5
4
Optionally
, the
YELLOW
analog output can be connected to the analog
input of other devices such as data loggers or ECUs. If this wire is not
being used isolate and tape it out of the way. The default analog output
configuration is 0V = 7.35 AFR and 5V = 22.39 AFR.
5
Optionally,
the
PURPLE
wire can be connected to a tach signal to log
engine RPM and to use the shift light function. A tach signal can be
acquired from the negative lead of a coil, ECU, negative lead of an
injector, or directly from the ignition box if running a multi-spark (i.e.
MSD 6AL).
Note:
A tach signal can not be acquired from the negative lead of the coil
on vehicles running CDI ignitions. For these applications use the
negative lead of an injector or a tach adapter (if available for your model
ignition).
2.1.1
Single Innovate Device Relay Wiring Instructions
2.2
Gauge Mounting and Routing
The SCG-1 gauge fits in any standard 2 1/16” (52mm) gauge pod. Mounting
of the gauge should be done in such a manner that the cables are not being
forcefully pulled and strained from the gauge itself. Route the sensor and
solenoid cables avoiding contact with the exhaust system and other vehicle
