The red wire of the light delay connects to the red wire of the car light.
Car interior light delay unit.
The light goes on.
This delay gives you the time to gather the seat belts find the ignition slot with the key etc.
Car 12v light delay off i can send eagle files xxxxx brd or xxxxx sch via e mail.
It monitors ignition and if ignition turned on the light fades as soon as the door is closed.
When the door closes and the dome light would normally turn off the dome light dimmer module takes control and holds the dome light on for a few seconds the delay feature.
Dome light dimmer is a smart circuit that adds several modern features to the basic dome light.
It provides modern car functionality to the dome light by slowly dimming the light after 20 seconds when the door is closed and slowly increasing the light intensity when the door is opened.
The light is controlled by a manual and a door switch.
If all the wiring looks in good condition i recommend replacing the interior lamp control module.
Car interior fading light demo duration.
Look for any ground wires to the interior light circuits to see if they are loose.
Check the next pictures.
The interior lamp control module is located under the center of the instrument panel on the dash of your vehicle.
Interior roof light with a philips bluevision w5w light it s allot brighter and whiter.