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Speedometer LCD screen halogen neo bulb polarity

Discussion in 'VT - VX Holden Commodore (1997 - 2002)' started by lmc, Nov 27, 2018.

  1. lmc

    lmc New Member

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    Quick question regarding the polarity for the LCD screen green bulbs on the speedometer for a VX Berlina 2001.

    Does anyone know the orientation of the bulbs for positive and negative? (have attached a photo)

    The bulbs have tiny markings, one which has a H and the other with the number 2

    Am concerned inserting and testing the bulbs the wrong way will blow the new bulbs & don't want to have to buy more from the stealership (tried the LEDs and had no luck kept blowing/ flickering)

    Any pointers would be appreciated,
    Cheers
     

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  2. Lex

    Lex Active Member

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    That picture is of a standard globe.
    Doesn't matter about the polarity.
    Those LCD screen globes are not cheap either.

    If those leds where the 3 volt led globes, that is why they are blowing. You need a resistor for the 3 volt led globes on the 12 volt system.

    If they keep blowing, you have problems.

    Welcome to the forum.
     

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