Is there a way to turn on the fogs without turning on the hid's?

 

Not without some serious rewiring.

 

Ron, you sure?

I know in the first gen it was just a matter of splicing two wires together, or just adding power from an outside source (carputer power supply like me) to one wire.

 

I did a search and finally found this thread, which led me to this thread, posts #29 and 32.

Not impossible, but still not an easy mod.

 

If you go to the second 'this' thread, and then go to the first page of the thread, you will see that I scanned the entire lighting diagram into the thread. So far, know one has a solution to the fogs on without headlights request. You may be the one to solve this!!!

 

Together, we can do it!! lol

 

Now you guys got me doubting what i saw... Im the kinda person that checks out all the cars specialy a TL and I could have sworn I saw 2 TL with just their fogs on on two different occasions, with old ladies driving them... which means their son wired it up or it comes like that on the new models... was i seeing things?

 

It might have been Canadian models migrating south for the warmer weather. Did you happen to notice the license plates?

 

that was before Acura decided to use a bus system to work the entire car. if you want you can add your own switch into the car, and then wire it up like that, otherwise there is no real way of doing it

 

I rewired fog lights in previous car, and that was easy. But TL is very different. They don't have a separate wire controlling the foglights going from the switch to the foglight relay. Instead they transmit control signlas for several components over a single wire digitally, and they are decoded by a small computer under the hood, which controls appropriate relays. In this day and age it maked sense, because this small computer costs less than wires and connectors they remove from the equasion. Unfortunately, it makes hacking the car muchmore difficult. THe best way to do it would be to rewrite a firmware in the computer to allow fog lights to be controlled separately, but without the source code (which is guarded by Honda) this task is next to impossible. Furthemore, firmware may not be upgradable at all. There are workarounds, as decribed in the topics referenced by Ron A, but they are far from being elegant or easy.

 

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ahhh well said... this is Florida and yes there are canadians here...

I couldn't have been that krypt out

 

I haven't done this yet, however I did think it through. It would be pretty easy to make the fogs come on whenever the parking lights are on, keep in mind the fog switch would become inoperable. You just need to wire the fogs to a relay using any one of the parking light leads as the relay trigger

 

I wouldnt mind having the fogs come on with the parking lights.

 

Just a quick note to add. If you don't want the modified ground trigger wire on the relay to back up into the BCM, you can diode isolate it from the new wire.