Originally Posted by
bfloyd
I'm in the middle of putting my dash binnacle back together after having it recovered. While I've got it all torn apart, I figured this would be the time to replace the incandescent bulbs with LED's. I know not to replace the battery light, but all others are fair game. Anyway, I ordered the 194 equivalent bulbs from Super Bright LED's and they arrived yesterday. Is there a polarity thing I should be aware of. I know some LED's will not light if the polarity is reversed, but none of these new bulbs are marked in any way. Is there a way to determine which is positive and which is negative on an LED bulb, or is it basically trial and error?