Subject	New style 200 mph gauge faces.
Posted by	DVDBURN (MD) on April 21, 2012 at 11:38 PM
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Message	Here is my last post regarding them. [ http://www.twinturbo.net/nissan/300zx/forums/general/view/2489233/GoodBad-news-regarding-the-new-style-200-mph-gauges.html ] I went ahead and bought the Dakota Digital Universal Signal Interface and received it today. Fast shipping from the eBay seller where I bought it. The results of the testing turned out great so the new style 200 mph speedometer gauges are now going to be available. This is how I was able to get it to work.... The new style speedometer board has a chip where the speed sensor signal is first input to. The chip splits the signal into four outputs. One of the outputs is sent to a chip which converts the signal to either MPH or KPH and drives the meter. I took the signal to that chip buy cutting the trace and routing it to the Dakota Digital signal interface and then sent it's output to the chip. With the interface in line to the meter driver IC you can now modify the signal using the up/down buttons on the signal interface to calibrate the gauge display. The signal that the ECU sees stays the same because it gets its signal from one of the other outputs of that first chip where the speed signal is first sent to (the one which splits the signal into four outputs). Here are some pictures showing the calibration. Just like the 1990 gauges, once you hit 160 on the meter you are actually doing 155 (or 5 mph less) as reported by the ECU. The cheapest I've found the cost of the Dakota Digital interface was on eBay for $80 shipped. What I will do for anyone who would like this modification is to adjust the cost of everything to the same price I had for the older style gauges. I will also put some info on my website on how to do the modification. This way you should be able to save some cost on doing it yourself. A picture of the Dakota Digital Universal Signal Interface. www.mytwinturbo.com Nissan Data Voice - The first Nissan diagnostic software with a voice! Nissan Data Voice on YouTube Download my Nissan 300ZX Vin/Model Lookup. Watch an ECZA meet caravan!
Follow Ups	New style 200 mph gauge faces. - DVDBURN (MD) 23:38:57 04/21/12 You just never give up! - KongZTT GT28RS MD 23:47:36 04/21/12 Cool. Glad that lead worked out. 1 more thing for my list :) (n/m) - Ted (92TT) 01:42:41 04/22/12 Nice work. Would still like to send my gauge cluster to you - Boosted1 07:07:47 04/22/12 Glad to hear it! I'm in, will have to work out timing for it (n/m) - BoneZ (MD) 08:51:44 04/22/12 Re: New style 200 mph gauge faces. - GatorJ 09:50:36 04/22/12 Actually, it's closer to 95 but remember, the OEM gauge - DVDBURN (MD) 15:10:04 04/22/12 I'm guessing he was being facetious ;) (n/m) - Ted (92TT) 15:49:12 04/22/12 Re: New style 200 mph gauge faces. - pilikua 10:33:31 04/22/12 A little info about the maximum speed values. - DVDBURN (MD) 15:52:24 04/22/12 :D (n/m) - BoneZ (MD) 00:18:51 04/23/12 Another cool thing about the Dakota Digital signal interface - DVDBURN (MD) 19:16:07 04/22/12 this is great - RobZ32 22:59:00 04/22/12 I keep realizing more things the Dakota interface can do. - DVDBURN (MD) 08:42:28 04/23/12
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