backup lights
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5th Wheeling
Joined: Feb 2016
Posts: 46
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From: Ocala
backup lights
I bought a set of aux LED back up lights for my 2000 F350. I am not anywhere close to being a mechanic or electrical engineer. I want to wire them so that they come on when I put the truck in reverse. Can I just splice them into the wires that go to the stock reverse lights?
Posting Guru
Joined: Nov 2008
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From: Oregon
I bought a set of aux LED back up lights for my 2000 F350. I am not anywhere close to being a mechanic or electrical engineer. I want to wire them so that they come on when I put the truck in reverse. Can I just splice them into the wires that go to the stock reverse lights?
Postmaster
Joined: Nov 2015
Posts: 4,807
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From: Colorado Springs
You can splice in the stock wiring. Since you're only doing back up lights, You can splice into your 7 pin too. You won't need a resistor, I wired in a LED light strip to a trailer side 4 pin and plug into my 4 pin harness, works fine.
Edit: reworded for clarification...
Edit: reworded for clarification...
Hotshot
Joined: Jan 2004
Posts: 19,763
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From: St Louis
You will NOT need a resistor if the lights are designed for 12 volt systems.
Since they're LED, they probably draw very little current and you can just run them in parallel work or in place of your regular backup lamps.
Won't work for backup lights since the 4-pin trailer connector doesn't have the reverse lamp signal on it. You'd have to get it from the 7-pin, if properly equipped.
Since they're LED, they probably draw very little current and you can just run them in parallel work or in place of your regular backup lamps.
I wired in a light strip to a trailer side 4 pin and plug into my 4 pin harness, works fine.
Postmaster
Joined: Nov 2015
Posts: 4,807
Likes: 125
From: Colorado Springs
You will NOT need a resistor if the lights are designed for 12 volt systems.
Since they're LED, they probably draw very little current and you can just run them in parallel work or in place of your regular backup lamps.
Won't work for backup lights since the 4-pin trailer connector doesn't have the reverse lamp signal on it. You'd have to get it from the 7-pin, if properly equipped.
Since they're LED, they probably draw very little current and you can just run them in parallel work or in place of your regular backup lamps.
Won't work for backup lights since the 4-pin trailer connector doesn't have the reverse lamp signal on it. You'd have to get it from the 7-pin, if properly equipped.
s
Hotshot
Joined: Jan 2004
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From: St Louis
The comment regarding the resistor was not related to your previous comment. The part about the back lights and the 4-pin was. Don't know what kind of "light strip" you installed, but it couldn't be applicable to what the OP was asking about.
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From: Oregon
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Freshman User
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I upgraded my reverse lights from the regular bulbs to Astar 1200 LED bulbs with projectors. Just over $20 on Amazon and the difference is night and day.
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Hotshot
Joined: Jan 2004
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From: St Louis
Who's fighting? I'm just clearing the air by pointing out that well-intended but inapplicable information is, well... inapplicable ... to the subject under discussion. Keeps the OP from wasting time chasing down rabbit holes out in the weeds.
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5th Wheeling
Joined: Feb 2016
Posts: 46
Likes: 4
From: Ocala
I wired a pair of AuxBeam 4" LED backuplights like this: Hot wire from battery to a 40A relay, wire from the drivers side stock light to the relay so that the new lights will come on when I put it in reverse, red to a pole on the relay and black to a ground pole on the relay and grounded to the frame, but they still don't work. One other note, the passenger side stock reverse light is not working. I replaced a bulb but it won't light up. What have I done wrong? Is it possible that the passenger side light not working would impact the aux lights that I just installed? I'm going to check the power on that light and see if perhaps I need a new connector. The truck is 18 years old now so I suppose that's possible. Any ideas friends?
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