I'm having a difficult time trying to get to the "truth of the matter". I have a 2006 LX Coupe on order, so I don't have an actual dashboard to look at. Maybe someone here can help with information.
I have already decided that I want to add Interior Illumination (also referred to as Courtesy Lighting). According to the Honda installation instructions, these are available for 2 and 4 door models, but cannot be installed on 2-door vehicles with fog lights. Ironically, each installation requires dismantling the dashboard, so if I could install both, I would prefer to do it all at the same time.
I had contacted
College Hills Honda to ask if they knew why. They said that Honda just says that's the way it is - no explanation. So I called Honda Customer Support and spoke to a young lady who seemed to know nothing. She came back a short time later and says it would put too much strain on the battery. Of course, that's nonsense.
The best I can figure there are several possible conflicts:
1. The dash doesn't support the 3-switch trimpanel that replaces the pocket on the lower driver side instrument panel (some models just have a single switch socket built into the panel - I believe LX,EX, & Si).
2. The wiring harness does not have, or support, an adapter that permits both subharnesses to plug into the 6-pin connecting port on the fuse box (both use the same port). They do discuss multiple options being attached to this port, however.
3. Because the default lighting behavior is different for fog lamps (low beam only) versus interior illum (parking, low, or high beam), there may be a problem with logic switching in the two assemblies.
Furthermore, the installation instruction refer to some installation features that apply to LX, EX, & Si while others only to DX (without regard to the number of doors - realizing the Coupes and Sedans are really different vehicles unlike prior years).
Any help, guidance, answers or suggestions would be appreciated.