Electrical and starting issues after trailer wiring problem
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Electrical and starting issues after trailer wiring problem
So my 2012 is basically dead. I was working on getting my trailer lights working and all of a sudden the truck started beeping and the problems began. I was testing the ground wire and left turn signal or brake lights. only at the rear of the trailer using a flat four plug. I never touched the truck's wiring. Now it won't start and only clicks or nothing at all. Battery is fully charged and I checked most every fuse and tested every relay I thought appropriate. It flashes, beeps and every time you turn the key it acts differently. You can hear multiple relays clicking in the cab and in the forward fuse panel. It also sometimes will flash the check brake system, hill descent control fault and the service advancetrac in that order along with other various lights. However, not every time. I also put an Elm327 on it and showed no codes.
I hope this is enough info. I was suppose to leave on a two week vacation with my wife with our "new to me Raptor" in two days. I am freaking out and may have blown this trip that was planned months ago.
Please help. I will have to tow it in the morning to a dealer if I can't fix it.
Please help. I will have to tow it in the morning to a dealer if I can't fix it.
I hope this is enough info. I was suppose to leave on a two week vacation with my wife with our "new to me Raptor" in two days. I am freaking out and may have blown this trip that was planned months ago.
Please help. I will have to tow it in the morning to a dealer if I can't fix it.
Please help. I will have to tow it in the morning to a dealer if I can't fix it.
Thread Starter
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New User
Joined: Jun 2021
Posts: 3
Likes: 0
So my 2012 is basically dead. I was working on getting my trailer lights working and all of a sudden the truck started beeping and the problems began. I was testing the ground wire and left turn signal or brake lights. only at the rear of the trailer using a flat four plug. I never touched the truck's wiring. Now it won't start and only clicks or nothing at all. Battery is fully charged and I checked most every fuse and tested every relay I thought appropriate. It flashes, beeps and every time you turn the key it acts differently. You can hear multiple relays clicking in the cab and in the forward fuse panel. It also sometimes will flash the check brake system, hill descent control fault and the service advancetrac in that order along with other various lights. However, not every time. I also put an Elm327 on it and showed no codes.
I hope this is enough info. I was suppose to leave on a two week vacation with my wife with our "new to me Raptor" in two days. I am freaking out and may have blown this trip that was planned months ago.
Please help. I will have to tow it in the morning to a dealer if I can't fix it.
Please help. I will have to tow it in the morning to a dealer if I can't fix it.
Video
I hope this is enough info. I was suppose to leave on a two week vacation with my wife with our "new to me Raptor" in two days. I am freaking out and may have blown this trip that was planned months ago.
Please help. I will have to tow it in the morning to a dealer if I can't fix it.
Please help. I will have to tow it in the morning to a dealer if I can't fix it.
Video
More Turbo
Joined: Jun 2014
Posts: 719
Likes: 92
From: Asheboro, NC
Electronics is some goofy stuff sometimes. If it says "12 volts" it means 12, not 11.7. You'd think that would be good enough but sometimes it's not. And then all kinds of what I call "unrelated stoopit *****" starts happening. Most of it is random and non-repeating so you'll find yourself going around and around chasing electrical gremlins.
So, for your trip, have you considered taking along a well charged jump box or lithium charge pack? I carried an AntiGravity brand lithium on my bike when I was going through the same thing. That little thing was really impressive. I used it for jumping off 4 cyl's all the time and an 8 cyl F150 one time (not mine). I'm thinking maybe you should swing by AutoZone or O'Reilly's or wherever, just for the peace of mind of having it.
Have fun in the Keys! It's been a long time since I've been there, 2009 I think. Send me a XL tee shirt!
So, for your trip, have you considered taking along a well charged jump box or lithium charge pack? I carried an AntiGravity brand lithium on my bike when I was going through the same thing. That little thing was really impressive. I used it for jumping off 4 cyl's all the time and an 8 cyl F150 one time (not mine). I'm thinking maybe you should swing by AutoZone or O'Reilly's or wherever, just for the peace of mind of having it.
Have fun in the Keys! It's been a long time since I've been there, 2009 I think. Send me a XL tee shirt!
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Good idea! It really was crazy. I thought a computer module got fried or something.
Thanks for the suggestions.
Thanks for the suggestions.
Electronics is some goofy stuff sometimes. If it says "12 volts" it means 12, not 11.7. You'd think that would be good enough but sometimes it's not. And then all kinds of what I call "unrelated stoopit *****" starts happening. Most of it is random and non-repeating so you'll find yourself going around and around chasing electrical gremlins.
So, for your trip, have you considered taking along a well charged jump box or lithium charge pack? I carried an AntiGravity brand lithium on my bike when I was going through the same thing. That little thing was really impressive. I used it for jumping off 4 cyl's all the time and an 8 cyl F150 one time (not mine). I'm thinking maybe you should swing by AutoZone or O'Reilly's or wherever, just for the peace of mind of having it.
Have fun in the Keys! It's been a long time since I've been there, 2009 I think. Send me a XL tee shirt!
So, for your trip, have you considered taking along a well charged jump box or lithium charge pack? I carried an AntiGravity brand lithium on my bike when I was going through the same thing. That little thing was really impressive. I used it for jumping off 4 cyl's all the time and an 8 cyl F150 one time (not mine). I'm thinking maybe you should swing by AutoZone or O'Reilly's or wherever, just for the peace of mind of having it.
Have fun in the Keys! It's been a long time since I've been there, 2009 I think. Send me a XL tee shirt!
Fleet Owner
Joined: Jan 2004
Posts: 26,007
Likes: 575
From: Brentwood,CA
A battery with a standing voltage of 11.7 volts is 30% charged, it's also a sure sign of a bad battery. These trucks need 11.6 volts while cranking to prevent issues. As you have discovered the smart junction box shutdown.
Tuned
Joined: Apr 2001
Posts: 467
Likes: 25
From: Central Callifornia
Electronics is some goofy stuff sometimes. If it says "12 volts" it means 12, not 11.7. You'd think that would be good enough but sometimes it's not. And then all kinds of what I call "unrelated stoopit *****" starts happening. Most of it is random and non-repeating so you'll find yourself going around and around chasing electrical gremlins.
So, for your trip, have you considered taking along a well charged jump box or lithium charge pack? I carried an AntiGravity brand lithium on my bike when I was going through the same thing. That little thing was really impressive. I used it for jumping off 4 cyl's all the time and an 8 cyl F150 one time (not mine). I'm thinking maybe you should swing by AutoZone or O'Reilly's or wherever, just for the peace of mind of having it.
Have fun in the Keys! It's been a long time since I've been there, 2009 I think. Send me a XL tee shirt!
So, for your trip, have you considered taking along a well charged jump box or lithium charge pack? I carried an AntiGravity brand lithium on my bike when I was going through the same thing. That little thing was really impressive. I used it for jumping off 4 cyl's all the time and an 8 cyl F150 one time (not mine). I'm thinking maybe you should swing by AutoZone or O'Reilly's or wherever, just for the peace of mind of having it.
Have fun in the Keys! It's been a long time since I've been there, 2009 I think. Send me a XL tee shirt!
Ditto on carrying that portable jump starter. I've jumped my own F150 and a few other vehicles.
If for no better reason than peace of mind especially during a road trip.
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