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The following information is intended as procedural reference only and may or may not match the requirements of your vehicle. Use at your own risk and always observe proper safety precautions. This DIY is copyrighted by Robin Yang. Permission is given to redistribute the contents without alteration provided you cite the original author and provide a link back to the original page.

I wanted to connect a turbo timer to a switch instead of the emergency brake. This seemed like a good location to mount the switch and while I was at it I added a second one for future use.

When autocrossing or at the track I use a DL90 data logger. Instead of reaching behind me to start and stop recording, I adapted a spare DSC switch for the purpose. The label is transparent so it lights up at night.

Another item I use during autocross and track events is a Chase cone-cam to record video. Instead of dealing with car adaptors I added two 12v sockets I can plug the cone-cam and microphone directly into for power.

I wanted to add some gauges for a turbo install but I didn't want to advertise the fact. I decided to mount two Spa Techniques dual gauges in the ashtray that would be hidden when the ashtray cover was flipped down. That meant fabricating a custom gauge holder using the stock ashtray as a base.

Here's a shot of the finished gauge holder prior to painting. I used sheet ABS plastic and bondo to fashion the part. There is plenty of clearance in the car for the gauges to fit.

Here's a driver's view of the gauges installed. Overall I think it turned out nicely.