On these cars, original the current to the headlights, flows through the light switch and the high – low beam switch inside the car. With this relay kit installed, the current flows from the battery direct to the relay, and from the relay through the existing fuses, to the headlights.

Relay Kit for Porsche 911 74-88 Headlight
$39.00 + $6 s/h

Relay Kit for Porsche 911 65 - 73 Headlight
$44.00 + $6 s/h