[AT] tractor hauler a pain to install headlights.

[Robert Brooks]

We had an issue with Joans Suzuki the sensor went bad so all the lights were always on. It was fixed under warranty. Apparently the mechanic had a hard time replacing it

Bob

On Jan 21, 2020, at 10:10 AM, Steve W. <swilliams268 at frontier.com> wrote:
> 
> Phil Auten wrote:
>> I haven't checked my Ford Fusion, but then I just turn the lights on and never use the "auto" position on the switch. My F-150 does not have that option.
>> Phil in TX
> 
> I think there is a bit of confusion in regards to the auto light function and the DRLs.
> 
> Many DRL systems do not turn on all of the lights. They only activate the headlamps at reduced output. There are some that turn on all the lights but they are not the most common.
> 
> The automatic lights usually have a sensor on the dash that detects the exterior light level and turns on all of the lights once the light is below a set level, just as if a human turned the switch.
> 
> I have seen those get fooled though, usually in bad weather where the light gets reflected back to the sensor by for or heavy rain or snow. The backscatter is enough that it exceeds the threshold and the system switches back to the DRLs.
> 
> -- 
> Steve W.
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