Fiat Coupe Club UK

Heater control bulb?

Posted By: respace

Heater control bulb? - 07/02/2020 17:05

I've taken the centre console off but still couldn't see the bulb, can anyone tell me where it is please?
Many thanks.
Posted By: Edinburgh

Re: Heater control bulb? - 07/02/2020 17:48

To memory there should be two bulbs somewhat tenuously connected along the centre line, i.e. behind the left and right dials. If the bulbs are missing it could be you have to dig around for the scraggy bits of wiring they plug into.
Posted By: carmine

Re: Heater control bulb? - 08/02/2020 16:59

I had to replace the lamp holders because the old ones were melted by the heat.
And I inserted LEDs.
I completely disassembled the instrument panel to check the fan potentiometer, a defect of many.
Posted By: carmine

Re: Heater control bulb? - 08/02/2020 17:42

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Posted By: DaveG

Re: Heater control bulb? - 08/02/2020 18:14

Those are the fellas, even though "only" 5W they stay on a long time and melt everything nearby, LEDs are the way to go
Posted By: respace

Re: Heater control bulb? - 14/02/2020 10:30

Thanks everyone, I've had a look again and the reason I couldn't find the bulb was because there wasn't one! I bought some 5W push in bulbs and put them in what I assume are the bulb holders but no joy. Does anyone know what type the original bulbs are?
Posted By: Trappy

Re: Heater control bulb? - 14/02/2020 12:30

I've plans to upgrade mine soon and had them down as T5 286 bulbs.

I've also read that some LED bulbs have polarity and so need to be spun through 180 degrees to work if they don't at first...
Posted By: carmine

Re: Heater control bulb? - 14/02/2020 22:05

Yes, they are T5.
My leds are with separate polarity, a lot of work and tests when I replaced them on the Tacho.
It could be the defective lamp holders, with the heat the dietal tabs move no longer making contact.
These are the lamp holders that I used.
You just have to fix them somehow.

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Posted By: Submariner

Re: Heater control bulb? - 20/02/2020 08:00

mine takes the odd thump to reseat the bulbs occasionally
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