Adding HID's

[e92335i08]

I have '12 300 S without factory HID's I went with the DDM 6000k 35w 9006 bulbs. They are bright and i like them but would rather have 5000k to match the DRL better.

The setup that worked was just BOW3 adapters with the headlamps. There is no need for a wiring harness. With the wiring harness hooked up it made the lamps flicker.

However the foglights need a wiring harness because they have intermitten firing issues with out the harness.

[tonyc994]

So I finally got my chinese DDM 35W 4300K.... Install wasnt bad, I dont know how any of you guys were able to fit everything in the headlight..... I ended up drilling the hole and siliconed it, I hope it doesnt give me any issues...

Regarding color, the 4300k are definitively blue.. They dont fully match the DRL, Im hoping the blue will go away as they burn in.....

So im going to do the fogs next. I bought the wiring harness but read I dont need it for the headlights. any suggestions for doing the fogs?

[e92335i08]

Originally Posted by tonyc994

So I finally got my chinese DDM 35W 4300K.... Install wasnt bad, I dont know how any of you guys were able to fit everything in the headlight..... I ended up drilling the hole and siliconed it, I hope it doesnt give me any issues...

Regarding color, the 4300k are definitively blue.. They dont fully match the DRL, Im hoping the blue will go away as they burn in.....

So im going to do the fogs next. I bought the wiring harness but read I dont need it for the headlights. any suggestions for doing the fogs?

I used a wiring harness on my fogs, I have a bad ballast so I am waiting for a replacement ballast so then I can find out if the wiring harness causes the fogs to flicker or anything.

Before I had a wiring harness with my foglights I had intermittent firing at startup so a wiring harness has to be used for the fog lights.

[JUST KRUIZIN]

Originally Posted by zach2011

Not yet but I am planning on it. It sounds like you need a relay harness but I thought you had one? Here is a link to one on eBay.

HID Xenon Relay Wiring Harness H8 H7 H9 H11 5202 9006 | eBay

You may also need error decoders/anti-flicker device (one for each side)

Warning Code Error Decoder Canceller Capacitor ANTI-FLICKER For Xenon HID Light | eBay.

That should do it if you are having problems. Remember two things. One, our cars use a CANBUS system that makes it a lot smarter than other cars when it comes to managing headlights. For CANBUS systems you will definitely need error decoders/anti-flicker because of the way the system distributes power to the lights. Two, it is never recommended to run aftermarket HID headlamps without a relay harness. Reason being is that the relay harness draws power from the car's battery directly, rather than through the stock headlamp wiring. The stock wiring is designed for much less powerful bulbs, so not using a relay harness will eventually damage your stock electrical wiring. It may take several months for it to happen, but it definitely will.

Hey Zach...so i take it you ran it right to your battery....did you do it to the underhood fuse area or the actual battery in the trunk.Wanna do mine right the first time,did the fogs in 6000k and no problems but just used the factory wiring..is it a bad idea....

[zach2011]

Originally Posted by JUST KRUIZIN

Hey Zach...so i take it you ran it right to your battery....did you do it to the underhood fuse area or the actual battery in the trunk.Wanna do mine right the first time,did the fogs in 6000k and no problems but just used the factory wiring..is it a bad idea....

Run it to the engine compartment battery terminals on the passenger side. There will be a red area for positive and then you'll see some bolts for a ground/negative spot.