Changing gauge cluster light bulbs - How To

SGlez10 said

Ok. So what exactly is your point? That I need to see it while car is running? Make sure it’s grounded correctly?

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Yes yes and yes.

What bulb did you use?

I know my stock 67 dart dash last time I had it out I replaced all the bulbs and most of the holders.

One holder was tight but not making good contact and that bulb would come and go.

That side of the dash would be dim, then bright then dim. After I fixed the holder it has stayed on and there is no issue.


Another thing to look at is is the rheostat providing full power at full on position.

It might have excess resistance in its sweep or in the connector terminals.