MTX-L_Manual.doc
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Wire analog output 1 directly to this wire. The Ground connection has low resistance to
chassis ground (less than 1 Ohm). Measure while the engine is off.
d. Vehicle has a 4-wire sensor
Typically the 4 wires are: heater power, heater ground, sensor ground, and sensor
element connection. Proceed as for the 3-wire sensor.