Why is my stop light not working on my truck?
Note, on some trucks the stop light and the signal light will be shared. If the bulbs (lamps) are good, the problem may be a broken wire, or a poor connection somewhere. Check inside the bulb socket for corrosion, check the plug where the wires connect to the lamp circuit board for corrosion, etc.
When do the GMC interior lights turn off?
If an outside door handle is lifted or a door is opened, the courtesy/illuminated entry lamps illuminate. After all the doors have been closed the courtesy/illuminated entry lamps will remain illuminated approximately 15 seconds .
What kind of light bulb does a GMC Sierra use?
In prior model years, GM used three different bulbs for the Sierra’s headlights — a H11LL bulb for the low beams, a 9005LL bulb for the high beams and a 5202 bulb for the fog lights. But starting with the 2014 model year, GM switches to one 9012 halogen single filament bulb for both the low and high beams.
Is there a problem with the Chevy running light?
The Chevy daytime running light problem is a far-reaching one. For more than a decade mechanics have been replacing melted factory installed sockets and bulbs. We’ll also discuss ambient light sensor problems in this article.
The Chevy daytime running light problem is a far-reaching one. For more than a decade mechanics have been replacing melted factory installed sockets and bulbs. We’ll also discuss ambient light sensor problems in this article.
Why are the headlights on my GMC Sierra so dim?
For such a big, rugged truck, the GMC Sierra has some of the worst headlights on the road. But why? GMC Sierra owners are seeing red. Well, technically they’re not seeing anything. That’s the problem. The headlights in the 3rd generation (2014–present) are so dim, you’d probably get better illumination from a jar of fireflies taped to the bumper.
What kind of light does a GMC Sierra use?
The Sierra’s 3rd generation (2014-present) uses a single halogen filament bulb for both the low and high beams. The result is underwhelming and sometimes dangerous. GM appeared to address the problem in a TSB PIT5374 that recommends a software update to the body control module to increase the voltage sent to the light.
What causes a burnt out light bulb on a Chevy?
A burnt out bulb is usually discolored and pieces of the filament will be loose inside the bulb. If a visual inspection shows the bulb is still good, there may also be a broken wire in the harness to that light.