or Voltage474
- All Door Unlock Output Circuit Short to Ground or Voltage477
- Driver Cylinder Lock Switch Input Circuit Shorted480
- Only)480
- Driver Cylinder Lock Switch Input Stuck (with Vtss Only)482
- Voltage483
- Driver Door Lock Switch Input Circuit Open or Short to484
- Driver Door Lock Switch Input Circuit Shorted485
- Driver Door Lock Switch Input Circuit Stuck487
- Voltage488
- Driver Door Unlock Output Circuit Short to Ground or489
- Passenger Door Lock Switch Input Circuit Open or Short to490
- Voltage490
- Passenger Door Lock Switch Input Circuit Shorted492
- Passenger Door Lock Switch Input Circuit Stuck494
- Rke Fob Battery Low495
- Rke Module Communication Link496
- All Door Locks Inoperative497
- Auto (Rolling) Door Locks Inoperative498
- Cylinder Lock Switch Inoperative499
- Cylinder Lock Switch will Not Arm And/Or Disarm Alarm499
- Door Lock Inhibit Inoperative501
- Left Doors Fail to Lock and Unlock - Quad Cab502
- One Door Lock Motor Inoperative504
- Right Doors Fail to Lock and Unlock - Quad Cab505
- Rke Inoperative507
- Audio Hardware Message Not Received509
- Bluetooth Error510
- Flash Checksum Error510
- Flash Write Error510
- Pci Bus Internal Error510
- Ram Write Error510
- Rom Checksum Error510
- Body Style Message Not Received512
- Invalid Body Style512
- General Microphone Fault513
- Ignition Power Message Not Received515
- Left Audio Input Short to Ground516
- Left Audio Input Short to Voltage516
- Left Audio Output 1 Short to Ground516
- Left Audio Output 1 Short to Voltage516
- Mirror Power Circuit Short to Ground519
- Mirror Power Circuit Short to Voltage519
- Pci Bus Busy521
- Pci Bus Circuit Open521
- Pci Bus Circuit Short to Ground521
- Pci Bus Circuit Short to Voltage521
- Phone Switch Stuck523
- Voice Recognition Switch Stuck523
- Voice Recognition/Phone Switch Circuit Rationality523
- Voice Recognition/Phone Switch Circuit Short to Ground523
- Voice Recognition/Phone Switch Circuit Short to Voltage523
- Prndl Message Not Received527
- Radio Message Not Received528
- Right Audio Input Short to Ground529
- Right Audio Input Short to Voltage529
- Right Audio Output 1 Short to Ground529
- Right Audio Output 1 Short to Voltage529
- Rpm Message Not Received532
- Vin Message Not Received533
- Vin Mismatch534
Vehicle Theft/Security535
- Alarm Trips on Its Own535
- Driver Door Does Not Trip Vtss536
- Headlamps Fail to Flash When Alarm Is Tripped537
- Horn Fails to Sound When Alarm Is Tripped538
- Left Rear Door Does Not Trip Vtss (4 Door)539
- Passenger Door Does Not Trip Vtss540
- Right Rear Door Does Not Trip Vtss (4 Door)541
- Vtss will Not Arm Properly542
Windshield Wiper & Washer544
- Fcm-Washer Fluid Level Sensor Circuit Failure544
- Fcm-Washer Pump Output Circuit Low546
- Fcm-Washer Pump Output Circuit Open548
- Fcm-Wiper On-Off Relay Output Circuit High550
- Fcm-Wiper On-Off Relay Output Circuit Low551
- Fcm-Wiper On-Off Relay Output Circuit Open552
- Fcm-Wiper Park Switch Input Performance553
- Fcm-Wiper Speed Relay Output Circuit High555
- Fcm-Wiper Speed Relay Output Circuit Low556
- Fcm-Wiper Speed Relay Output Circuit Open557
- MIC-Wash-Beam Input Circuit Shorted558
- MIC-Wiper Switch Input Circuit Open560
- MIC-Wiper Switch Input Circuit Shorted562
Verification Tests564
8 Component Locations571
- Airbag System571
- Audio572
  - Amplifier572
- Heating & A/C572
- Instrument Cluster573
- Power Door Locks/Rke573
  - Cylinder Lock Switch573
  - Rke Module573
9 Connector Pinouts575
- A/C Heater Control C1 - Black 16 Way575
- A/C Heater Control C2 - Black 10 Way575
- Airbag Control Module C1 - 24 Way576
- Airbag Control Module C2 - 32 Way577
- Airbag-Driver Squib 1 - (Sensor Side)577
- Airbag-Driver Squib 2 - (Sensor Side)578
- Airbag-Left Curtain - Yellow 2 Way578
- Airbag-Passenger On/Off Switch - 6 Way578
- Airbag-Passenger Squib - 4 Way578
- Airbag-Right Curtain - Yellow 2 Way579
- Ambient Temperature Sensor - 2 Way579
- Amplifier Audio C1 (Premium) - Gray 12 Way579
- Amplifier Audio C2 (Premium) - Gray 18 Way580
- Automatic Day/Night Mirror C1 (Except Base) - 7 Way580
- Automatic Day/Night Mirror C2 (Telematics) - 12 Way580
- Blend Door Actuator (Single Zone) - 2 Way581
- Blower Motor - Black 2 Way581
- Blower Motor Resistor Block - Black 4 Way581
- Brake Transmission Shift Interlock Solenoid - Black 2 Way581
- C200 - (Hvac Side)582
- C200 - (I/P Side)582
- C201 - White (Headliner Side)582
- C201 - White (I/P Side)583
- C219 - (Headlamp and Dash Side)584
- C219 - (I/P Side)585
- C220 - (I/P Side)586
- C220 - Natural (Body Side)586
- C308 - (Body Side)587
- C308 - (I/P Side)587
- Clockspring C1 - 6 Way587
- Clockspring C2 - Yellow 4 Way588
- Clockspring C3 - Black 4 Way588
- Clockspring C4 - 2 Way588
- Compass/Mini-Trip Computer (Except Base) - Black 6 Way588
- Controller Anitlock Brake C1 - Black 14 Way589
- Cylinder Lock Switch-Driver (Premium) - 2 Way589
- Data Link Connector - Black 16 Way589
- Dome Lamp - Black 3 Way590
- Door Ajar Switch-Driver - Black 2 Way590
- Door Ajar Switch-Left Rear - Black 2 Way590
- Door Ajar Switch-Passenger - Black 2 Way590
- Door Ajar Switch-Right Rear - Black 2 Way590
- Door Lock Motor/Ajar Switch-Driver - Black 4 Way591
- Door Lock Motor/Ajar Switch-Left Rear - Black 4 Way591
- Door Lock Motor/Ajar Switch-Passenger - Black 4 Way591
- Door Lock Motor/Ajar Switch-Right Rear - Black 4 Way591
- Door Lock Switch-Passenger - 6 Way592
- Driver Blend Door Actuator (Dual Zone)592
- Driver Door Module C1 - Blue 12 Way592
- Driver Door Module C2 - Blue 8 Way592
- Engine Control Module C2 (Diesel) - 50 Way593
- Evaporator Temperature Sensor - 2 Way594
- Fog Lamp-Left - Gray 2 Way594
- Fog Lamp-Right - White 2 Way594
- Glove Box Lamp and Switch - Black 2 Way594
- Hands Free Module (Telematics) - 22 Way595
- Headlamp Switch - Black 8 Way595
- Headlamp-Left - Blue 3 Way595
- Heated Mirror Relay - 5 Way597
- Horn Switch - White 2 Way597
- Horn-High Note - 2 Way597
- Horn-Low Note - 2 Way597
- Ignition Switch - Black 14 Way598
- Instrument Cluster C1 - White 26 Way598
- Instrument Cluster C2 - Gray 16 Way599
- Instrument Cluster C3 - Gray 26 Way599
- Integrated Power Module (Fcm) - 49 Way601
- Fog Lamp Relay604
- Horn Relay604
- Wiper High/Low Relay604
- Park Lamp Relay604
- Trailer Tow Left Turn Relay604
- Trailer Tow Right Turn Relay604
- Wiper On/Off Relay604
- Integrated Power Module C1 - 26 Way605
- Integrated Power Module C2 - White 15 Way605
- Integrated Power Module C3 - 16 Way606
- Integrated Power Module C4 - 10 Way606
- Integrated Power Module C5 - 26 Way607
- Integrated Power Module C7 - Gray 26 Way608
- Mode Door Actuator 1 (Panel to Floor) - 2 Way608
- Mode Door Actuator 2 (Defrost to Floor) - 2 Way608
- Multi-Function Switch - Black 4 Way609
- Park/Turn Signal Lamp-Left Front - Brown 3 Way609
- Passenger Blend Door Actuator (Dual-Zone) - 2 Way609
- Powertrain Control Module C1 (Ngc) - Black 38 Way610
- Radio C1 (Except Infinity) - Gray 22 Way611
- Radio C1 (Infinity) - Gray 22 Way611
- Radio C2 - 10 Way612
- Rear Window Defogger Relay614
- Recirculation Door Actuator - 2 Way614
- Remote Radio Switch-Left - Black 2 Way614
- Remote Radio Switch-Right - Black 2 Way614
  - Seat Belt Tensioner Reducer (Standard Cab) - 2 Way614
  - Seat Belt Tensioner-Driver - 2 Way615
  - Seat Belt Tensioner-Passenger - 2 Way615
  - Sentry Key Immobilizer Module (Skim) - Black 6 Way615
  - Side Impact Sensor-Left - 4 Way615
  - Side Impact Sensor-Right - 4 Way615
  - Speaker-Center Instrument Panel - 2 Way616
  - Speaker-Left Front Door - White 3 Way616
  - Speaker-Left Instrument Panel - Black 2 Way616
  - Speaker-Left Rear - White 3 Way616
  - Speaker-Right Front Door - White 3 Way617
  - Speaker-Right Instrument Panel - Black 2 Way617
  - Speaker-Right Rear - White 3 Way617
  - TRANSFER CASE CONTROL MODULE C1 (ELECTRIC 4X4) - 16 WAY617
  - TRANSFER CASE CONTROL MODULE C2 (ELECTRIC 4X4) - 16 WAY618
  - TRANSFER CASE CONTROL MODULE C3 (ELECTRIC 4X4) - 4 WAY618
  - Wiper Motor - 4 Way618
10 Schematic Diagrams619
- Airbag System619
- Audio System620
- Communication623
- Door Ajar System626
- Electrically Heated Systems627
  - Heated Mirror System627
  - Rear Window Defogger628
- Exterior Lights629
- Heating A/C System630
- Ignition, Power, Accessory631
  - Horn System631
- Instrument Cluster632
- Overhead Console633
- Power Door Locks634
- Telecommunications - Hands Free System635
- Vehicle Theft Security System636
- Wipers637
11 Charts and Graphs639
- Diagnostic Trouble Code639

Dodge Ram 2004 - Ignition, Power, Accessory; Horn System

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