Look for any fraying broken wires or exposed insulation. Tach not working correctly duration.
V6 V8 Tach Ground Wire Ranger Forums The Ultimate Ford
Tachometer not working properly. Bad luck garage 50267 views. If you can locate where the speedometer cable connects to the transmission diagnosing this problem is very easy. The 2006 dodge ram 1500 has 3 problems reported for tachometer not working properly. Match up the colored wires from the tachometer to the wiring used on your boat. The generated tachometer signal is the gray wire that comes out of the emm and goes to the 8 pin connector at the tach. Tachometers require a very good ground in order to have a steady signal.
Two stroke outboard shaking. Your tech can check the continuity of the wire and if there is the proper frequency signal coming from the emm using the evinrude diagnsotic software. Examine each wire attached to the tachometer and record its color. Patch up any minor damage by cleaning the area and wrapping electrical black tape over exposed wires completely. Average repair cost is 500 at 56550 miles. Check the tachometer wiring section in the car manual.
Sometimes corroded wire connections and breakage may be the reason for the tachometer not working. Ls swap tachometer problems. If you dont find it there get the appropriate haynes manual for your car. If your application does not have a 12 volts battery pls ground on the engine. Manually turning the end of the cable that inserts into the transmission with your fingers should cause the speedometer. If it does turn then the speedometer is bad.
Do not ground on the frame do not use a common ground wire. At first pls ground directly to the negative pole of the battery. A classic symptom of a loose wire connection is erratic display of readings.
Gallery of Tachometer Not Working Properly
