How do you replace the dim passenger side headlight for a 94 accord?

If it's dim it might not be a bad headlight, in fact it probably isn't the headlight. There are two possibilities that you might want to check. First, Honda often used separate fuses for each headlight. Make sure the headlight fuses are ok and that they aren't corroded. Next, make sure the ground wire for the dim headlight isn't corroded.