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  #13  
Old 04-27-2015, 10:30 PM
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Re: Question on lights and radio operation - GC 2014

Quote:
Originally Posted by seedar View Post
there is no difference, tail lights/parking lights are the same.
Of course they are the same. The reason for the difference in the front only two fold. Full fronts are more likely to be blinding, thus reducing the safety aspect of why you are using parking lights. As you are stationary and not moving the lights stay in oncoming traffics eyes for a greater period of time. Second, they draw more power. Parking lights use very little power, are designed to be left on while the vehicle is unattended and thus also produce insufficient light to be considered safe in a moving vehicle. The rears do not need to be a lower power unit as they are not consuming that much power, and as they are red, they are not reducing peoples night vision when it is dark.

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If the situation is bad I agree, use full lights.
I canít follow the logic or lack there off in this statement. You said you want lights on to me more visible in low light (not night time) conditions, but then say ďIf the situation is bad I agree, use full lights.Ē Isnít that one in the same? Parking lights are low powered and highly diffused, they are next to useless in the conditions you mentioned (fog and rain) This is why you have fog lights, and also why you can set your lights come on automatically when the wipers are in use. They only places that have a legal use for vehicles in motion with parking lights are highly dense cities with a great amount of street lighting. Paris and London from memory are two that allow this.

As for the cost of a HID bulb. So you want to be safer, but not at a potential cost that you canít quantify in actual cost ($50-$300+ depending on model and source) or time to need replacement. Do you know what the mean life in run time or cycles is for your HIDs? What reduction in hours or percentage will you have due to the times you want parkers but not lights?

I am not trying to be a dick, but when I see people driving with parking lights on in poor conditions, it scares me that these people truly think they are offering some form of further safety, when the safest thing to do is simply turn you full lights on. I frequently see people driving in fog and rain with just parkers on, and then later when it is night, they still just have parkers on.

Parking lights are for parking, driving lights are driving, fog lights are for fog, spot lights are for rabbits.

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  #14  
Old 04-27-2015, 10:58 PM
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Re: Question on lights and radio operation - GC 2014

Quote:
Originally Posted by SNUKE View Post
Of course they are the same. The reason for the difference in the front only two fold. Full fronts are more likely to be blinding, thus reducing the safety aspect of why you are using parking lights. As you are stationary and not moving the lights stay in oncoming traffics eyes for a greater period of time. Second, they draw more power. Parking lights use very little power, are designed to be left on while the vehicle is unattended and thus also produce insufficient light to be considered safe in a moving vehicle. The rears do not need to be a lower power unit as they are not consuming that much power, and as they are red, they are not reducing peoples night vision when it is dark.



I canít follow the logic or lack there off in this statement. You said you want lights on to me more visible in low light (not night time) conditions, but then say ďIf the situation is bad I agree, use full lights.Ē Isnít that one in the same? Parking lights are low powered and highly diffused, they are next to useless in the conditions you mentioned (fog and rain) This is why you have fog lights, and also why you can set your lights come on automatically when the wipers are in use. They only places that have a legal use for vehicles in motion with parking lights are highly dense cities with a great amount of street lighting. Paris and London from memory are two that allow this.

As for the cost of a HID bulb. So you want to be safer, but not at a potential cost that you canít quantify in actual cost ($50-$300+ depending on model and source) or time to need replacement. Do you know what the mean life in run time or cycles is for your HIDs? What reduction in hours or percentage will you have due to the times you want parkers but not lights?

I am not trying to be a dick, but when I see people driving with parking lights on in poor conditions, it scares me that these people truly think they are offering some form of further safety, when the safest thing to do is simply turn you full lights on. I frequently see people driving in fog and rain with just parkers on, and then later when it is night, they still just have parkers on.

Parking lights are for parking, driving lights are driving, fog lights are for fog, spot lights are for rabbits.

Sorry Snuke, I really dont get this. Daylight Running Lights are to provide better visibility of your car on teh road regardless of driving conditions, if the conditions warrant it turn on full lights, no arguement. HOWEVER, Jeep DRL are front of the vehicle ONLY - why ! If DRL are there to provide better visibility of your vehicle why not have the tail lights on too so that you're better seen from behind also ?

That is my question. Parking lights is a distraction - this is about daylight running lights (DRL) and why they are front only - other manufacturers that I am aware of have both together which to me makes sense.
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Old 04-27-2015, 11:17 PM
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Re: Question on lights and radio operation - GC 2014

Your original question was about parking lights, not DRLs. From what I know about DRLs, they became popular as several countries were mandating headlights be on at all times. Canada comes to mind, although that may have just been certain provinces. Studies showed that front DRLs had a significant impact on the reduction of incidents. The same studies showed that rear DRLs had little to know change in incidents. During the day with less contrast it becomes harder to distinguish between normal tail lights and brake lights. That was a while ago, no doubt more info comes out. Europe is always first with these type of safety changes, so Euro cars will have these features first. I am sure if it is now shown that there is a benefit to having daytime tail lights, they will become the norm too.
There are still a lot of organisation that have great disdain for DRLs in any form.

Hopefully someone who knows what the current thinking in rears can chime in.
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Old 04-28-2015, 01:48 AM
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Re: Question on lights and radio operation - GC 2014

The names given to the various lighting options seem entirely self explanatory to me. I believe that use of parking lights in below optimal conditions has another pitfall, and that is that as night falls the driver still sees their dash illuminated. Without this visual cue, many drivers seem inclined to not respond with activation of main beam when appropriate.

If you're concerned that the rear fog light is too bright, maybe drop the globe wattage or filter the output a bit. However I would just select the primary lighting option as suggested.

Aside from fashion, DRLs are designed to combine the safety benefits of main beam prominence for oncoming vehicles without reducing the clarity of daytime brake signalling for following vehicles... in a fuel efficient manner. They are for normal "daytime" conditions.

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Old 04-28-2015, 08:19 AM
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The purpose of DRL is to assist in identifying the vehicle as it comes towards you. Especially beneficial if you are required to give way to approaching traffic.

A rear DRL makes no sense as the vehicle is traveling away from you, unless it is reversing, in which reverse lights are activated. Hence why the current model Toyota Prado always has the rear park lights on.

A DRL at the rear would also lessen the alertness of brake lights.
If you need more visibility of a vehicle traveling in the same direction as you, you shouldn't be on the road.

Having only the front DRL's allow you to drive at night without having your rear number plate illuminated. Handy for doing eggings, knock and runs, and eluding the cops. (Oh no it's a ghost car!)

Anyway the rear park lights turn on in mine during the day when park lights are selected.
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Old 04-28-2015, 08:23 AM
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Re: Question on lights and radio operation - GC 2014

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Originally Posted by Bigskiddy View Post
Having only the front DRL's allow you to drive at night without having your rear number plate illuminated. Handy for... eluding the cops.
Now you're talking something that I can relate to.
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Old 04-28-2015, 08:25 AM
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Old 04-28-2015, 12:50 PM
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Re: Question on lights and radio operation - GC 2014

Yup....
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Old 04-28-2015, 01:48 PM
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Re: Question on lights and radio operation - GC 2014

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Originally Posted by seedar View Post
By driving lights I assume you mean DRL - Daylight Running Lights ?

Also when I turn on parking lights the rear tail lights do NOT come on unless its dark outside ???? Thats what I dont understand.
Hi Seedar, took me also a long time to figure this out, I had my lights in the Automatic position (full left), and during the day I could see my DRL on but my rear lights wouldnt come on, is was confusing as at night the driving lights would come on and also my rear lights, after reading and reading, and asking and asking, I found out that during the day the daylight sensor turns the DRLs on but keeps the rear off.
Hope that helps with yur question.
Rgds.
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Old 04-28-2015, 11:29 PM
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Re: Question on lights and radio operation - GC 2014

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Hi Seedar, took me also a long time to figure this out, I had my lights in the Automatic position (full left), and during the day I could see my DRL on but my rear lights wouldnt come on, is was confusing as at night the driving lights would come on and also my rear lights, after reading and reading, and asking and asking, I found out that during the day the daylight sensor turns the DRLs on but keeps the rear off.
Hope that helps with yur question.
Rgds.
Thanks, yes back to the actual question. What confused me even more though was when turning parking lights on (one position to right from off) the rear lights still dont come on unless its dark !!!
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Old 04-29-2015, 09:42 AM
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Re: Question on lights and radio operation - GC 2014

Yes, went thru the exact same issues, for me parking lights are not to be used when your car is parked and stopped, parking lights I use when it starts to get a little dark but still not dark enough as to turn the low lights on...but since in the Jeep the rears dont come on what I do is to leave in Automatic all time.

Then again, since here in the roads its law to have your lights on, when I go out of town in daylight I have to turn the lights on manually, why ?..because in Automatic position only the DRLs come on and those are not accepted by the road police, you have to have even in broad daylights your low beams on.

All in all, it was confusing at first but after I while I got used to it and very happy overall with my JGC.
Rgds
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Old 06-26-2015, 05:22 AM
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Re: Question on lights and radio operation - GC 2014

Thought I had a problem until I read this thread. In the new 2015 Overland it works like this, open door turn on park lights they will come in the daylight or dark. Start engine park lights go out. Turn light switch from park to headlights both the park and headlights come on. I can not get the park lights to come on or stay on with the engine running when only the park lights are selected on. Regards all.
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