Directed Electronics AutoCommand 28623TN Owner's Installation Manual page 21

Once you locate the starter wire, cut the wire in half (check the
web information before cutting) and try to start the vehicle. If
the vehicle does not start, the correct wire has been identified.
Reconnect both ends of the starter wire while soldering the thick
YELLOW (6) wire of the heavy guage wires to it and wrap the
connection with electrical tape.
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