We, meaning many experienced Hot Rodders, told what to do! You can not hurt this Tach! Ground on side and touch other leads to you battery charger and see what happens. One is Display light. One is tach power and the other is signal. Otherwise, go buy another tach and quit wasting time on this POS.
mike --- Graham Wooden <[EMAIL PROTECTED]> wrote: > Well, I am not making much head way with this tach. > Apparently, with this a > non-OEM type tach and cannot locate any > documentation on it. > > Is there any tricks I can do to figure out the > wiring; like with a ammeter > or another tool - without arbitrarily just hooking > up wires (I would hate to > blow this up!) ? > > Thanks! > > -Graham > > > On 2/26/05 3:02 PM, "Graham Wooden" > <[EMAIL PROTECTED]> wrote: > > > Hi, > > > > Well, finally got some time to work on this again. > I hooked up the three > > wires coming from the main-section of the tach, > but no go. With black going > > to ground, either with the blue going to 12v > and/or yellow going to coil, I > > am getting no activity from it. > > > > Someone before asked to know what brand tach, but > in all honesty I don't > > know what it is. I was told it was a dealer > installed tach, which could be > > completely false. I did take some pics of the > outside of it and the inside > > of it. With the inside picture, notice the three > wires. > > > > > http://www.projectchevelle.com/gallery/main.php?g2_view=core:ShowItem&g2_ite > > mId=248 > > > http://www.projectchevelle.com/gallery/main.php?g2_view=core:ShowItem&g2_ite > > mId=253 > > > > There are two red wires; one going to + on the > instrument light and the > > other going to the internal body of the tach > (could be ground as well). > > > > If anyone knows what type of tach this is, and > maybe can help diagnose the > > three wires from the internal body > (black,yellow,blue), I would be grateful. > > > > Thanks! > > > > -Graham > > 67 SS > > http://www.projectchevelle.com > > > > > > > > > > > > __________________________________ Celebrate Yahoo!'s 10th Birthday! Yahoo! Netrospective: 100 Moments of the Web http://birthday.yahoo.com/netrospective/
