Dome Light Dimmer

Deluxe Dome Light Dimmer

  • Controls a vehicle's dome light to add a theater lighting effect.  Gradually turns the dome light on and fades the dome light off.
  • Monitors the door switches and switched power line to control the dome light.  When a door is opened, the dome light gradually brightens to full intensity.  When a door is closed, the dome light remains on for up to 30 seconds then fades off.
  • Monitors the switched power line to refine the experience.  If the key is off, the dome light is held on for 30 seconds.  If the key is on, the dome light fades off as soon as the door is closed.  When the key is switched off, the dome light automatically turns on for 30 seconds.
  • Compatible with LED and incandescent bulbs up to 4 amps (for additional drive capacity, see our Output Multiplier)
  • One year warranty

$58.99  PN 13005 (GM from the 50's, 60's, and 70's.  Mopar through '73. Classic 12v VW Beetles and Vans)

13005 Installation.PDF          Buy Now


$58.99 PN 13007 (FoMoCo from 50's, 60's, 70's, and 80's)

13007 Installation.PDF          Buy Now


I’m not sure who’s new car it was or even what kind of car it was, but when I saw the dome light stay on after the door was shut and then FADE off, I knew that was cool.  I also knew that if it was cool, then I had to have it in my ’65.  Fast forward to the present and now you can add this feature to your car.

The Deluxe Dome Light Dimmer monitors the door switches and switched power.  If a door opens, the dome light gradually brightens.  When the door is shut, the dome light remains on for a period of time and then fades off.  The amount of time the dome light remains on depends whether the ignition power is on or off.  If power is off, the dome light is kept on for 30 seconds after a door is shut.  If the key is turned on, there is no delay - the dome light immediately fades off. 

13005 - Deluxe Dome Light Dimmer

Because the Deluxe Dome Light Dimmer has full control of the dome light, if a door is left open, the dome light will automatically turn off after 10 minutes to conserve battery power.  No more dead/weak battery because someone accidentally left a door open.

Two styles are available, depending on how the dome light is activated.  13005 is for vehicles where the door switch supplies a ground connection (most older cars including GMs from the ‘60s).  Part number 13007 is for vehicles  where the door switch supplies a 12v connection (many newer cars with remote entry and ‘60s era Mustangs).  If you are not sure which one you need, use a voltmeter to test the voltage on the dome light when the dome light is off.  If the voltmeter shows battery voltage, then the door switch supplies the ground connection (so you need pn 13005).  If, instead, the voltmeter shows 0V, the door switch supplies the 12v connection (so you need pn 13007). 


$58.99       PN 13005 (GM from the 50's, 60's, and 70's.  Mopar through '73. Classic 12v VW Beetles and Vans)

13005 Installation.PDF


$58.99       PN 13007 (FoMoCo from 50's, 60's, 70's, and 80's)

13007 Installation.PDF


Tech Specs:

2”x1.5”x1” plastic enclosure with mounting tabs.

Internal 7.5A resettable fuse

Delay period approximately 30 seconds when switched power off

Fade function fully compatible with LED dome lights (uses PWM to dim the lights)

Fully potted

24 inch long, 18 gauge wires

Microprocessor controlled

Simple five-wire installation

Made in USA




Standard Model Dome Light Dimmer

The standard Dome Light Dimmer upgrades your boring stock dome light system to have both the “delay” and “fade” functions but lacks the "gradual warming up" when turning on the dome light.  The standard model also does not alter the delay amount based on the ignition power.  This model is a little easier to install.  The Dome Light Dimmer uses two wire taps on the existing wires going up to the dome light (which are usually easily accessible under the dash on classic cars) and a third wire is attached to ground (just about any screw or bolt under the dash will do fine.) 

13001a

The Dome Light Dimmer module uses the existing wiring to sense when the doors open and close.  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).  This delay gives you the time to gather the seat belts, find the ignition slot with the key, etc.

Two styles are available, depending on how the dome light is activated.  13001 is for vehicles where the door switch supplies a ground connection (most older cars including GMs from the ‘60s).  Part number 13003 is for vehicles  where the door switch supplies a 12v connection (many newer cars with remote entry and ‘60s era Mustangs).  If you are not sure which one you need, use a voltmeter to test the voltage on the dome light when the dome light is off.  If the voltmeter shows battery voltage, then the door switch supplies the ground connection (so you need pn 13001).  If, instead, the voltmeter shows 0V, the door switch supplies the 12v connection (so you need pn 13003). 


$47.99  PN 13001 (GM from the 50's, 60's, and 70's.  Mopar through '73. Classic VW Beetles and Vans)

13001 Installation.PDF


$47.99 PN 13003 (FoMoCo from 50's, 60's, 70's, and 80's)

13003 Installation.PDF


Tech Specs:

2”x1.5”x1” plastic enclosure with mounting tabs.

Internal 7.5A resettable fuse

Delay period approximately 2.5 seconds

Fade function fully compatible with LED dome lights

Fully potted

24 inch long, 18 gauge wires

Microprocessor controlled

Simple three-wire installation

Made in USA


I WANT TO INSTALL THIS ON A NEWER VEHICLE, HOW DO I KNOW WHICH MODEL I NEED?

If you would like to install this unit on a modern car, we recommend visiting www.the12volt.com.  Once there, select your vehicle and then select "Alarm/Remote Start".  You can now see the wire colors and location of those wires you need to connect to.  For all models, you will need a good ground source (that is easy, just a non-rusty piece of metal under the dash), and "Constant 12V".  

You will also need to identify how the dome light is triggered.  This is listed as "Door Trigger"; if the wire color has a "(-)" next to it, you will need either the 13001 or 13005 model.  If instead it has a "(+)" next to the wire color, you will need a 13003 or 13007 model.

If you want to install the 13005 or 13007 Deluxe models, you will need to do a little more work to determine where you can cut the door trigger wire so you can separate the door switch from the dome light (the 13001 and 13003 models can be much easier to install on newer vehicles for this reason.)  You will also need to locate the "Ignition" wire for a switched power source.

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