Table of Contents
Which side of coil does tach wire go?
negative side
Tachometer installation can be as simple as connecting the tach’s sending wire to the negative side of the ignition coil, while other ignition systems feature a dedicated tach sending circuit.
Where is the tach signal?
The most common locations for a tach signal are the negative terminal of the ignition coil or tachometer output terminal (HEI, Ignition Control Boxes or ECU).
Which side of coil goes to tachometer?
What is the yellow wire for on a tachometer?
Yellow wire is connected to ignition switch ON position, to connect to positive ( + ). Green wire to negative ( – ) or body or ground wire. Black wire for signal, connected to negative of coil, to allow tacho to ‘sense’ engine speed.
Where does the tach signal come from?
On recent EMS found on modern vehicles, the signal for the tachometer is usually generated from an ECU which derives the information from either the crankshaft or camshaft speed sensor.
What is the standard RPM for small engines?
3600 RPM’s has long been the common “standard” at which the average little engine was governed..
How do I install the Auto Meter tach adapter?
The Auto Meter Tach Adapter wires in line on the positive 12 volt supply wire. It senses current on the coil positive wire and converts it to a 12 volt signal output. To install the Tach Adapter, the coil positive wire must be identified for your application. Once the wire has been located it is recommended to check for 12 volts using a volt meter.
How do you hook up a 9117 tachometer?
Next, use 16g wire and link all the coil-side cut halves together and hook to the red wire with a green stripe of the 9117 tachometer adapter. Ground the black 9117 adapter wire. The gray wire is your new tachometer signal wire. Set your tachometer as 8 cylinder (4 ppr). All connections should be properly soldered and heat shrunk.
How do I change the shift point on my tachometer?
Once the pointer is positioned at the desired RPM, press & release the SET button to store the setting. NOTE: If the Low Set shift point has been changed, the High Set shift point will also be changed to the same value. 2. Two-Stage Shift-Lite Application (For tachs with two shift-lite set points) 1.
Can I use an Auto Meter with a shift-Lite™ tachometer?
• Any Auto Meter Shift-Lite™, or Quick-Lite™ Shift-Lite can be used with tachs equipped with a black, Shift-Lite connector. NOTE 1:This tachometer has an air core meter. With power off, it is normal for the pointer to leave zero. When 12V power is applied, the pointer will move to the correct position.