User Manual

Tinted Series - Air / Fuel Ratio Gauge
For Product Numbers: GS-T02A
Wire Color Code
Black:
Vehicle Ground ( - )
Green:
Oxygen Sensor Signal
Red:
12v Ignition (switched) Source (+)
Orange:
12v Dimmer (switched) Source (+)
4. Air / Fuel Ratio: Connect the green wire to the vehicle
Oxygen sensor signal. You may connect directly to the ECU
harness or splice into the signal wire leaving the sensor. This is
usually the green wire on the Oxygen Sensor.
(0v ~ 1v Output - NARROW BAND SIGNAL ONLY)
5. Using automotive grade wiring (18 gauge), connect the
black wire from the gauge to any good (unpainted) ground
connection. You may also route a wire directly to the negative
side of the vehicle’s battery.
6. Reconnect the negative battery cable.
Be sure all of your wiring is correct for proper gauge
operation.
This gauge should never be connected to a dimmer.
Connecting the gauge to any type of dimmer switch unit will
cause the gauge to improperly function.

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