Question about 2008 Ford F 250 Super Duty 4WD

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Was connecting flat 4 wire connector to truck, accidentally touched hot wire to metal. Now i dont have any power coming to trailer plug on truck. 2008 ford f250 superduty

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Usually a short will be corrected by replacing the burnt out fuse. However, I have also found that the earth wire fails when something like this happens, For peace of mind, check the connections behind the plug to ensure tight fit and spray with some WD40. good luck.

Posted on Nov 19, 2009

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When I tow with my car the left blinker doesn't work on the trailer. There is a 7 pin round plug on the car, with a flat adapter to the flat pin on the trailer. I have had the same problem with at...


Hello Carol, The 7 way is for use with a brake controller and/or a trailer that has electric brakes. The 4 way flat is a basic trailer plug connector.
Connect as follows:
Green wire- Connects to the vehicles right turn wire harness & provides brake light and right turn signal on trailer.

Yellow wire- Connects to vehicles left turn wire & powers brake light & Left turn signal on trailer

White wire- Ground

Brown Wire- Tail/ marker/ license plate lights

The Blue, Red & Purple wires on the 7 way will not be used on the adapter, those are for brakes.

I hope this information is helpful.

mr_brokrench_4.jpg

Sep 18, 2011 | Honda Accord Cars & Trucks

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Instructions for wiring a moving trailer connector


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Trailer Wiring Diagrams 4 Way Systems

4 way flat molded connectors allow basic hookup for three lighting functions; right turn signal / stop light (green), left turn signal / stop light (yellow), taillight / license / side marker (brown) and a ground (white).

4%20way%20wiring.jpg 4way_vehicle.jpg 4 way tow vehicle side.
4way_trailer.jpg 4 way trailer side.
5 Way Systems

Same as 4 way system listed above but adds a extra blue wire for brake signal or auxiliary power. Used on pop up camper trailers or utility / boat trailers.
5way_vehicle.jpg 5 way tow vehicle side.
5way_trailer.jpg 5 way trailer side.
6 Way System, Rectangle Plug 3/4 inch by 1 inch 6 way rectangle connectors right turn signal (green), left turn signal (yellow), taillight (brown), ground (white). The red and blue wire can be used for brake control or auxiliary. Use on a small motorcycle trailer, snowmobile trailer or utility trailer. Can also be used as custom wiring on trailers with 3 light/wire systems. See "Tow Vehicle Taillight Wiring" below.
6way_rectangle_1.jpg 6 way tow vehicle side.
6way_rectangle_2.jpg 6 way trailer side.
6 Way Systems, Round Plug

Round 1 1/4" diameter metal connector allows 1 or 2 additional wiring and lighting functions such as back up lights, auxiliary 12v power or electric brakes. Note: The black (sometimes red) 12v and blue electric brakes wire may need to be reversed to suit the trailer. Check with a test light or VOM. Uses: horse trailer, travel trailers, landscaping trailer, car trailer, etc.


6way_vehicle.jpg 6 way tow vehicle side.
6way_trailer.jpg 6 way trailer side.
7 Way Systems

Round 2" diameter connector allows additional pin for auxiliary 12 volt power or backup lights. Uses: heavy duty landscaping trailer, car trailer, boat trailers, horse trailer, travel trailer, construction trailer, etc. Check with a test light or VOM.


7way_vehicle.jpg 7 way RV flat blade tow vehicle side.
7way_trailer.jpg 7 way RV flat blade trailer side.

Jan 01, 2011 | 2001 Pontiac Montana

1 Answer

Wiring 4 way flat trailer plug. brown wire running


you got brown for running parking light
green for right turn/stop
yellow for left turn/stop
white for ground
reverse lights are only wired on a 6 or 7 plug connector
make sure you on the dark green for right turn stop not the light green
the light green is for reverse

Jun 24, 2010 | 1999 Chevrolet Tahoe

1 Answer

Trailer wiring problem. Tow vehicle is a 2008 Grand Caravan with 4 wire plug. Double checked, plug function works fine. When trailer is plugged to tow vehicle with tow vehicle lights OFF the trailer...


Most likely the brown wire from the trailer connector is connected to a constant battery voltage source, and it should be connected to the vehicle running light circuit, however someone might have wired the trailer connector up that way on purpose so that the trailer does not draw power from the vehicle running lights and possibly damage the vehicle running light circuit. (Dodge/Chrysler vehicles do have delicate lighting systems) Here are some images to help assist you, and the 4 way connector is the same as the 5 way connector just without the blue wire for the trailer brakes.


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Jul 06, 2010 | 2008 Dodge Grand Caravan

2 Answers

On a cherokee sport diesel what colour wire do i connect the white earth return to at the taillight, 2006 model this is from the trailer connection socket


Is this wire a ground wire from the trailer or is this a wire for the trailer? If you are wiring a hook up for your trailer to plug into, that should be a ground wire and can be hooked up to any good solid metal part of the car. This can ground to the body, chassis or bumper. If you are looking for a wire to hook to, then look at your tail light socket and see which wire goes to the metal base of the bulb, that is the ground wire.

Nov 29, 2009 | 1996 Jeep Cherokee Sport

1 Answer

Parking lights on Nissan Frontier on - trailer parking not. 4 pin connector to factory connector (after market sealed wiring) - brake and turn signals work - no power to "brown" wire at factory connector...


First check the fuses. There may be one for trailer running lights. Check also power at the harness. If the brake lights and turn signals are seperate, there has to be a converter from 5 to 4 wire. For the power to feed back to the brake lights it sounds like the vehicle wiring is direct and not using a converter... or one of the bulbs on the trailer is contacting both contacts. Try http://www.etrailer.com/faq-wiring.aspx and maybe get a simple 4 pin tester that plugs into the 4 pin connecter. Hope this helps.

Oct 24, 2009 | 2005 Nissan Pathfinder

2 Answers

I hooked up my trailer lights everything works but my taillight


If you have access to a digital multimeter or test light, check if there is power going to the plug, if there is then maybe the trailer plug and the truck plug dont match up

Jul 16, 2009 | 2001 Ford F150 Styleside SuperCrew

1 Answer

Wiring Trailer hook ups on truck


  • 4 way flat connector
  • brwn-tail lights
  • yellow-left turn
  • green right turns
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  2. brwn tail light
  3. yellow left
  4. green right
  5. white grnd
  6. blue back up for surge brakes
i know of some more kinds but the 4 and 5 flat are the most used on trailers...word!

Mar 26, 2009 | 1982 Ford F 250

1 Answer

Trailer wiring diagram


Either buy an adapter that will go into your existing harness, usually up under, near rear bumper, you pull connector apart & put adapter in line, then you plug new flat4 into it. Otherwise I would pull inside covers of both tailights, use a 12 VDC light tester, and probe wires at right signal for flashing with blinker,and attach Green wire, from flat4 to it. Do same on left side & attach yellow flat 4 to it. Turn off blinkers, and just put your running lights on, Find wire with power on either side when running lights on, and attach brown flat 4 to it. Now find some clean metal in the area and attach white wire (ground) to it. Put inside covers back on & your done.

http://www.etrailer.com/faq_wiring.aspx

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