Project SC300 Road Racer: Part 14 – Install it all, y’all

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We reused factory harness routing materials wherever it made sense. Toyota supplied these harness restraints along the fenders.

It doesn’t really matter how you route things as long as it’s neat and tidy. Well, you want to keep things away from heat and spinny bits they might get caught in, of course.

 

As we started routing harnesses, we connected things as seemed logical. Here we had a short pigtail that adapted the Toyota alternator plug to a Deutsch.

This enables me to use whatever alternator is available without having to worry about its plug or reterminating my harness. 2JZ? 1JZ? Some other thing? Just a short pigtail away.

 

We tried to route wiring down behind the headlights and then up over the core support.

Here you can see all of the Accusump solenoid wiring neatly tied up using rubberized clamps and zip ties to keep the bundles together.

 

Do you remember our plan to add a brake pressure sensor?

Like with our fuel and oil pressure sensors, we did not want to directly mount the sensor to something hard. We had ripped out the ABS solenoid and used tees to button everything up, leaving a port available to plumb our sensor. We used an Adel clamp to secure the sensor to the chassis, but we needed to get a hose from the tee to the sensor.

Toyota uses an M10x1 port with a flared hydraulic seat, but the sensor is an 1/8 NPT unit. That means adapting it. We had previously bought a few adapters for this purpose, but since we needed a hose made, we returned to our local hydraulic shop to see if we couldn’t consolidate and simplify.

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