2004 GMC SAFARI wiring

Relays Usage
A/C Relay
(Rear Heat
and A/C)Rear/Heat and Air Conditioning
Uptter-ACCY
RelayUptter Accessory
Starter Enable
RelayStarter
A/C Enable
RelayAir Conditioning
Headlamps
RelayHeadlamps
Fuel Pump
RelayFuel Pump
Fuse/Circuit
BreakerUsage
UPFITTER-
BATTUptter Battery Power Stud, Trailer
Wiring Harness
UPFITTER-
ACCYUptter Accessory Relay
Spare Not used
Spare Not usedFuse/Circuit
BreakerUsage
Spare Not used
ECM-1BFuel Pump Relay and Motor, VCM,
Oil Pressure Switch/Sender
HORN Horn Relay and Horn
A/C COMPAir Conditioning Enable Relay and
Compressor
RR HTR/AC Rear Heater and Air Conditioning
ATC Active Transfer Case-L Van
FRT HVAC Front Heater and Air Conditioning
ENG-IOxygen Sensors, Camshaft Position
Sensor, Mass Air Flow Sensor,
Evaporative Emission Canister Vent
Solenoid
IGN-E Air Conditioning Enable Relay Coil
ECM-IFuel Injectors 1–6, Crankshaft
Position Sensot, VCM, Coil Driver
Module (EST), Ignition Coil
Blank Not Used
RH HDLMP Right Headlamp
LH Headlamp Left Headlamp
Blank Not Used
Blank Not Used
5-107

Customer Assistance Information
Courtesy Transportation.................................. 7-8
Customer Assistance for Text Telephone (TTY)
Users....................................................... 7-4
Customer Assistance Offices........................... 7-4
Customer Satisfaction Procedure..................... 7-2
GM Mobility Program for Persons with
Disabilities................................................ 7-6
Reporting Safety Defects to General Motors....7-12
Reporting Safety Defects to the Canadian
Government............................................7-11
Reporting Safety Defects to the United States
Government............................................7-11
Roadside Assistance Program......................... 7-6
Service Publications Ordering Information........7-12
D
Daytime Running Lamps (DRL).........................3-14
Defensive Driving............................................. 4-2
Defogging and Defrosting.................................3-19
Directing the Airow........................................3-22
Disabling the Theft-Deterrent Feature.................3-49
Doing Your Own Service Work........................... 5-3
Dome Lamps.................................................3-16
Door
Locks.......................................................... 2-6
Power Door Locks......................................... 2-7
Programmable Automatic Door Locks............... 2-7Door (cont.)
Rear Doors.................................................2-11
Sliding Side Door.......................................... 2-8
Driver
Position, Safety Belt.....................................1-18
Driver Information System................................2-39
Driving
At Night.....................................................4-14
City...........................................................4-19
Defensive..................................................... 4-2
Drunken....................................................... 4-3
Freeway.....................................................4-20
Hill and Mountain Roads..............................4-22
In Rain and on Wet Roads...........................4-16
Winter........................................................4-24
Driving On Grades..........................................4-43
Driving on Snow or Ice....................................4-24
Driving Through Deep Standing Water...............4-18
Driving Through Flowing Water.........................4-18
Driving with a Trailer.......................................4-41
E
Electrical System
Add-On Electrical Equipment.......................5-102
Fuses and Circuit Breakers.........................5-102
Headlamp Wiring.......................................5-102
Power Windows and Other Power Options....5-102
4

Fuel (cont.)
Filling Your Tank........................................... 5-7
Fuels in Foreign Countries.............................. 5-6
Gage.........................................................3-36
Gasoline Octane........................................... 5-4
Gasoline Specications.................................. 5-5
Low Warning Light.......................................3-37
System Inspection.......................................6-30
Fuel Regulator................................................2-19
Fuses
Fuses and Circuit Breakers.........................5-102
Windshield Wiper.......................................5-102
G
Gage
Check Gages Warning Light..........................3-36
Engine Coolant Temperature.........................3-30
Fuel..........................................................3-36
Oil Pressure...............................................3-34
Speedometer..............................................3-25
Voltmeter Gage...........................................3-28
Gasoline
Octane........................................................ 5-4
Specications............................................... 5-5
Gate Operator and Canadian Programming........2-33
GM Mobility Program for Persons with
Disabilities.................................................... 7-6
H
Hatch Release................................................2-13
Hazard Warning Flashers................................... 3-4
Head Restraints............................................... 1-5
Headlamp High/Low-Beam Changer.................... 3-7
Headlamp Wiring...........................................5-102
Headlamps....................................................5-53
Bulb Replacement.......................................5-53
Front Turn Signal Lamps..............................5-57
Halogen Bulbs............................................5-53
Highway Hypnosis...........................................4-22
Hill and Mountain Roads..................................4-22
Hitches..........................................................4-39
HomeLink
®Transmitter, Programming................2-32
Hood
Checking Things Under.................................. 5-9
Release.....................................................5-10
Horn............................................................... 3-5
How to Add Coolant to the Coolant
Recovery Tank............................................5-32
How to Add Coolant to the Radiator..................5-35
How to Add Fluid............................................5-25
How to Check........................................5-24, 5-72
How to Check Lubricant...................................5-51
How to Check Power Steering Fluid..................5-38
How to Inspect the Engine Air Cleaner/Filter.......5-22
How to Use This Manual...................................... ii
6

Spare Tire Check............................................6-26
Special Fabric Cleaning Problems.....................5-94
Specications, Capacities...............................5-109
Speedometer..................................................3-25
Starter Switch Check.......................................6-27
Starting Your Engine.......................................2-19
Steering.......................................................... 4-9
Steering in Emergencies..................................4-10
Steering, Suspension and Front Drive Axle Boot
and Seal Inspection.....................................6-30
Steering Tips................................................... 4-9
Storage Areas................................................2-35
Convenience Net.........................................2-42
Luggage Carrier..........................................2-41
Overhead Console.......................................2-36
Storing a Flat or Spare Tire and Tools...............5-91
Stuck in Sand, Mud, Ice or Snow......................4-28
Sun Visors.....................................................2-15
Sunglasses Storage Compartment.....................2-41
T
Taillamps.......................................................5-58
Theft-Deterrent, Radio.....................................3-47
Theft-Deterrent Systems...................................2-16
Passlock
®...................................................2-16
Throttle System Inspection...............................6-31
Tilt Wheel........................................................ 3-5
Tire Ination Check.........................................6-25Tire Sidewall Labeling......................................5-62
Tire Size.......................................................5-67
Tire Terminology and Denitions........................5-68
Tires.............................................................5-61
Buying New Tires........................................5-75
Chains.......................................................5-78
Changing a Flat Tire....................................5-80
Compact Spare Tire.....................................5-92
If a Tire Goes Flat.......................................5-79
Ination - Tire Pressure................................5-71
Inspection and Rotation................................5-72
Uniform Tire Quality Grading.........................5-76
Wheel Alignment and Tire Balance.................5-77
Wheel Replacement.....................................5-77
When It Is Time for New Tires......................5-74
To Use the Engine Coolant Heater....................2-20
Top Strap......................................................1-48
Top Strap Anchor Location...............................1-50
Torque Lock...................................................2-27
Total Weight on Your Vehicle’s Tires..................4-38
Tow/Haul Mode...............................................4-36
Tow/Haul Mode Button.....................................2-23
Tow/Haul Mode Light.......................................3-36
Towing
Recreational Vehicle.....................................4-29
Towing a Trailer..........................................4-35
Your Vehicle...............................................4-29
Trailer Brakes.................................................4-40
Trailer Wiring Harness.....................................4-45
13