There are high wattage H4 headlight bulbs available which could be easily added to my Euro headlights. My question is; does anyone have any experience using these with the existing wiring harness, or should I fabricate a relay harness to supply the extra current necessary?

I do alot of driving in the country at night, dodging deer and occasionally livestock. Good headlights are a necessity for staying alive

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Larry Bible
'84 Euro 240D
'88 300E 5 Speed
Over 800,000 miles in
Mercedes automobiles