Thread: Headlight upgrade for 90s 4wd

Originally Posted by csmiffy

That's why I suggested a relay system.
Power straight from that battery.
There is also another added bonus especially on a lot of models like most hiluxs. The switch on the headlight stalk on the steering wheel can't handle lots of voltage/amps. To much of an upgrade and they burn out. Using them to a switch a relay stops them burning out

Most of the modern vehicles do actually run some form of relay for that reason - with the current model stuff the switches are computer devices not switches as we know them. They only send a signal to the damn computer modules that then tell everything what to do...