Wednesday, November 1, 2023

GT86 GT to GT-S Headlight Upgrade


I knew I wanted GTS Headlights from the beginning. 


the GT comes with terrible base level headlights


And they do end up like this

For about $300 you can I picked up a set of Australia Spec GT-S HID as standard on these and is integrated with the power unit in the housing + twin LED park/Running Lights

That includes Selling the Original GT Lights and Getting a harness and doing the wiring yourself.  



1. the Lights

GT Spec. (6Pin) 

Park Bulb /Low Beam Bulb /High Beam Projector    

+ Separate DRL / Fog. (3 Pin) 

Even with night breaker laser bulbs the effect was not good. 

GT-S Spec (8 Pin / 7 used)

Park LED (half) /Low Beam Projector /High Beam Projector / DRL LED (Full)   


GT to GT-S

Park LED (half) /Low Beam Projector / High Beam Projector / DRL LED (Full)  + Separate DRL Fog. 

Needs 

8-6pin connector plus additional plug/pins

2. the install


Remove the bumper and the headlight surrounds 



as usual a bunch of plastic clips go missing and the side indicators are troublesome

3. the wiring

Once this is off and the lights are out you need to connect the DRL signal to the LED +ve of the Headlights 

Then match all the others creating a direct match for the six GT pins to 6 the 8 pin connector 


4. the problems

The aftermarket 6-8 pin connector pair is $100AUD 

It's intended for VLAND that doesn't have a low beam 

So these are basically a 4 pin connector on the GT side and a 8 pin connector (mismatched for DRL) on the GT-S Side 

Having known this, I probably would have made my own harness.

5. the fixes

go to Aliexpress and get some more pinned connectors male and female (5$) 

map the park lights into the 6 pin GT side of the Light harness

swap the DRL into the correct pin in the GTS headlight side of the harness 

make sure.


<insert diagram>


Another note (Also make sure the pins don't bend and make contact when you plug the harness in.

Mine bent and I was chasing no Park lights for a while. bend back straight and good.)


Result... Happy!


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