Re: T3 Headlight wattage vs Silverstar H6024
The problem of not running relays is the current travels once in to the switch then back out to socket.
There is resistance of the wires involved, given off as heat, and switch contacts as they will be dirty due to carbon pile-up over the years of turning them off/on.
Every time the contacts get close enough, an arc is generated thus depositing carbon onto the contact. Get enough carbon, resistance is carbon, then more current given off as heat, less power/current at socket.
Think of all the contacts of the wire sockets involved also.
Having relays installed shortens the wire length and the number of contacts the current travels through.
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