the relays area a good idea even when you have stock wattage bulbs (H4 or
whatever). Increases the voltage to the lights for a brighter light. See the
instructions on my web page (and link to Ken Lewis' instructions) and the
ones on the Daniel Sterns site (http://lighting.mbz.org/faq/)

Alistair

--
'82 Westy -> diesel converted to gas in '94
albell@uvic.ca
http://homepage.mac.com/alistairbell/home/

on 24/7/02 1:48 am, Jeffrey R wrote:

> If I replace the stock style headlights on my 83 bus with Hella H4 7 inch
> round headlights, do I need to install a relay? The H4 bulbs are 55/60 watts
> (low beam/high beam).
>
> My fear is they will damage the light switch. I don't know exactly why they
> would--too much pwer running through the switch, maybe? I'm no electrician.
>
> I should also mention I have the hella H3 driving lights wired into the high
> beams with no relays.
>
> I'd rather avoid the project of installing relays, but am I then working on a
> fire? Are the relays necessary to avoid this?
>
> (once the H4 are installed I will only use the vehicle in competition and off
> road per DOT laws for the H4 ;)
>
> TIA
> Jeff
> 83.5 Westy
> LA,CA
>