[HID + Switchback Retrofit] 18 Subaru Forester Headlight

This video details a DIY retrofit of HID (High Intensity Discharge) lights into the Morimoto D2S projector installed into an OEM Headlight housing. It can serve as a resource for anyone looking to upgrade their vehicle, and a step-by-step manual for the 2014-2018 Subaru Forester modification / facelift. This guide also includes replacing the OEM Halo (C-Light) with the Diode Dynamics Switchback C-Light borrowed from the Subaru Legacy.

✅ Comprehensive Instructions in adding HID Projectors to vehicle
✅ Walkthrough of a DIY Switchback (C-light) / Halo retrofit
✅ Tips and tricks (8+ Years electrical and automotive experience)
✅ Complete wiring guide with customized diagrams and references
✅ Aftermarket and OEM part numbers, and parts identification
✅ Some great music, but I will let you be the judge!

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Timestamps:

0:00 Objective

2:01 Section 1: Preparation Notes

Section 2: Disassemble Headlights
3:12 Step 1: Remove Headlights
5:11 Step 2: Headlight Prep
7:19 Step 3: Headlight Harness Mod (Adjusted w/ step 26 Correction)

Section 3: Bake and Open Headlight
8:16 Step 1: Bake and Open
10:48 Step 2: Reflector Removal
11:52 Step 3: Fitting Morimoto D2S
16:32 Step 4: Reflector Re-Install

Section 4: Leveling
17:02 Step 1: Mounting Open Headlight
18:26 Step 2: Leveling

Section 5: SwitchBack Install
19:47 Step 1: Removing C-Light Defuser
21:31 Step 2: Switchback Install

Section 6: Bake and Seal Headlights
24:17 Step 1: Oven Prep
24:42 Step 2: New Butyl and Staging
27:09 Step 3: Baking
27:37 Step 3.5: A Shroud correction and reference

Section 7: Final Wiring
28:35 Reference 1: Modular Headlight Wiring
30:13 Reference 2: Under the Hood

34:15 Results