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Discussion Starter · #1 ·
Can anyone please mail me with instructions on how to install a boost guage and a volt guage into my friends wrx, i took them out of my car because im sellin my pos lancer and gettin me a wrx for christmas. until then i wanna use his car as a guinie pig. Thanks:D
my email is- [email protected]
 

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Boost is simple, find the vacuume hose that comes out of the end of the BOV, splice the hose, insert a vacuume T and run the hose through the firewall. There is a rubber plug about dead center of the firewall, slice a hole in it, run the hose through and then hook up your boost gauge.

Volt meter. Just probe the fuse box with a test light with the key in the off position. Take note which fuse slots do not light when its off. Then turn the key to accessory. Then probe the slots again. Whatever slots lights in accessory is a good place to tap in for voltage.
 
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