Dome lights will not come on

150

Asked by Feb 23, 2013 at 05:56 PM about the 1994 Ford E-350

Question type: Maintenance & Repair

The reading lights do not respond to the switch on the dashboard nor do they come on when pressed. The fuses have been checked and appear good.  Any ideas?.

21 Answers

Isn't there a switch ON the domelight itself? Does this one come on when the door is opened? Is it doing something now that it did not do before?

5 out of 5 people think this is helpful.
150

We just bought the van 2 days ago, so we are just trying to figure things out. The lights have a "button" on them that you push to come on, but they do not come on when pushed. No lights come on when the door is opened. Thanks for your quick response.

15 out of 15 people think this is helpful.

the domelight bulb is an easy creature, like a little hotdog with metal ends. this should pop out with no tools-

3 out of 3 people think this is helpful.

look at the translucent rectangle above your head, it will contain a bulb with a burned out filament.

gave you ten points, just for shits and giggles~

25

Burnt bulbs. Come on now. You don't need to ask that on any kind of forum or thing like that. It's common sense.

1 out of 1 people think this is helpful.

Now now colin, we have to respect the women! and do all that we can that a gentleman can do to please a lady!

You know dude, it MAY NOT be as simple as a burnt filament. It's just a guess, by your old guru pal, bob_nueske- she's new to this truck and hasn't figured everything out yet.

89,795

Interior lights are strangely wired. There is a hot wire that always has power on it. That's the one with the fuse on it. There is a ground wire which is used when the dome or map reading light light is set to "On". The third wire is the ground potential from the from the Body Control Module (BCM). This is the wire that varies the voltage to fade the lights out at the end. When the lights are on, that ground is zero volts. When the lights are off, that wire is at 12 volts. Since there is 12 volts on both sides of the lamp, no current flows. When The lights are dimming, that wire has the potential between zero and 12 volts. --- Make sure the dome switch is not off. Try turning the lights on by using the dash dimmer control, the dome light control and the door opening.

3 out of 3 people think this is helpful.
18,495

in that case it needs a solid ground under lens cover

1 out of 1 people think this is helpful.
425

Im not going to argue with the gurus but as a side note some of those econolines have a dome light bypass button that kills the lights to the dome upon entry and wont allow the lights to come on in any way until this switch is reperessed. If there is one it wont be a noticable switch due to it just looking like another piece of molded dash plastic it will usually be black by the lights switch and be marked with a lightbulb picture with a single line through it if it is not there then my guess would most likel be a bulb issue. In the instance that there is 2 or more lights not comming on it could more likely be a wiring issue. Just start with the easiest scenario and trouble shoot ur way through

2 out of 2 people think this is helpful.

war-time blackout feature.

425

Ya something like that bob_nueske

2 out of 2 people think this is helpful.
425

94 was when they were playin around with idea so some have it most dont now almost all new vehicles have it. It has some moments of usefullness but not much..... Unless ur avoiding being noticed

1 out of 1 people think this is helpful.

mmm-stealthy~

18,495

see that right from the owner of one ,that helps cuz all makes have little quirks,you never always know so every shot is actually helpfull .good or bad ,thats how you learn .carry on!

...yeah, by getting your ass kicked and losing all credibility...all at once!

18,495

your doing fine ! nobody gets a prize!

1 out of 1 people think this is helpful.

still expecting a quiz on the components of the jetronic-

10

I had opposite problem with not being able to turn light off. Found out the knob that turn on head lights can turn to dim dash light and turn of on interior light

1 out of 1 people think this is helpful.

sp00kie~

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