how to install wire up a tach tachometer the right way GM Click to view on Bing9:29Mar 15, 2016how to install wire up a tach tachometer the right way GM for beginners DIY 70-72 chevelle dummy light cluster conversion to SS tach and gauges How To Wire a 4 or 5 Pin RelayAuthor: Chris CraftViews: 57K gm tach | eBay www›Search›gm tachNOS GENUINE GM TACH TACHOMETER HIGH OUTPUT V6 EFI 2 PONTIAC 6000 STE 10040974 See more like this. GM or any HEI distributor tach wire plug in pigtail convert your distributor. Brand New. $9. Buy It Now. Free Shipping. JEGS 10552 GM HEI Power & Tach Feed Wires. How to Wire an Electronic Tachometer as Easy as 1-2-3 wwwrchevy›Super Chevy›How To›Engines & DrivetrainThis article on how to wire an electronic tachometer doesn’t have anything to do with Project X other than that ’57 is the granddaddy to Super Chevy’s Chevelle. TBI Tachometer (GREEN) Signal Wire Location - 350 305 Mar 26, 2016where the darned tach/tachometer signal wire is on every TBI Chevy Engine FULL TACH INSTALL VID = https://wwwube.com/watch?v=HiW24beqgkk KNEE KNOCKER TACH | GM Classics 2) brown wire: to negative side coil 3) black/pink wire: to 12 volt source tach grounded when mounted to dash. when using with hei connect brown wire to distributor when using msd box you may have to purchase a filter ***note*** this tachometer does not have Tach filters | American Autowire Tach filters. Your tach is dirty. Well, the signal it’s getting could be. Like most other parts of a car, your wiring is there to serve a specific purpose. In the case of signals coming from a sending unit, this purpose is to transfer the information provided by the item to which it is attached. My factory tach will not work with my HEI or electronic My factory tach will not work with my HEI or electronic distributor. They can be found on most GM cars in junkyards that have factory tachs in them. The factory style filter looks like a condenser with a wire and connector on each end, one of which plugs onto the HEI distributor, and the other onto the tach lead wire. one of which plugs GM Muscle Car Tach Voltage Requirements - Hot Rod Network We dive into the factory Tach my Marlin as he explains the Tach voltage requirements for GM muscle cars. Only at wwwod, the official website for Hot Rod Magazine.