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Hazard switch bulb polarity...

Does anyone know which of the two pins for the hazard light switch tell-tale bulb is positive? Just about to bung a led on it...

 

Cheers, Tudor...

Featured Replies

well as you cant blow the LED put it on and test it first would be my bet. if it fails to illuminate then turn it around lol

  • Author

My car isn't with me, but the switch is, it's only a few hundred yards away, but it's raining, and I'm lazy, 50/50 chance of getting it right tho!

  • Author

Impatience got the better of me, but it turns out it doesn't work either way round, haha, typical, having a gander at the switch now.

 

Well, nowt wrong with the switch, will get my meter on the plug tomorrow see if the feed to flash it is present, can't be tho or it would light up, eeeee.

Edited by Tudor...

As you look at the switch front on, the leg on the left is the positive, you need a resistor on it too,

 

 

  • Author

Cheers Graham, that's how it is now, yeah, resistor is on it, doesn't work either polarity tho, will examine further tomorrow, has never worked and the bulb is fine too.

There are 2 copper looking pins on the rear of the switch in the plug housing, they are the light feed, theres not alot to it really, the copper tracks might need a squirt of switch cleaner. If you have a meter do a continuity test on the pins, ie at the plug input and the bulb base pins.

  • Author

Already done pal, yeah is as simple as peas, all rings through, will check if there's a feed coming from the plug tomorrow with some thin pin ends for my probes, with the switch connected and the hazards on, stick em in the wires, if yeah then summet just needs a fettle somewhere...

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