mr_han_solo Posted August 22, 2014 Share Posted August 22, 2014 (edited) Got the tcch adjusted correctly. However, when I turn the lights on, the tach drops a few hundred RPM and the reading is off. Here is a video: http://youtu.be/wjjTaC-UnVU Tach is a 280z unit with a summit racing coil and msd pro billet distributor. Wired everything per the JTR book. Hoping for some insight. Thanks, Han Edited August 22, 2014 by mr_han_solo Quote Link to comment Share on other sites More sharing options...
mr_han_solo Posted December 9, 2014 Author Share Posted December 9, 2014 Here is a video from the other day showing the tachometer in operation at night going down the road. As you can see it's not very stationary, and when the lights are off it gives a completely different reading. http://youtu.be/Zx2IXTFpbyk Quote Link to comment Share on other sites More sharing options...
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