Need Help Asap Vacuum Guage
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you have to run it through the firewall yes...i found a nice grommet to go through when i installed my boost/vac gauge...its the grommet for the heater actuator cable (or whatever its called)...mine was covered with a blue insulation...towards the middle of the firewall...crawl underneath your steering wheel look up and towards the middle of the dash..you'll see it...
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