source website: http://1971.240z.home.comcast.net/extras/alt-adapt.html

designed for 240z and 260z Z cars

use this part when replacing/upgrading an externally regulated alternator with an internally regulated 280zx alternator. It eliminates the need to solder or cut wires.

can easily be installed by simply plugging into harness where the external voltage regulator was connected

the plug also contains a diode to prevent run-on

instructions

$15 this includes shipping