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On average, the cost for a GMC Terrain Headlight Dimmer Switch Replacement is $159 with $64 for parts and $95 for labor. Prices may vary depending on your location.
| Car | Service | Estimate | Shop/Dealer Price |
|---|---|---|---|
| 2017 GMC TerrainL4-2.4L | Service typeHeadlight Dimmer Switch Replacement | Estimate$315.95 | Shop/Dealer Price$376.19 - $534.41 |
| 2018 GMC TerrainL4-2.0L Turbo | Service typeHeadlight Dimmer Switch Replacement | Estimate$562.33 | Shop/Dealer Price$664.48 - $907.79 |
| 2012 GMC TerrainV6-3.0L | Service typeHeadlight Dimmer Switch Replacement | Estimate$301.35 | Shop/Dealer Price$362.96 - $525.24 |
| 2018 GMC TerrainL4-1.6L Turbo Diesel | Service typeHeadlight Dimmer Switch Replacement | Estimate$562.33 | Shop/Dealer Price$664.41 - $907.67 |
| 2012 GMC TerrainL4-2.4L | Service typeHeadlight Dimmer Switch Replacement | Estimate$301.35 | Shop/Dealer Price$362.97 - $525.27 |
| 2013 GMC TerrainL4-2.4L | Service typeHeadlight Dimmer Switch Replacement | Estimate$301.35 | Shop/Dealer Price$362.96 - $525.24 |
| 2016 GMC TerrainV6-3.6L | Service typeHeadlight Dimmer Switch Replacement | Estimate$227.15 | Shop/Dealer Price$268.82 - $371.60 |
| 2010 GMC TerrainV6-3.0L | Service typeHeadlight Dimmer Switch Replacement | Estimate$246.35 | Shop/Dealer Price$293.19 - $410.66 |
The headlamp dimmer switch may be part of the turn signal switch or it can be mounted on the floor. This switch enables you to dim the headlamp beam from low to high or vice versa. A bad switch will not change the headlamp beam. Your headlamps being stuck on high beams can create a dangerous situation for oncoming drivers.
It should be noticeable when your headlamp dimmer switch stops working. If you find that your vehicle is unable to alternate between high and low beams, then you should schedule a service.
The headlamp dimmer switch allows you to select between your headlamp's high and low beams. When you pull the lever on your steering wheel column, the dimmer switch triggers the high beams, and either turns them on or turns them off. When the headlamp dimmer switch malfunctions, your headlights won’t be able to switch between high and low. You’ll either be stuck with only low beams, which can mean poor visibility, or you’ll be stuck with only high beams, which is hazardous to the drivers around you.
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