Light wiring help. Hooked up, not working. Fuses blowing. - Ranger-Forums - The Ultimate Ford Ranger Resource


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Old 08-14-2010
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Light wiring help. Hooked up, not working. Fuses blowing.

The past few days I have been wiring up my lights. Stock fogs, a rear-facing work light, and wiring for a set of future fog lights. Everything is hooked up and I followed Matt's wiring guide to a "t" but I had to improvise because I was wiring 3 sets opposed to one.

The lights do not come on. The problem is for sure in the switches. At one point they all the switches lit up like they were on but the lights did not. I have been blowing my 12v DC socket fuse (what the switches are connected to) and all my switch fuses.

I made a diagram of my wiring, it is a little confusing but it makes sense. Just follow the wires. The main thing I am having trouble with is the fuse blows. As you can see the switches are 3 amp fuses and the 12v is a 20 amp. With that setup the 3 amps blow. When I switched to a 15 amp fuse in the switches the 20 amp blew. When I switched to a 30 amp 12v fuse the 15 amp fuses blew. I think the 12v is putting out too much power for the switches.

If I put a 3 amp fuse in the 12v DC fuse socket and put all the switches back to 3 amp fuses will it solve the problem or just fry all of them.

I am an electrical novice. I am lost. None of the fuses to the relays are blowing though. I assume all of that is fine. So essentially I need to know what setup I need to be running for the switches.

THANKS A MILLION FOR ANY HELP. I'M AT A TOTAL LOSS.

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Old 08-14-2010
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UPDATE: I put a 15 amp fuse in my 12v fuse place and put 3 5 amp fuses in my switch fuse holders with all the switches on. When I plugged them in all the indicators lit up (still no lights though), but as soon as I switched them off the fuses blew. Wow.

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Old 08-19-2010
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As far as I can tell , you wired the switches backwards.
Disconnect the ground wire to the switches (it's only used for the indicator inside) and connect to 12v. If that works then rewire as needed.
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Old 08-19-2010
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check how your relays are hooked up as well make sure they are in the right spot, 30 should be to lights 87 your 12v source, then 86 and 85 should be from your switch and a ground.
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Old 08-19-2010
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Quote:
Originally Posted by OTRtech View Post
As far as I can tell , you wired the switches backwards.
Disconnect the ground wire to the switches (it's only used for the indicator inside) and connect to 12v. If that works then rewire as needed.
Yep!! You solved my switch problem. I switched the two connectors on all of them and they are now good to go! They all light up in the on position and no more blown fuses.

Unfortunately my actual lights are still not coming on. I triple checked the relays to make sure they are all connected and I got nothin'. It's the only thing that makes sense. If both sets are coming on either they are getting power, which can't be since they are wired to the battery, they aren't grounded (I re-grounded both sets of lights), or the relays aren't right (I triple checked).

It seems I solved 1/2 of my issue.
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Old 08-19-2010
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Originally Posted by Masteratarms93 View Post
Yep!! You solved my switch problem. I switched the two connectors on all of them and they are now good to go! They all light up in the on position and no more blown fuses.

Unfortunately my actual lights are still not coming on. I triple checked the relays to make sure they are all connected and I got nothin'. It's the only thing that makes sense. If both sets are coming on either they are getting power, which can't be since they are wired to the battery, they aren't grounded (I re-grounded both sets of lights), or the relays aren't right (I triple checked).

It seems I solved 1/2 of my issue.
well at least your getting closer, make sure the lights go to a good ground I had issues with that on my lights.
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Old 08-19-2010
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Yeah, that seems to be one of my issues.

I FINALLY got my main fogs up and running. They look great.

My rear light is still no go.

Plus, 2 of my 3 switch indicators are out, but the switches still work. Like maybe the bulbs went out lol.

I'm gonna get new switches and run thicker wire to the rear light. It's half 12 gauge and half 18 or 16.
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Old 08-21-2010
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https://www.ranger-forums.com/f15/ab...-oh-my-111182/

Got it all figured out. Take a look.
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