05-07 Subaru Legacy: JDM Quad Running Lights Mod



This mod basically adds another set of Running/Brake Lights to your Subaru JDM Tail lamps.

The factory JDM Tails, when illuminated only light up the Top two parts. The factory USDM Tails, only light up the bottom two parts, so I had the thought, why not have both?? After doing some research, i have found a very few have done it, but after looking at mine, it seems like a project im willing to take on and share with the LegacyGT community! I have to say the end result is well worth the effort, and really does change the whole look of the car when in action.

Tools Required for removing Tail Lamps:
Socket Wrench
8mm Socket
Each Tail Lamp has (4) 8mm bolts

Tools/Parts Required for Modification:
-Liberty 03-05 JDM Tail Lights with Harness
-Legacy 05-07 USDM Tail Light Harness or 7443 Socket from 05-07 Legacy

7/8 Hole Saw Drill Bit
Power Drill
7443 Bulbs
16 Gauge Primary Wire
T-Tap Connectors
Male Connectors
Pliers
Vise Grips
Wire Strippers/Crimper Tool
Electrical Tape
Dremel Trimming Tool

Step 1: JDM Drivers Side Tail Light
-Drill New Hole using 7/8 Drill Bit
-Make sure to Trim each 7443 Socket. Only remove the 2 smaller Nubs. And leave the 2 wider nubs.
-Trim Out 2 Notches to fit 7443 Socket. Only had a dremel tool, but very carefully trimmed until, i was able to get the socket in securely. Once its in, you’re good!

Step 2: Prepare Wiring Harness to tap into JDM Harness.
A. Strip Wires from USDM 7443 Sockets
B. Cut about 7-8” of Primary Wire for Each colored wire. And Strip each end
C. Connect the wires to each color
D. Secure Tightly with Electrical Tape
E. Strip/Crimp Male Connectors to both 7443 bulbs. 3 per socket, 6 total. Ensure each connection is solid and tight.
F. Install T-Taps to JDM Harness
G. Connect Male Connectors to Corresponding T-Tap

Step 3: Modify 7443 Sockets
-Shave off 2 smaller nubs on both. Leave only the wider nubs.

Step 4: Final Testing:
-Connect Each Tail Lamp and make sure all lights are functioning properly

Cleaning Up:
-Once everything works perfectly, clean up the wiring harness, and make it look neat, for an easy re-installation.

Final Results!
Enjoy your newly Illuminated JDM Tail Lamps!


Post time: Sep-06-2017
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