mine werent exactly r33 dials, I drive a 180sx, so I dind't have a boost gauge dial, I hooked mine up to the cigarette lighter, bcoz at the time I didn' tknow where to hook it up at the back, after looking at that installation guide posted earlier I think I'll fix it up
Heres the one Mr_G posted earlier:
http://www.autoshop.com.au/forumtopic.php?...?id=38&ref=ebay
and the one pushead made:
http://users.tpg.com.au/adsldg7j/Console/console.htm