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Twilight Sentinel gives up too easy!


The_Raven

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Howyadoin,

Here's a new bit of weirdness that's cropped up on me in the last month or so...

My Twilight Sentinel only puts the headlights and dash lighting on when it's really, really dark, and ambient light from streetlights or oncoming headlights causes it to shut off the headlights and dash.

Any ideas? Is the sensor safe to clean, if so with what?

Thanks!

-Rav

-Mark P.

Salem, MA

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"Refined Sugar" - '96 SLS, 175K

"...the Caddy is dedicated to relentlessly -- and comfortably -- converting time into distance." -J.J. Gertler

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Clean the sensor on the dash for starters. Not likely the problem but worth a shot. If that doesn't work, I'd suspect the sensor going bad.

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Mine on my 96 SLS has a mind of it's own. Comes on when sunny sometimes, won't come on when nearly dark sometimes, and then, just when you don't expect it, it works fine for a while.

Have cleaned the sensor a few times but hasn't helped me.

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Clean the sensor on the dash for starters. Not likely the problem but worth a shot. If that doesn't work, I'd suspect the sensor going bad.

The sensors shift with age - if cleaning it doesn't fix the problem, replace it - thay are $25 at the dealer. That should solve the problem.

Kevin
'93 Fleetwood Brougham
'05 Deville
'04 Deville
2013 Silverado Z71

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Clean the sensor on the dash for starters. Not likely the problem but worth a shot. If that doesn't work, I'd suspect the sensor going bad.

The sensors shift with age - if cleaning it doesn't fix the problem, replace it - thay are $25 at the dealer. That should solve the problem.

I can't imagine what exactly "shifts" in a sensore. :blink: But KHE knows what he is talking about. :D

The saddest thing in life is wasted talent

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Clean the sensor on the dash for starters. Not likely the problem but worth a shot. If that doesn't work, I'd suspect the sensor going bad.

The sensors shift with age - if cleaning it doesn't fix the problem, replace it - thay are $25 at the dealer. That should solve the problem.

I can't imagine what exactly "shifts" in a sensore. :blink: But KHE knows what he is talking about. :D

The sensor has a resistance value that varies according to the amount of light shining on it. As the sensor ages, sometimes the resistance value shifts and the system doesn't see the proper resistance and the headlights will stay on longer or won't come on soon enough.

Kevin
'93 Fleetwood Brougham
'05 Deville
'04 Deville
2013 Silverado Z71

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Are they very difficult to install? For about $25 if they aren't too difficult I'll fix mine.

Thanks, Paul

It is simple to change - pop off the defroster grill and the sensor lifts up and unplugs. It's a 10 minute job.

Kevin
'93 Fleetwood Brougham
'05 Deville
'04 Deville
2013 Silverado Z71

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