Installation Procedure

Splice the wires using splice clips and rosin core solder.
Wrap each splice to insulate.
Wrap the splice with mylar and with the drain (uninsulated) wire.

Fig 1: Wrapping Splice With Mylar And With Drain
Courtesy of ISUZU MOTOR CO.
Tape over the whole bundle to secure.

Fig 2: Tapping Over Whole Bundle To Secure

Courtesy of ISUZU MOTOR CO.