How do I install a 2 1/16th gauge in my AC vent?
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Well my question is how would I go about routing the wire? I am getting the OBD2 scanner from www.pcmforless.com and Id need to run the feed from the diagnostic port all the way through to the AC vent where I want the gauge mounted.
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Use a long drill bit & drill thru the plastic inside the dash over on the cluster side. Drill a hole just big enough to run your connector or wire thru & then use some black silicone to seal it up, or just leave it be. I didnt bother siliconing mine & unless your really looking in there you never notice.
Hole drilled without vent installed
Hole drilled without vent installed
![](http://i21.photobucket.com/albums/b281/BIG_MIKE2005/My%20custom%20interior/PA220003.jpg)