Hi all

The headlight switch in my GT may need replacement. When I turn it all the way right (lights on) the lights are intermittent -- (like a loose wire). Although there's no problem in the automatic mode (yet) I'd like to care of this.
I've searched the forum, but I don't see any posts about this. Also need practical advice about removing the switch...does it just pry out with a trim tool?

Thanks in advance for any advice.

 

I would check and clean wherever the ground is located first if you can find/reach it. Then head to buying parts if that doesn’t work.

 

Yes, pries out. Trim tool will work. The connector is a bit of a challenge because of a short pigtail along with a very tight connection if it hasn't been unplugged in a while. Could be a bad switch. It would certainly be on my short list of items to diagnose given your symptoms.

 

Have you run fault codes yet? I know the parking light switch is one of the items that can generate a code, I wouldn't be surprised if the headlight switch would do the same, especially if it were intermittent. There may be a relay involved, so there are more possibilities for failure than just the switch.

 

Thanks. I have not gotten into code reading yet. Could use a recommendation for a code reader..
The problem seems to be physical...when I turn the switch all the way right...the lights will blink. When I jiggle the switch a bit, they settle down. It’s state law here that they need to be on when wipers are active, so during the day I’m never really sure if they are on unless I can see their reflection on the car ahead of me.

 

Thanks for the info. The switch has probably not been examined in 15 years!

 

On the relay, we just discussed this in a recent thread. There are no old fashioned plugin replaceable relays for the headlights like in the old days. The switch feeds the body control module. The relays of old are now built into the circuit board in the control module and are non serviceable. Just a BCM replacement if diagnosed bad.

 

I'm a new owner of an '05 GT too. I am brand-new at this, but I learned an enormous amount by simply reading through these forums; there's not as many postings as you think.

I asked the same question about a scanner and the guys here told me to buy the Ross-tech scanner, which I did and it's perfect. You don't need the wifi connected one, the cord is long enough to reach a laptop.

https://www.6speedonline.com/forums/...ner-05-gt.html

 

Hi British
Yes..I've been pouring through the forum. You are correct...much to learn...don't know what we'd do without them! I'm also on forums for my other cars.

I'm considering the Ross-Tech...but I'd like to find one that I can use on my non-VAG cars as well.

 

Three retaining lugs



Back prises off easily.





Dettents for switch position and a shaft from the **** to a sealed unit .




Green pcb and the female hole for the switch. Looks like there’s not a lot you can do , adjust etc through that hole .




Two lugs on the horizontal surface and only one on the vertical on the RHS ( fog light side )



My car went to a B specialist for a PDI and they replaced this .They put the part in the trunk .Tbo feels like a throwaway part .

Looks like as said it needs some sort of trim removal tool to slide down and trip those three lugs .

 

Thank you sir. That's awesome. I will pop it out this weekend and check it out. Johnny Hotspur has a switch if I need a replacement.