Glow plug relay mod help
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Logistics Pro
Joined: Apr 2011
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From: Earth
Glow plug relay mod help
ok, I am looking for a good post or write up detailing the wires to use and perhaps a way to route them? I have the LED that I want to use but need to just sort out which terminal to hook the LED to and what size wire to be using, also perhaps what size fuse to use?
truck is a federal E99 (non Cali truck)
truck is a federal E99 (non Cali truck)
Hotshot
Joined: Mar 2014
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From: Douglassville, PA
If I was doing it (and I plan to) I would take it off the large wire on the out side of the GPR, that way you'll know when they're on and if the GPR fails you'll know that too. LED's use very little electricity and the light should have power consumption listed. I'm thinking 14 Ga wire and a small fuse should suffice.
Fleet Mechanic
Joined: Aug 2006
Posts: 1,465
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From: Jacksonville, FL
You will hook it to the load (glow plug side) of the relay. This will be one of the bigger posts with no voltage on it when the truck is off. As for wire, #14 or even #16 would be more than sufficient for the current draw you should see. As for the fuse, assuming it is just a "regular" LED then a 3 or 5 amp fuse will be fine, this is still under the current rating of the two wire sizes listed above.
Edit: Walleye beat me to it!
Edit: Walleye beat me to it!
Fleet Mechanic
Joined: Nov 2008
Posts: 1,573
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From: Seattle
Oh, c'mon now Jaime! All of the popular mods like these are up at the top of the forum. They're not that difficult to find! https://www.ford-trucks.com/forums/7...wmriceman.html
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Logistics Pro
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From: Earth
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From: Douglassville, PA
It's your truck and your final say, but I personally like the one mounted on my bumper, it's low enough to put light infront of me, and not blind other drivers at night, but still able to get the light out far enough to allow for better reaction times if evasive action is required
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Logistics Pro
Joined: Apr 2011
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From: Earth
not sure about the resister part but it is an automotive LED I got from Autozone, I also put a 5A (I think?) fuse, I think it may really be a 1A fuse
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