# HID HELP!!! **URL:** \ **Category:** SON240sx Automotive\ **Created:** [January 12, 2009, 7:16pm UTC](https://forums.speedlife.net/t/hid-help/121098 "2009-01-12T19:16:22Z")\ **Posts on this page:** 1\ **Showing post:** 7
**Author:** ![MR.Large](https://avatars.discourse-cdn.com/v4/letter/m/eada6e/32.png) [@MR.Large](https://forums.speedlife.net/u/MR.Large)\ **Post date:** [January 14, 2009, 8:06pm UTC](https://forums.speedlife.net/t/hid-help/121098/7 "2009-01-14T20:06:16Z")
> [@oh mister newman....](https://forums.speedlife.net/t/oh-mister-newman/19861/71): > > they’re actually h3c which is a bit different than h3 > > same glass bulb but uses a different base/holder True for non hid bulbs but hc3 and h3 are the same for hid bulbs as they both receive + and - through the ballast. regular h3 bulbs are grounded through the base(metal part holding the glass) and the power is fed through the single wire. hc3 have 2 prongs one + and one - but the base is the same for both bulbs. Noobie240 You will notice that your fogs have been modified to use H3 bulbs instead of HC3 using this meathod [http://zilvia.net/f/tech-talk/102925-official-s13-dual-projector-hc3-h3-foglights-maybe-even-low-beam.html](http://zilvia.net/f/tech-talk/102925-official-s13-dual-projector-hc3-h3-foglights-maybe-even-low-beam.html) so if you need to replace them use H3 bulbs On a side note Noobie240 if you want the stock silvia grille and the vent cover for the hole in the front bumper on the drivers side that belong to that front end PM me and you may even get a story out of the deal --- _[View the full topic](https://forums.speedlife.net/t/hid-help/121098)._