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  1. Relays in under hood fuse box

    Lighting, H.I.D.'s, & Neon
    2013 Civic Si Coupe I've searched high and low - forums, google search, user manual, etc. Does anyone have any idea what the relays in the under hood fuse box represent? The fuse box cover diagram only shows an "i" (information) in every relay location and no other explanation. I recently...
  2. fog light control attempt?

    Lighting, H.I.D.'s, & Neon
    I'm new here obviously, but I have been reading around on the forums for a few months. How is it that there is not really a crystal clear DIY on how to relay fogs to a toggle switch and turn them on with any light setting? No power to the Fog lights unless the headlights are on. So I'm guessing...
  3. Turn signal relay location?

    Does anyone know where the relay is located and what it looks like? I remember my accord had one near the driver footwell and you could trace it via the clicking noise. However, the clicking on this civic seems like it's coming from near the gauges and/or the steering column. I want to...
  4. HID Kit Relay

    For the people that installed a HID kit in their 9th gen Civic, did you guys install a relay with it as well? My kit came with a relay, but I'm not sure if it is necessary to use it.
  5. Noisy door unlock relay?

    Interior Problems
    Has anyone else noticed their door lock relay being really noisy when they unlock their doors? I can hear a loud click in the dash a second or so after the door has been unlocked. It only seems to have started a few days ago.
  6. The Horn Upgrade/Replacement Thread

    So I've decided the civic horn is a chick horn, so I'm replacing it, any brand ideas? I'd rather replace the oem horn than add an air horn (Moderator’s Note: this newly merged thread is now the place to post any and all concerns about upgrading and/or replacing the weak (especially in the R18...