Technical Tips > Post 84

C4 1990 Third Brake Light

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peterw:
Those COB LED's are very bright.

peterw:
I finally remembered to take a photo of the LED's in action

Vettech:
Well that looks very good.

I've seen similar at Jaycars et al, in fact I bought a set of Blue Leds years ago, and was going to put them on the blue car - but looked to much like a boy racer's car.

 The lamp fittings etc are RS, the gasket seal is in pieces (unavailable) so it needs some work applied, including a Silastic home made gasket, its just getting the time - esp since I'm now at war with the RTA on Hplate issueing and paperwork.

I'm glad you put that pic up, they fill the bill and as you say the globes (×4) at 5W ea dissipate 20W which is a fair current draw at 12vdc.
BUT! being Mr Pedantic, the thing I dont like about LEDs is seeing the individual leds - it needs to be a bright homogeneous red plasma like light.
I built an electronic spirit level (Silicon Chip) with a red diffuser - um now where is it ?

peterw:
I know what you mean about the individual LED's, I don't like them on modern tail lights either.

This light used to be 4 individual spots rather than a homogenous red bar.  I can live with 15 spots.

Vettech:
Yesterday fedup I finally bit the bullit and pulled the brake light assy off, no sooner had I done this , it bucketed down, the 90 now has a fine selection of 60mph tape plastering up holes in the rear hatch.

Removed, stripped down, cleaned, the globes are all ok, the sockets are intermittent corroded along with the cct hoard solder joints.

Now it's fully apart on the bench, I'll search some suitable leds, a trip to Jaycar is needed. As soon as I squeeze down some pics I'll put them up.
 
PeterW - I note no gasket on either of your pics, what did you use, the original is like a foam rubber and unavailable.

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