Looking at back of H4 bulb with middle prong at top: left prong is ground, Middle is Lo, right is Hi

It is a known fact that dash lights/gauge lights will shine thru the beam lens and make it seem like it's on. The fact you say it's "dim" sometimes could be a tell tale sign of that.

Did we lose Bill? Are we talking to ourselves again?


Right is right, even if everyone is against it, and wrong is wrong, even if everyone is for it. - William Penn