1991 GMC RVP ELECTRICAL DIAGRAMS MANUAL – PDF DOWNLOAD
DESCRIPTION:
1991 GMC RVP ELECTRICAL DIAGRAMS MANUAL – PDF DOWNLOAD
HOW TO USE THIS MANUAL
The purpose of this manual is to provide:
• Clean and simple electrical circuit diagrams.
• Discussion of circuit electrical operation.
• Simplified diagnosis and testing procedures.
• Component location views.
Each electrical system or circuit will provide the following
information:
• Circuit Operation.
• Circuit Diagrams.
• Component Location.
• Diagnosis Charts
HANDLING ELECTROSTATIC DISCHARGE (ESD) SENSITIVE PARTS When handling an electronic part that has an ESD sensitive sticker (Figure 1), the service technician should follow these guidelines to reduce any possible electrostatic charge build-up on the service technician’s body and the electronic part in the dealership
1. Do not open the package until it is time to install the part.
2. Avoid touching the electrical terminals of the part.
3. Before removing the part from its package, ground the package to a known good ground on the vehicle.
4. Always touch a known good ground before handling the part. This should be repeated while handling the part and more frequently after sliding across the seat, sitting down from a standing position or walking a distance
TABLE OF CONTENTS:
1991 GMC RVP ELECTRICAL DIAGRAMS MANUAL – PDF DOWNLOAD
INTRODUCTION
Introduction
Page
3
How to Use This Manual 3
Handling Electrostatic Discharge
(ESD) Sensitive P a rts 3
Circuit Operation 3
Circuit Diagrams 3
Component Locations 3
Diagnosis 4
Basic Electricity 4
Circuit Malfunctions 4
Electrical Test Equipment 4
Circuit Wiring Repair Procedures 6
Weather-Pack Connectors 8
Metri-Pack Connectors 8
Special Tools 9
Regular Production Option (RPO) List 10
Abbreviation List 10
General Index Index 1
R/V TRUCK MODELS – SECTION A
Phantom Views
Page
A-2
Symptom Index A-8
Power Distribution A-10
Fuse Block Details A-14
Bulb Data and Fuse Block Identification A-15
Ground Distribution A-16
Circuit Circuit
Operation Diagram
Page Page
Headlamps (Base) A-23 A-25
Canadian Daytime Running Lamps A-23 A-26
Quad Halogen A-23 A-32
Hazard Lamps A-33 A-34
Front Park and Sider Marker Lamps A-33 A-36
Turn Lamps A-42 A-44
Horns A-48 A-49
Cigarette Lighter A-48 A-49
Windshield Wipers and Washers (Pulse) A-50 A-52
Start and Charge A-53 A-55
Auxiliary Cooling F a n A-89 A-90
Circuit
Operation
Page
Air Conditioning A-91
Heater A-91
Auxiliary Heater A-91
Gages and Warning Indicators A-100
Audio Alarm Module A-111
Rear Wheel Antilock Brakes/Brake Warning A-114
Dome Lamps A-118
Cruise Control A-122
Four-Wheel Drive A-125
Power Mirrors and Door Locks A-127
Power Windows A-136
Radio AM and AM/FM Stereo A-143
Rear Defogger A-146
Rear Lamps A-149
Rear Park and Marker Lamps A-149
Taillamps A-149
Trailer T ow A-149
Backup Lamps A-149
License Lamps A-149
Vacuum Systems A-161
Component Locator V iew s A-166
Component Locater Index A-194
ECM Pinouts
PCM Pinouts
TCM Pinouts
PCM Inputs
PCM Outputs
TCM
Hot Fuel Handling
Torque Converter Clutch Control
Ignition
ECM Inputs
ECM Outputs
Fuel Control and Idle Air Control
Instrument Cluster
Circuit
Diagram
P TRUCK MODELS – SECTION B
Page
Phantom Views B-2
Symptom Index B-3
Power Distribution B-4
Fuse Block Details B-10
Lamp Bulb D a ta B-14
Ground Distribution B-15
C ircu it
O p e ra tio n
Page
Headlamps (Ba s e) B-22
Canadian Daytime Running Lamps B-25
Park, Marker and Hazard Signal Lam ps B-30
Turn Lamps B-33
Horns B-35
Windshield Wipers and Washers B-37
Starting/Charging B-39
Glow Plugs B-59
Fuel Controls B-62
Instrument Panel B-66
Indicator Lamps B-66
G a g e s B-66
Instrument Panel Lamps B-66
Brake Warning System B-73
Rear Exterior Lamps B-75
Backup Lamps B-75
Taillamps, Rear Marker and License Lamps B-75
Vacuum System B-79
Component Locator V iew s B-81
Component Locater Index B-87
ECM Pinouts
ECM In p u ts
ECM Outputs
PCM Pinouts
PCM In p u ts
PCM Outputs
TCM Pinouts
TCM Inputs/Outputs
Instrument Cluster
Circuit
Diagram
2 TABLE OF CONTENTS
P MOTORHOME – SECTION C
Page
Phantom Views C-2
Symptom Index C-3
Power Distribution C-4
Fuse Block Details C-8
Lamp Bulb D a ta C-10
Ground Distribution C-11
Circuit
Operation
Page
Headlamps (Ba s e) C-13
Canadian Daytime Running Lamps C-16
Park, Marker and Hazard Signal Lamps C-21
Turn Lamps C-23
Horns C-25
Windshield Wipers and Washers C-27
Starting/Charging C-29
Glow Plugs C-43
Fuel Controls C-46
Auxiliary Cooling F a n C-48
Provisions for Air Conditioning C-48
Cruise Control C-51
Instrument Panel C-53
Instrument Cluster C-53
Indicator Lamps C-53
G ag e s C-53
Instrument Panel Lamps C-53
Provisions for Dome Lamps C-53
Rear Lamps C-60
Taillamps C-60
Backup Lamps C-60
Vacuum System C-64
Component Locator Views
Component Locater Index
Ignition
PCM Pinouts
PCM Inputs
PCM Outputs
Throttle Body Injection
TCM Pinouts
TCM Inputs/Outputs
DRAC
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PLEASE NOTE:
- This is the SAME exact manual used by your dealers to fix your vehicle.
- The same can be yours in the next 2-3 mins as you will be directed to the download page immediately after paying for the manual.
- Any queries / doubts regarding your purchase, please feel free to contact [email protected]
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