Dashboard Dimmer Problem

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Linksvu

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Now that is is working, does it illuminate when the lights are turned on? I'm having a similar issues, but my switch only responds intermittently to dimming.

How much the part?
 

Langer

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Now that is is working, does it illuminate when the lights are turned on? I'm having a similar issues, but my switch only responds intermittently to dimming.

How much the part?

yes, when running lights or headlights are on it is illuminated.
 
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Ghostwolf

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Now that is is working, does it illuminate when the lights are turned on? I'm having a similar issues, but my switch only responds intermittently to dimming.

How much the part?

Like Langer said, yes, the switch illuminates when the headlights are on.

The part number (for my 2016) is BC3Z-11691-AA and lists for around $40 but you can find it on Amazon for around $29. My local Ford dealer runs a internet parts store and discounts to about 20% (varsityfordparts.com). Since I can pick up from them locally, I can avoid shipping costs and paid $13.35 for the part.

I would suggest that you check the connection at the switch and see if it’s secure. In my case, it was just loose. It’s easy to reach if you remove the bottom half of the steering wheel shroud (3 screws from underneath).

If it turns out that your connection is secure and the switch is still flakey, let me know; you can buy mine and I’ll ship it to you.
 

turtle019

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While feeling around I noticed that the connector to the existing dimmer switch was indeed disconnected
I had the same issue when I bought my '17 used. Would yours happen to be a formerly Canadian vehicle also? For mine I just figured they forgot to reconnect it when swapping the speedometer to mph
 

Linksvu

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Thanks. I mine was operator error. I did not realize there was a 'soft touch' for the dimming and then a hard touch to turn the overhead lights on. So far, mine is working as I think it should now.
 
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Ghostwolf

Ghostwolf

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I had the same issue when I bought my '17 used. Would yours happen to be a formerly Canadian vehicle also? For mine I just figured they forgot to reconnect it when swapping the speedometer to mph

That’s an interesting theory, especially since my Expedition was originally sold on Quebec. You’re probably correct.
 

UtahExp15

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I had the same issue - bought my Expy a few months ago and thought I had a bad switch, turns out it was disconnected. I was able to reach in by quickly disconnecting the leather shroud above the steering wheel, and feeling in there to connect the cable back in. Now I can turn on and off the cabin lights! Thanks for the detailed comments - they were really helpful.
 

Drmayer88

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Mine has never worked as well ('17) and was a canadian vehicle. time to check the plug!
 

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