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This diode installation allows all of the lights to remain on simultaneously when the high beams are activated on GM vehicles. The diode is super easy to install, you need $2 and 10 minutes. 9 of those minutes will be spent congratulating yourself.After diode placement your lights will function as follows: In auto mode- whenever your lights come on automatically the fogs will be on also. Low Beams & Fogs- Only Low Beams & Fogs will be on High Beams- Low Beams, Fog Lights, & High Beams will all be on (normally by default) The vehicle turns off the fogs when in high beam mode, but this diode solves that. MAKE SURE THE SIDE OF THE DIODE WITHOUT THE STRIPE IS IN THE 10 PIN. The diode allows electricity to travel in only one direction.
Can anyone tell me where the vertical adjustment screws for the low beam projector on a 2016 suburban with stock halogens are? I recently retrofit the low beam bulbs (which are ridiculously dim) with Morimoto HIDs and need to lower the beams a bit. The Left/Right adjustment is on the back of the assembly, clearly marked and easy to find, but I have not been able to find any adjustment on the headlamp assembly for vertical adjustment, even after removing the plastic air dam that covers the top of the headlamp assemblies. Any suggestions/information much appreciated, Justin