Drl bypass plug
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Mountain Pass
Joined: Dec 2006
Posts: 249
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From: Osburn, ID
Drl bypass plug
I realize trucks without drls have a bypass plug. I'm trying to disable my drls but don't have a jumper plug. Which wires does the plug make continuity with on a 93 f150? Thanks
Last edited by abranz; Oct 28, 2014 at 10:39 PM. Reason: Grammar
Elder User
Joined: Jul 2011
Posts: 793
Likes: 2
From: Vernon, BC
I think it's DRL and it usually stands for Daytime Running Lights. I think dri is a typo. My 95 Dodge had the DRL disabled by the dealership as, according to them, they failed so often it was simply cheaper and easier to bypass it instead of constantly replacing the module.
Postmaster
Joined: Nov 2011
Posts: 3,533
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From: SW Florida
DRL is daytime running lights, like GM and Turd-yota have where the headlights are always on even during the day. Looks retarded to me, and what's even funnier is that it's supposed to be a safety feature, but actually ends up making the roads LESS safe since apparently when your vehicle is equipped with the drl it makes it perfectly acceptable to not run any other lighting in low visibility conditions. Not even fog. Or heavy rain.
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Laughing Gas
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Yes.. I often see somebody driving around after dark with nothing but the DRL lights on.. no taillights which is a hazard but those people are in the minority. But at those hard to see times of day.. dusk and dawn and when driving into the sun daytime running lights do make approaching cars more visible so they are a good feature. DRL started appearing on these trucks around 1990 and all vehicles in Canada have them.
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Mountain Pass
Joined: Dec 2006
Posts: 249
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From: Osburn, ID
I'm referring to daytime running lights. Previous owner pulled the fuse for them but it also controls o2 sensor heater and backup lights. So once I replaced the fuse I had a malfunctioning DRL module which left the lights on with the truck off. I unplugged the module but then didn't have dash brake light or bright light indicator. Researched it and found out ford had a jumper plug which connects four wires ( 2 for bright indicator and 2 for brake light switch). I don't have the jumper so I cut and soldered the wires and everything works fine and the DRLs are gone.
Lead Driver
Joined: Oct 2010
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From: Ouray, CO
Yes.. I often see somebody driving around after dark with nothing but the DRL lights on.. no taillights which is a hazard but those people are in the minority. But at those hard to see times of day.. dusk and dawn and when driving into the sun daytime running lights do make approaching cars more visible so they are a good feature. DRL started appearing on these trucks around 1990 and all vehicles in Canada have them.
With digital dashboards now, you can read everything and not realize you don't have any exterior lights on at all.
Laughing Gas
Joined: Mar 2011
Posts: 811
Likes: 1
From: West Central Southern MN
Wow, old thread. Couldn't remember anything about it when I got the notification. I'd still like to know how the 9th gen trucks ran DRL's. Did they have rain sensors back then? I don't believe my truck has them, but if it did, hopefully my PCM swap doesn't screw it up.
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