Monchie Posted August 7, 2011 Share Posted August 7, 2011 Is there a DIY way of separating switch control of fog light from the head light? Apparently, the fog lamp can only be activated when the head lamp is switched on. I want to turn on/off the fog light independent of head light control. I've got 2008 ES350. Quote Link to comment Share on other sites More sharing options...
cduluk Posted September 1, 2011 Share Posted September 1, 2011 Is there a DIY way of separating switch control of fog light from the head light? Apparently, the fog lamp can only be activated when the head lamp is switched on. I want to turn on/off the fog light independent of head light control. I've got 2008 ES350. No easy way to program the car to do it, but you can set up a few relays to make it happen. Wire your own circuit directly from the battery to the headlights, with a switch in the cabin. Then install a relay so when you turn the foglights on via the stalk on the steering column, it will disable your new circuit, avoiding a short. Quote Link to comment Share on other sites More sharing options...
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