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Discussion Starter · #1 ·
Where is our:

1. Ignition coil, or Tach feed
2. access to the ignition switch

Thanks,
Dave
 

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Engine speed wire should be tapped off of the ECU. Ravensblade WRX has the ECU pinouts on their website, here

The ignition is accessed under the driver's side dash. It's the set of blue plugs down there. Look up a turbo timer installation, as it involves both of the wires you're asking about. Here are some pics of a turbo timer install involving the ignition harness.
 

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Discussion Starter · #3 ·
How do I get to the ECU?
 

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It's under the passenger side footwell. Take out the floormat and pull up the carpet.
 

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My WRX came with a tach in the dash next to speedo, didn't yours?
 
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