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INSTALLING A SHIFT LIGHT

After many days at the track I decided that a shift light was in order. Having to glance at the tach mid-corner to make sure I wasn't over revving the motor is not easy or advisable. But the problem was I did not want one of those HUGE oversize drag racing tach shift lights. I wanted something small and innocuous that could be easily placed on my already overcrowded dash. It turns out that Autometer has just such a device. It's called the "Quick-Light" Mini shift light . Part numbers are 5330 for the light and 5310 for the trigger module. The light is about the size of a dry erase broad marker so there are many more options for placement. The remote trigger module is only the size of a cigarette box so it was easy to find a place for it under tha dash. I also purchased the RPM pill kit for range 3,000 to 3,800RPM. For installation in a rotary these RPM values are doubled, for example a 3,400 pill will light up at 6,800 rpm in a rotary. Based on my recent dyno testing the optimal shift point (for my car) is about 7200 RPM (pill 3,600RPM).....PERFECT

Placement of light in plain view but blocking nothing

Tach signal lead taken from the diagnostic connector in the engine bay
Installation was fairly straight forward and much easier than some of the other modifications I have done. Due to the number of switched accessories I already had tapped into the OE harness I decided to run a dedicated 12v lead to the battery. I installed a fusible link and a power switch under the dash next to the hood release to turn off the light when not needed. Ground was to the brake pedal mounting screw. Now the tricky part, where to find a tach signal lead? Three sources are available: The actual tachomoter lead in the dash, the signal lead to the ECU, and the diagnostic connector in the engine bay. I chose the diagnostic connector - I did not relish pulling my dash yet again. Using a pin connector, the signal wire simply plugs into the -IG plug in the diagnostic connector (Pictured left). With that done I mounted the module under tha dash behind the left side kickplate and the light mounted on the right of the steering column. It works perfectly and the light is easily seen and definitely bright enough. A simple 2 hour install and a non-obtrusive looking shiftlight for about $100

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This page last updated March 21, 2001
rotorphiles have visited this page since April 17, 2001

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please feel free to send an e-mail to rotarypower@rx-7.net
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