Bikeracer,
As you know, I'm glad to have another mod-inclined Insight owner on the forum. There aren't many of us. I also hope Ben gets his IRX on the road soon. Hopefully, you'll develop good mods that I can learn from.
I used "18-22 gauge inline splices" and "female flat blade connectors", both from DigiKey. The switch, I actually stole off my bicycle, and it fits in the blanks to the left of the steering wheel, below the power window switch. I used a relay out of Ford Taurus. Relays have a little circuit diagram molded into their side, which looks like the one I drew. You need a five-pin relay. You could get all the parts at an auto parts store, RadioShack, or online.
To clarify the drawing, the ECU delivers +5V to the clutch switch on the red wire. Splice into that, and run a wire over to the correct pin of the relay. Likewise, run a wire from the green/yellow wire from the brake pedal switch to the coil of the relay. The electrical resistance of the relay circuit needs to be "much larger" than that of your brake light bulbs. >50 Ohm is fine. If your relay has less, add a ~500 Ohm resistor.
Once I've built and tested my MIMA_L + FAS + IMA Inhibit board, I'll post a parts list and some pictures.
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