Gauge installation

[Mr.turner85]

Hey just a quick question to anyone who has installed gauges in their sonic and had to run wires etc into the engine bay. Where is the best place to go through the firewall?? I was tinkering with it the other day and saw an opening in the wiper tray that looks like it will work but ran out of time before i could pull it apart. I am using a zzp center mount cluster with a boost gauge and water temp gauge so I need to run the vacuum line to near the bypass valve on the intake manifold and a 2 wire sender in the upper radiator hose.
Thanks
Beau


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[diazmjd]

There's a large grommet behind the battery and above the pedals behind the fuse box. It's kind of hard to get in there.

 

[Natesriv]

Didn't know BEHIND the battery...
Under the dash, behind the pedals, left side... a big rubber grommet. It's not easy to pierce, so an awl might help. Then you and secure the wire(s) with tape or what not and push them through the hold you made. You don't want to drill a hole, you want to punch so it seals back up and prevents H20 from getting in the cabin.

 

[Mr.turner85]

Sounds good thanks for the advice


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[Chrish051873]

i just did gauges, nate is spot on again ^^^^^^^