Illuminating the Issue Understanding Fog Light Short Circuits

The fog lights are not working on my new to me 3rd gen Toyota 4Runner. In this tutorial video I show you how to diagnose a faulty fog lamp ... I had a light burn out on my truck, and I thought it was going to be a simple light change. I was wrong. Since these lights are low down on ... Have you checked the bulbs? The short can be the bulb and/or housing. There's also some wiring that passes through the fender that can get ... To blow a fuse means a short. Chect the wire harnesses going to the lights carefully for spots that could be rubbing on metal somewhere. Backlit switch provides you with night readability. LIKE - Green Backlit Tall Push In Switch 1.54"x 0.83" (Fit: Toyota) USD 10.95. LIKE - Red Backlit Tall ... While getting my regular service I asked to have my faulty fog lamps looked at. Turns out, they are shorted out due to moisture, ... Did you electrically verify, with an ohm meter or continuity tester, that the bulb is burned out, or open? :confused: Bobby... ['07 FSXT MODding ... When it was time to make the connection, I wanted to make sure which wire was power and ground, so we don't cause a short to the new bulb. He ... I'd check the switch itself for a loose connection that could be causing the interruption.... or the bulb itself could be shorting out in the filament.... Another test is to measure the resistance between the chassis ground, and the grey wire with the fog lights OFF. That is after you read zero ...