I know this is already out there, but I figured with the recent questions I'll create a more detailed one.
2000-2004 Focus Go Here:
1) 2" - 12 Gauge Wires
2) 2 - Male Connectors
3) Wire Cutter/Stripper
Cut out a 2" wire and strip both ends.
Crimp the male connectors to the end of the wire.
Locate and remove R13 relay. (This image shows R13 relay already removed
Insert both ends of the wire into the socket.
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