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Subject:Re: LED bulbswas: Trip report Busses By the Bridge
From:Alistair Bell
Date:Sat, 21 Jan 2023 16:27:25 -0800

Buy an electronic flasher relay. Maybe 20 bucks? Handles incandescent and led bith if you have lights mixed as I do ( incandescent on back).

Ab

> On Jan 21, 2023, at 1:52 PM, Eric Caron <ericcaron96@comcast.net> wrote:
> 
> Thanks, 
> 
> So, it will work but blinks very fast.  Or should work normally if signal relay is in place. 
> 
> Now, any tips on LEDs for the marker lights or other bulbs in the rear light housing?  The back up light recommendation was excellent.
> 
> Eric Caron 
> 
> 
>> On Jan 21, 2023, at 4:47 PM, Raimund Feussner <ray@V6BUS.DE> wrote:
>> 
>> The flash frequency of turn signals depends on the wattage (i.e. load) of the bulbs.
>> If you have 21Wx2 on each side, it will blink just fine. If one goes out, you have twice he blinking speed.
>> 
>> A LED has less than one Watt. So the stock Van´s relay blinks twice the speed (as if one bulb blown).
>> Hence the extra relay: It is not affected by the load of the bulb, but stupidly blinks as defined. It´s okay for LED, but won´t show you the "faster blinking" if one of your bulbs blow. You won´t know if one bulb blows.
>> I don´t know if there are updated LED relays nowadays that recognize a blown LED.
>> 
>> So:
>> Special relay needed for LED turn signals. Full stop.
>> 
>> 
>> 
>> 
>> 
>> 
>>> Am 21.01.2023 um 22:27 schrieb Eric Caron:
>>> Back to a basic question,  Will the recommended front LED signal lights work without the GW relay?  Or in a stock vanagon?  Or both?
>>> 
>>> Eric
>>> 
>>> 
>>>> On Jan 21, 2023, at 3:33 PM, Raimund Feussner<ray@V6BUS.DE>  wrote:
>>>> 
>>>> No, never seen this on a Vanagon or anywhere else. I want to be proven incorrect :-)
>>>> The dual filaments are 5or10W and 21 Watts,
>>>> If 5/10W blows, who cares. Sidemarkers, position lights...
>>>> If 21Watt blows you will have a too fast blinker.
>>>> 
>>>> Dual filament bulbs have different purposes per filament.
>>>> 
>>>> Raimund
>>>> 
>>>> 
>>>> Am 21.01.2023 um 21:13 schrieb Dan N:
>>>>> I'd think a dual filaments bulb is for redundancy safety. If one filament
>>>>> was broken, there's the other one - no running or no blinker, but at least
>>>>> there's one functioning while waiting for the bulb to be changed. If one
>>>>> ligament and it's gone, there'd be nothing.
>>>>> 
>>>>> On Sat, Jan 21, 2023 at 12:02 PM Raimund Feussner<ray@v6bus.de>   wrote:
>>>>> 
>>>>>> 1. In Europe we don´t have sidemarkers. In the front we have
>>>>>> stand/position lights as 5W inside the headlight housing. White.
>>>>>> The turn signals are "turn only".
>>>>>> 2. All bulbs basically have their own circuitry, no bulb is shared
>>>>>> between functions (except common ground)
>>>>>> 3. The lights from .1) move into the turn signals in USA, to allow front
>>>>>> sidemarker function, but still have the same stand-alone circuitry. The
>>>>>> US blinker lenses are different, to allow this, the bulb socket (2 vs
>>>>>> 3-pin) as well.
>>>>>> 
>>>>>> Opposite example:
>>>>>> I, as a german, never understood the way of how the rear brake signal
>>>>>> turned on and off during blinking. The principle of using one bulb for
>>>>>> two circuits has to show its flaws sooner or later.
>>>>>> Although Germans love the US style lighting...
>>>>>> 
>>>>>> Raimund
>>>>>> 
>>>>>> 
>>>>>> 
>>>>>> Am 21.01.2023 um 20:15 schrieb OlRivrRat:
>>>>>>> On 21 Jan , 2023, at 11:18 AM, Eric Caron<ericcaron96@comcast.net>
>>>>>> wrote:
>>>>>>>> Also, Do they work in both the front and rear signal areas?
>>>>>>>                 Eric
>>>>>>> 
>>>>>>>         These do not work in the Rear since all the bulbs in the Rear
>>>>>> are Single Contact
>>>>>>> & these are Dual Contact so they can be both Running & Blinker in 1 Bulb
>>>>>> ~ Not sure
>>>>>>> why the Germans thought they needed to Duals as they could have simply
>>>>>> turned the
>>>>>>> Running Lights Off & On to do the Blinkers ~