Why does the warning light come on on my GMC Yukon?

Why does the warning light come on on my GMC Yukon?

In some cases, the warning light can come on because wheel-speed sensors are covered with road grime or debris. Several GM models from recent years have had this problem, and GM issued a technical service bulletin to dealers to address it.

What causes brake lights to go out but lower lights work?

If the plunger of the switch does not contact the pedal, check for an adjustment. In rare instances, the brake booster may fail, and the pedal will not rise enough to contact the switch. Pull up on the brake pedal and if the lights go out, switch mis-alignment or pedal position error is the likely cause.

What to do when your third brake light is not working?

When the lower lights do not come on and only the third-brake light works, the brake-light switch may be ruled out. Again try the emergency-flashers to check for wiring, socket and lamp problems. If the flashers work, check for blown fuses as a few vehicles use separate circuits for the lower and third brake lights.

Are there any problems with Chevy Silverado headlights?

Chevrolet Silverado 1500 owners have reported 47 problems related to headlights (under the exterior lighting category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of Chevrolet Silverado 1500 based on all problems reported for the Silverado 1500.

Why are the brake lights on my Chevy 1500 not working?

I have a 1994 Chevy 1500. Brake lights are not working. I replaced the bulbs and the brake light switch. All the other Chevrolet Repair Questions? Ask a Chevy Mechanic for Answers ASAP By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them.

How do you turn on the brake light on a Chevy Silverado?

Back probe the switch terminals with a test light. Only one of the switch terminals should turn on the test light. When you depress the brake pedal, both switch terminals should turn on the test light. If only one of the wires turns on the test light, unplug the switch and jump the two connections at the connector.

What kind of brake lights are not working?

I have a 1994 Chevy 1500. Brake lights are not working. I… i have a 1994 Chevy… i have a 1994 Chevy 1500. Brake lights are not working. I replaced the bulbs and the brake light switch.

Where are the 3rd brake lights on a Chevy 1500?

The 3rd brake light is on a seperate circuit from the brake lights . Test for power at the brake switch.Orange is 1 and white is the other,they are next to each on the switch.If that checks out try fiddling with the hazards and turnsinals since the brake light power flow goes form the brake switch to the turnsignals.