Fog Light Wiring Harness

[UNCLETYS]

I have recently installed fog lights to my 2021 Model 3 SR+ (non indicator ones) which I got from AliExpress and didn’t have the wiring as RWD model 3’s don’t have it stock. I’ve since obtained the wiring through Amazon

There’s no install videos online and the threads here are quite extensive yet I found no one has a simple answer to where the wiring gores. I’ve attached pics here, if someone can please edit the pic on paint etc and label where they’re all plugged into it would be so helpful not only to me now but others in future. Thanks for your help as always !

 

[kaimanson]

Try the seller, to see if they have any instructions.

 

[UNCLETYS]

The first thing I tried a few weeks back. They don’t have any that’s why I’m looking for help here

 

[JimShaw]

I'm having upgraded fog lights installed this coming Tuesday.

I watched a ton of YouTube videos regarding the installation.

 

[UNCLETYS]

I’ve installed the lights just need to do the wiring now

 

[Gumball]

Get the front bumper fascia off the car and simply remove the old harness, you will see exact how it runs then, and will find two extra connectors for the fog lights on the new harness. Thats it.

 

[kaimanson]

Please share some pictures. So it is basically a plug and play?....I saw a video online that he had to attach a wire to the + going into headlight.

 

[UNCLETYS]

Get the front bumper fascia off the car and simply remove the old harness, you will see exact how it runs then, and will find two extra connectors for the fog lights on the new harness. Thats it.

There is no old harness mate.

I’ve installed the lights now just making sure I have an idea of what’s needed beforehand & can’t work out why they gave me these extra plugs

White is obviously for indicators which I don’t need and can by-pass but these extras.. wierd.. anyone?

 

[UNCLETYS]

Done, 4.5 hours but finally worked it all out. Found a good video on YouTube to gain access through the firewall

The 2 separated wires connect via the white cable which runs along inside the boot lid, they connect to the rear break lights.

Hope all this helps someone else in the future.

 

[tegra7]

No need to run a wire to the tail light with gen 2 wiring harness.
Check out this install

 

[alvitdk]

hmmm, that's technically not really fog lights but rather daytime running lights, no? Or is there a separate button available no to activate the fog lights when it's foggy? What am I missing?

 

[akipal]

hmmm, that's technically not really fog lights but rather daytime running lights, no? Or is there a separate button available no to activate the fog lights when it's foggy? What am I missing?

SR+ don't have functionality to control fog lights
so it has to be connected to parking light signal unless you install dedicated switch

 

[alvitdk]

SR+ don't have functionality to control fog lights
so it has to be connected to parking light signal unless you install dedicated switch

Understood, but that means I can only activate the fog lights when turning on the parking light, which I can't when the regular headlights are on, no?

 

[akipal]

Understood, but that means I can only activate the fog lights when turning on the parking light, which I can't when the regular headlights are on, no?

of course, fog light will be on when turning on headlight
since head light includes parking lights turned on

 

[jacksterCali]

much easier this way

 

[Miata Head]

much easier this way

Anyone know if this works for a 2023?

 

[jacksterCali]

Anyone know if this works for a 2023?

it should.

 

[Wicho502]

I have recently installed fog lights to my 2021 Model 3 SR+ (non indicator ones) which I got from AliExpress and didn’t have the wiring as RWD model 3’s don’t have it stock. I’ve since obtained the wiring through Amazon

There’s no install videos online and the threads here are quite extensive yet I found no one has a simple answer to where the wiring gores. I’ve attached pics here, if someone can please edit the pic on paint etc and label where they’re all plugged into it would be so helpful not only to me now but others in future. Thanks for your help as always !

Hello, do you have the Amazon link to this wiring harness? I cannot find it anywhere and have the same issue.

 

[kaimanson]

Hello, do you have the Amazon link to this wiring harness? I cannot find it anywhere and have the same issue.

https://a.aliexpress.com/_mOhBI2Y

 

[blaferty]

Are the two different harnesses pictured in link above included as one set?