the firewall is there for a reason, i'm not a big fan of making more holes in it unless necessary! be careful....
wires in and out of the cabin are fairly limited. no wires for the EMS, just the vacuum/boost tube. a/f gauge connects at the ecu and can get power and ground from any of a number of places inside the cabin. mechanical boost gauge has just the tube coming from the engine bay, then power and ground for lighting, again from inside the cabin. short sweep electric fuel pressure gauge grounds to engine or chassis ground under the hood and has one signal wire going inside; i don't know about the full sweep gauges or egt gauge, but it's going to be similar. so you have a few wires and two vacuum tubes at most. no big deal.
i redid the gauge surround a few times :
works fine for the sleeper look, would be better if they were angled so you didn't get any offset. i left the vafc loose in there, i hate the way those things look anywhere in/on the dash.
Quote:
Originally posted by BoYgUaN
well i was just gonna drill a hole  so wires dont have to go aroound that far....but as for the mounting it goes all the wat behind the pillar? wires i can understand but wont a tube get piniched?
btw what wires will be needed to go in/out of the cabin?
oh schwett do you have a pic of your set up in the glove box? if memory serves me right u had 2 gauges and a vafc i think
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