Help!! Low beam & DSL lights out. - TerrainForum.net: GMC Terrain Forum
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post #1 of 2 (permalink) Old 09-24-2019, 08:25 AM Thread Starter
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Hii! I have a 2014 GMC Terrain and both low beam and drl lights are not working. Everything else is. There isn't a fuse for . That I can find. Anyone know which BCM is for low beam and drl lights?? Thanks

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post #2 of 2 (permalink) Old 09-24-2019, 11:18 AM
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Originally Posted by Twebster85 View Post
Hii! I have a 2014 GMC Terrain and both low beam and drl lights are not working. Everything else is. There isn't a fuse for . That I can find. Anyone know which BCM is for low beam and drl lights?? Thanks
For the 2014 Nox/Terrain the low beam and the DRL lights are one and the same.
During the day this R and L light is on a Pulse Width Modulated Circuit.
At night, they switch to a regular low beam.

The BCM uses fuses #8 and #30 in the Underdash Fuse Block to send power to the BCM and on to the two lights.
Each low beam bulb has it's own power circuit and separate ground.
Hope this helps.
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2014 Equinox LTZ FWD 3.6L. V-6 (LFX)
GM6T70 Transmission-Gen II(M7W)
Crystal Red Tintcoat-Brownstone Leather-(FE2) Suspension-18" Wheels
Build Date: Nov. 04, 2013-Delivery Date: Nov. 25, 2013
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