wiring problems

ma70mkiii

New Member
Jul 16, 2007
139
0
0
ohio
i am trying to wire up my harness and i am working on the ig1 connector and the connector has been cut. there are 2 brown wires on the connector and i dont know which one is which b/c they look the same. 1 is for the cat temp sensor and the other is the dash ground. anyone tell me how to id these wires so i dont screw anything up