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post #1 of 11 Old 01-20-2013, 11:18 AM Thread Starter
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Question No power to tow hookup

I just got my F250 this past Friday. I hooked it up to a trail yesterday afternoon, an had no lights. No brake, no turn, no running. There is a camper hook up in the bed, I need to see if that one works. Is there a fuse or anything that could have blow, which would cause no power to my 7 way? I should test the 4 way while I am at it.


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2006 F250 Amarillo 4x4 CCLB - 194,xxx
SCT Livewire TS - Tunes from Vivian (Eco, Tow, Tow w/ JB, Looney)
B&W Flip over Goose neck / B&W Tow & Stow
Leveling Kit - Wildpeak AT 325/60R18
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Garrett Powermax Turbo
DC Power Engineering 185amp Alt.
LED Interior lights, Reverse, and LicPlate.

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post #2 of 11 Old 01-20-2013, 03:24 PM
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There is a trailer brake controler a couple of fuses and 2 relays in that circuit.
Also be shure you have a good ground between truck and trailer. Check all wireing to the back and the connectors for corrosion.


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post #3 of 11 Old 01-20-2013, 06:18 PM
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No power to tow hookup

Test and or replace fuses and relays related to trailer tow and battery charge. check your owners manual for the fuse locations. After Use a multimeter to test your connection on the back of ur truck. If still you got nada, then start following wires... The trailer tow wiring is pretty simple. Haynes manuals have diagrams for them as well good luck


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post #4 of 11 Old 01-21-2013, 03:24 PM Thread Starter
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Thanks guys, Ill be checking all the fuses and relays tonight at work. If nothing, Ill take it back to the dealership this weekend and make them fix it. I did check my bed plug, an seemed to have nothing there either.


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2006 F250 Amarillo 4x4 CCLB - 194,xxx
SCT Livewire TS - Tunes from Vivian (Eco, Tow, Tow w/ JB, Looney)
B&W Flip over Goose neck / B&W Tow & Stow
Leveling Kit - Wildpeak AT 325/60R18
Sinister Diesel Coolant Filter
Garrett Powermax Turbo
DC Power Engineering 185amp Alt.
LED Interior lights, Reverse, and LicPlate.

Planned:
BDS 6"
LED Light upgrades
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post #5 of 11 Old 01-21-2013, 03:57 PM
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In the front on the drivers side is a black fuse box. Put your turn signals on and see if the 2 blue relays are ticking. Mine were but they didn't send a strong enough signal to the trailer. They are a 5 prong relay. Hope this helps. It took me 3 days to figure this out.

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post #6 of 11 Old 01-22-2013, 02:59 PM Thread Starter
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Quote:
Originally Posted by billieg View Post
In the front on the drivers side is a black fuse box. Put your turn signals on and see if the 2 blue relays are ticking. Mine were but they didn't send a strong enough signal to the trailer. They are a 5 prong relay. Hope this helps. It took me 3 days to figure this out.
Thank you Ill check that out now. If no ticking, would it need replaced? I know my turn signals and hazards work. Just nothing to the trailer.


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2006 F250 Amarillo 4x4 CCLB - 194,xxx
SCT Livewire TS - Tunes from Vivian (Eco, Tow, Tow w/ JB, Looney)
B&W Flip over Goose neck / B&W Tow & Stow
Leveling Kit - Wildpeak AT 325/60R18
Sinister Diesel Coolant Filter
Garrett Powermax Turbo
DC Power Engineering 185amp Alt.
LED Interior lights, Reverse, and LicPlate.

Planned:
BDS 6"
LED Light upgrades
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post #7 of 11 Old 01-22-2013, 03:10 PM Thread Starter
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I have ticking, I pulled them out an put them back, they seem kind of new. But they are also black not blue, could they be the wrong relay?


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2006 F250 Amarillo 4x4 CCLB - 194,xxx
SCT Livewire TS - Tunes from Vivian (Eco, Tow, Tow w/ JB, Looney)
B&W Flip over Goose neck / B&W Tow & Stow
Leveling Kit - Wildpeak AT 325/60R18
Sinister Diesel Coolant Filter
Garrett Powermax Turbo
DC Power Engineering 185amp Alt.
LED Interior lights, Reverse, and LicPlate.

Planned:
BDS 6"
LED Light upgrades
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post #8 of 11 Old 01-24-2013, 02:04 PM
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Mine ticked too but both didn't have enough power to work the trailer. Are you getting anything at the 7 pin? If not then you need to follow the wires from the 7 pin back. You can pull out the 7 pin with 2 snaps and check for current. If you have current then buy a new 7 pin.

2007 F-350 dually/diesel, Banks inter cooler, High rise intake and down tube, EGR delete, Turbo back 5" exhaust, Blue spring, 6.4 banjo bolts, coolant filter, Scan gauge II. Pulling a 40' tri axle 5th wheel toy hauler with a custom Harley in it. 70' overall
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post #9 of 11 Old 01-24-2013, 02:57 PM Thread Starter
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I am taking it back to the dealship tomorrow, as I have horses I need to haul this weekend. Hopefully it wont take them to long.


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2006 F250 Amarillo 4x4 CCLB - 194,xxx
SCT Livewire TS - Tunes from Vivian (Eco, Tow, Tow w/ JB, Looney)
B&W Flip over Goose neck / B&W Tow & Stow
Leveling Kit - Wildpeak AT 325/60R18
Sinister Diesel Coolant Filter
Garrett Powermax Turbo
DC Power Engineering 185amp Alt.
LED Interior lights, Reverse, and LicPlate.

Planned:
BDS 6"
LED Light upgrades
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post #10 of 11 Old 01-24-2013, 03:05 PM
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my fuse was blown when i purchased mine i replaced the fuse and i was good to go.

07 F250-SOLD

2011 Black CC SB Lariat F250, 2015 Retrofit, MPD IC Piping, H&S Mini Maxx, 5"Flo-pro Exhaust, Sininster Egr Delete, Recon Smoked Lights, No Limit S2 Intake, 20% Tint, BDS 8" 4-Link Lift w/ Fox Shocks & Dual Steering Stabilizer, Toyo MT's, 2-Piece Fuel Maverick 22x12 Wheels, PTM Grille Surround, T REX X-Metal Grille, super bright leds 6500K heads and fogs, kenwood double din, 4 hertz 210W door speakers 2 JL TW3 10s kenwood amps.

Thanks to bigblack for selling me his truck
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