This is fabulous !!My favorite thus far is bypassing the relay circuit that makes our OE fog lights turn off when the headlights are switched to "bright". The bright lights are great, but sometimes I'd like to light up the shoulders of the road at the same time.
Using all 5 pins of a 5-pin relay allows electrical components to do the opposite of another. (ie., Fog lights turning off when bright lights are turned on.)
I picked up a spare relay from AutoZone to do this, and kept my OE relay. The fog lamp relay to replace is located in #35 of the power distribution box under the hood.
Pin #1 can either be bent over, or cut to prevent the relay from activating/turning off the fog lights. I have to give credit where credit is due. I'm a nerd when it comes to electronics, but this mod had never crossed my mind. Stu Olson, at StuOffroad.com is great guy. He's shared some very helpful and cool mods on his site.
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View attachment 131943
I run my a-pillar and roof top light bar off the fog circuit, I have no "fog" lights.