1991 YJ O2 Sensor Wiring

Walten

New Member
Joined
Jan 29, 2025
Location
Raleigh
Does anyone know what color wires are the signal/ground/heater for a 1991 yj?
Coming from the harness I have a green wire, a black wire, a brown wire, and a white/grey wire. The previous owner cut the sensor off so I have no idea how it is supposed to go.
 
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