2003 GMC Yukon Support Question
2003 GMC Yukon Support Question
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Question posted by mhallzy on January 13th, 2014
Why Is The Passenger Tail Light Not Working?
The passenger side tail light is not working. The signal and brake are still working fine, as well as tail, turn and stop on the drivers side. I have checked the bulb and fuse.
Current Answers
Answer #1: Posted by TexasDeviL on January 13th, 2014 11:19 PM
TexasDeviL
Member since:
December 27th, 2012 Points: 960,825
Member since:
December 27th, 2012 Points: 960,825
My first guess would be the bulb but you say thats been checked and dismissed. That leaves a break in the circuit after the harness splits to each side and the connecter for the bulb itself. So easy stuff first.. if you have a test light make sure theres power coming thru the connecter for both filaments and use dialectric grease just to ensure its making a good connection. If theres no power at the connecter you need to inspect the harness at the point it splits to each side of the truck. And a little trick I use on all quick connections on the harnesses of my vehicles is to run a zip tie around them. It stops road vibration from working them loose.
The one thing i can be sure of is if its just the one running light then its localized between the harness split and the bulb.
If you agree that the answer I provided is correct please remember to "accept" and/or mark it as "helpful" so I know I'm doing a good job. Thank you, I would really appreciate it.
[automotive mechanic and phone modding enthusiast]
Related Manual Pages
Owner's Manual - Page 76
... this seat, check to be ready to work for the driver and/or the right front passenger, the words AIR BAG will light and stay lit when the key is off before you 're using a rear-facing child restraint in this ever happens, turn off , unbuckle the safety belt and perform the steps to RUN or...
Owner's Manual - Page 80
... you if there is in the middle of the steering wheel.
1-74
The system checks the air bag electrical system for more information. The driver's frontal air bag is an electrical problem. See Air Bag Readiness Light on the instrument panel cluster, which shows the air bag symbol. There is an air bag...
Owner's Manual - Page 86
...breakage may also occur from the right front passenger air bag.
• Let only qualified technicians work on the driver's and right front passenger's seatback, the bag may have to ...an air bag, windshields are broken by vehicle deformation. The module also records speed, engine rpm, brake and throttle data. The service manual for service.
• Air bags are designed to help the...
Owner's Manual - Page 88
...
{CAUTION:
A child in a rear-facing child restraint can be very close to turn off the passenger's frontal air bag if the system detects a rear-facing child restraint, no system is... the air bag is off before using a rear-facing child restraint in a booster seat. The passenger sensing system works with sensors that are restrained in the rear seat whenever possible, even if the air bag is off...
Owner's Manual - Page 109
..., when the front driver's door button labeled is not engaged, the passenger's power windows will work when the ignition has been turned to be lowered without holding the switch. To disengage the feature, press the switch again and the indicator light will illuminate. This feature prevents all windows from operating, except from side-to lower...
Owner's Manual - Page 112
... your dealer. If the engine stalls and the security light flashes, wait until the light stops flashing before trying to release the key from START as soon as the engine starts. Your vehicle is not working properly and must be able to check the fuse (see Fuses and Circuit Breakers on page 4-61 for the...
Owner's Manual - Page 163
.... You can be on mist longer. Turn Signal On Chime
If your high-beam headlamps to turn signal lever toward you . Windshield Wipers 8: Mist 9: Off
You control the windshield wipers by turning the band with the wiper symbol on . Release the lever to signal a driver in light rain or snow. To use your turn , check for a long or short delay...
Owner's Manual - Page 168
...
Erasing Speed Memory
When you turn off :
Exterior Lamps
Step lightly on the driver's side of your cruise control set speed memory is erased. An indicator light will automatically deactivate if road ... when selected.
3-14 The control on the brake pedal. Ending Cruise Control
There are four ways cruise control can be turned off the cruise control or the ignition, your...
Owner's Manual - Page 181
...turning on the engine coolant temperature. When AUTO is over about 20 minutes for the system to regulate. To make the passenger's temperature the same as necessary. Pressing the fan switch will override this delay and change to a selected speed.
3-27 The light... of the instrument panel near the windshield. Turn the driver's or passenger's side temperature knob to cover the sensor ...
Owner's Manual - Page 191
... Driver Information Center (DIC) on your vehicle.
Often gages and warning lights work together to let you locate them. So please get to your warning lights and gages could also save you are familiar with the warning lights and gages. When one of the warning lights comes on and stays on when there may be a problem, check...
Owner's Manual - Page 194
... on after you start your air bag system may not work properly. Air Bag Readiness Light
There is already buckled, neither the chime nor the light will come on page 1-70. The system check includes the air bag sensors, the air bag modules, the passenger sensing system (if equipped), the wiring and the crash sensing...
Owner's Manual - Page 195
... seconds, the status indicator will light either ON or OFF, or either the on or off symbol to let you have a rear-facing child restraint installed in the right front passenger's seat, it means that the passenger sensing system has not turned off . Then, after several seconds as a system check. If the word ON or...
Owner's Manual - Page 277
...will not operate and LOCKED will not operate if stolen. The feature works automatically by learning a portion of the tape. PROG (Program): ...the beginning of your vehicle for each of these functions to work:
Audio Steering Wheel Controls
You can press this
button to... armed. When the radio and vehicle are turned off, the blinking red light indicates that THEFTLOCK® is moved to ...
Owner's Manual - Page 291
... continue to stop , even though you
4-9 apply and release the brake pedal and it is working to supply additional...brakes, it is also equipped with the supplemental brake assist system, the SERVICE BRAKE BOOSTER message will be serviced. Each time you . Supplemental Brake Assist System
If your foot from the brake pedal. Braking in front of you, you will perform a self-diagnostic check...
Owner's Manual - Page 322
... raining.
If you 're going through some car washes can come in a quick stop and may affect your vehicle is dangerous. Hydroplaning
Hydroplaning is hydroplaning, it has little or no... that they can happen if a lot of water or a car wash, apply your brake pedal lightly until your brakes work as well in through your engine's air intake and badly damage your vehicle. Driving too...
Owner's Manual - Page 352
...drivers behind you signal a turn or lane change lanes or stop. It's important to check occasionally to be damaged. Avoid making very sharp turns while trailering. Signal well in DRIVE (D). Driving On Grades
Reduce speed and shift to a lower gear before turning... make wider turns than at normal altitudes. To avoid this so your brakes so much that they are still working.
4-70...
Owner's Manual - Page 502
... Fluid ...5-40 Brake Pedal, Throttle ...2-21 Brake Pedal Travel ...5-43 Brake Wear ...5-42 Brake ...2-34 Parking ...2-34 System Inspection ...6-16 System Warning Light ...3-43 Brakes ...5-40 Braking in Emergencies ...4-9 Braking ...4-6 Break-In, New Vehicle ...2-18 Bucket Seats, Rear ...1-20 BUCKLE PASSENGER ...3-65 BUCKLE SEATBELT ...3-65 Bulb Replacement ...5-52 Front Turn Signal, Sidemarker and...
Owner's Manual - Page 508
Tire Pressure ...Inspection ...Brake System ...Engine Cooling System ...Exhaust System ...Fuel System ...Part C - H
Hazard Warning Flashers ...3-6 Head Restraints ...1-8 Headlamp High/Low-Beam Changer ...3-9 Headlamps ...5-53 Bulb Replacement ...5-52 Front Turn Signal, Sidemarker and Daytime Running Lamps ...5-54 Halogen Bulbs ...5-53 Roof Marker Lamps ...5-55 Side Identification Marker ...
Owner's Manual - Page 512
... Maintenance Inspections ...6-15 Part D - Parking Brake and Automatic Transmission Park (P) Mechanism Check ...6-14 Parking on Hills ...4-71 Parking ...2-34 Brake ...2-34 Over Things That Burn ...2-38 Part A - Maintenance Record ...6-19 Passenger Air Bag Indicator ...2-43, 2-45 Passenger Air Bag Status Indicator ...3-40 PASSENGER DOOR AJAR ...3-67 Passenger Sensing System ...1-81 Passing ...4-20...
Owner's Manual - Page 517
...Odometer ...3-39 Turn and Lane-Change Signals ...3-8 TURN SIGNAL ON ...3-71 Turn Signal/Multifunction Lever ...3-8 Turn Signals When Towing a... Gage ...3-43
U
Underbody Flushing Service ...6-14 Underhood Fuse Block ...5-101 Understanding Radio Reception ...3-124 Uniform Tire ...on Fabric ...5-89 Using HomeLink® ...2-53
W
Warning Lights, Gages and Indicators ...3-37 Warnings ...3-64 DIC Warnings ...
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