Jaycar 31mm Festoon Replacement Interior Light Kit

Submitted: Thursday, Jul 31, 2003 at 23:43
ThreadID: 6291 Views:3763 Replies:2 FollowUps:9
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Hi all,

As mentioned in another thread, I've just bought the 31mm festoon replacement interior light kit from Jaycar Electronics (Cat#KC-5354).

Total cost of the kit plus extra required components (LED's, resistor, diode, Festoon end caps) is $13,63 AU ready to go - and it took me no more than tenminutes to build.

Installed it tonight - and must say it's not as good as I might have hoped. The LED's I bought were white 7000's (the brightest white LED Jaycar stocks), and I used a resistor slightly lower than the required 220ohm (I chose 200ohms to squeeze a touch of extra brightness - as the LED's I bought needed actually 206ohms and 220 was entirely unnecessary and would have made the light even dimmer).

The white light of the LED's is quite pleasant - nicer than the yellow light of the normal incadescent globe - but I must admit that the stcok 12V 10W festoon globe IS brighter - albeit somewhat yellow.

Add to this the narrow angle of the LED's when compared to the wide angle festoon globe, and my preference is for the stock unit.

After all of this I decided to chuck the old festoon globe I was using (remember it was significantly brighter than the LED kit) and buy a new one just for fun.

I bought a Narva 12v 10w 31mm festoon globe and installed it - hey presto - brighter than both the LED kit and the old festoon globe of the same specifications.

Moral of the story - if you want to retain the stock lighting system and get acceptable illumination - fork out a whole 85cents and buy a new Narva 12V 10W 31mm festoon globe (or whatever specs your vehicle requires) and be done with it.

If you are happy to spend a few buck (around $30-$40) and don't mind modifying the light a little - get a 12v flouro cabin lamp from Jaycar (cat# ST-3007). We installed one of these in Trucksters GQ in the rear - wired in to his cabin light circuit and it works a treat!

Cheers,

Luke.
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Reply By: Steve from Armidale - Friday, Aug 01, 2003 at 10:09

Friday, Aug 01, 2003 at 10:09
Have a look at Goerge's page
http://www.geocities.com/george_tlc/led.html

The toyota forums rave about them, and I have one on order now

Steve from Armidale
AnswerID: 26496

Follow Up By: Luke - Friday, Aug 01, 2003 at 10:14

Friday, Aug 01, 2003 at 10:14
Yeah I've had a look there - but he is far too expensive for what they are IMHO.

An 11 watt flouro light kit will cost less - and give much better light.

I'm having a look into those luxeon LED's though at www.lumiled.com - might come up with something using those LED's if they aren't too expensive from the source....
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FollowupID: 18104

Follow Up By: Allyn (Pilbara) - Friday, Aug 01, 2003 at 11:41

Friday, Aug 01, 2003 at 11:41
I have two on order also.
What I liked most was the minimal power drawso many places, so little time !!!
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FollowupID: 18128

Follow Up By: Luke - Friday, Aug 01, 2003 at 12:22

Friday, Aug 01, 2003 at 12:22
At 12.8volts, the 11 watt flouro light kit draws around 85mA (less than a single Luxeon @120mA).
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FollowupID: 18133

Reply By: stillthinkinaboutit - Friday, Aug 01, 2003 at 14:28

Friday, Aug 01, 2003 at 14:28
Hi Luke,

I think you are out by a factor of 10x.
An 11watt fluro is likely to draw 850ma not 85ma.
Might like to check it again. I have a few of these units, and mine draw a lot more than 85ma.

Regards,
Mark
AnswerID: 26544

Follow Up By: Luke - Friday, Aug 01, 2003 at 17:19

Friday, Aug 01, 2003 at 17:19
Ahh yes - thanks very much - you'd be quite right there.....

....thanks for pointing out my flawed maths :-)

805milliamps is more like it, therefore - the flouro is going to be drawing significantly more power than a single Luxeon star....

Cheers,

Luke.
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FollowupID: 18175

Follow Up By: Luke - Friday, Aug 01, 2003 at 17:23

Friday, Aug 01, 2003 at 17:23
oops 850 - not 805......

....not only is my maths bad - but my typing also! :-)

Still - even 850mA is not a significant drain on a healthy large capacity vehicle battery and for the extra brightness and price the flouro would still be my preference over the Luxeon if I had the choice. Even better still would be both :-) As I said I'm looking at those LED's at the manufacturer's website - might be able to source them here? Fairly easy to design a holde/circuit for them to replace the festoon globe and should be able to do it alot cheaper than buying made up replacements from America.

Cheers,

Luke.
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FollowupID: 18177

Follow Up By: Allyn (Pilbara) - Friday, Aug 01, 2003 at 18:43

Friday, Aug 01, 2003 at 18:43
so I'm not so bad off after all eh !
If they work as well as I suspect they will and last I'm more than happy to pay $40 each for them. George has been in touch constantly and I get the feeling that if a problem should arise I only have to e-mail.

I don't have a Jaycar store nearby or the time to go searching through their on line catalogue so this site has served me well (again).

Luke - I shall put a lux meter under my lights when installed just out of curiousity and to inform others.so many places, so little time !!!
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FollowupID: 18183

Follow Up By: Luke - Sunday, Aug 03, 2003 at 20:06

Sunday, Aug 03, 2003 at 20:06
Yeah - your right, you'll certainly be better off in the power consumption area with the Luxeon over the flouro. I'd be surprised though if the Luxeon is as bright as the abovementioned flouro. I will look forward to reading the results of your lux meter test.
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FollowupID: 18248

Follow Up By: Allyn (Pilbara) - Monday, Aug 04, 2003 at 19:52

Monday, Aug 04, 2003 at 19:52
George posted 'em 4 days ago so I'll get back to ya after they're fittedso many places, so little time !!!
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FollowupID: 18319

Follow Up By: Allyn (Pilbara) - Thursday, Aug 14, 2003 at 00:18

Thursday, Aug 14, 2003 at 00:18
Received and installed (took 5 minutes to do both) yesterday and I can't imagine anything being much brighter. Well & truly happy
Haven't got access to the lux meter tonight but if I do I'll get back to ya.Next Trek - Callawa Rd
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FollowupID: 19187

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