Question about 2009 Dodge Grand Caravan

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4 pin connector on my 09 caravan shows no power to any of the 3 light pins. This worked last time I used the trailer 6 months ago but now...........nada.

Tested 4 pin connector pin for lights. Trailer not connected.

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I also had the same problem with my 2008 grand caravan. It turned out to be a bad ground wire. A real difficult thing to find. You just might want to replace all of the wires or better still replace the entire harness it will save you a lot of trouble

Posted on Nov 29, 2014

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Posted on Jan 02, 2017

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Mike258
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SOURCE: No trailer right turn signal or brake light

Hey Boon,

The pinouts for a 7-way plug are as follows:
Seven wire Trailer plugs:

Horse, stock or utility trailers:

White = Ground - 1
Blue = Electric Brakes - 2
Brown = Tail and clearance lights - 3
Black = Battery, aux power - 4
Yellow = Left turn/Brake - 5
Green = Right turn Brake - 6
Orange or Purple (not both) = Auxilliary or Reverse - 7

Recreational Vehicle:
White = Ground - 1
Blue = Electric Brakes - 2
Green = Tail and clearance lights - 3
Black = Battery, aux power - 4
Red = Left turn/Brake - 5
Brown = Right turn Brake - 6
Yellow = Auxilliary or Reverse - 7

In both cases 4 is battery and 7 is reverse, aux or not used.

Double check your wiring using these lists as a reference.

Click here for my post on Trailer wiring

This should get us closer to the answer.

Best regards,
Mike

Posted on Sep 09, 2009

  • 7353 Answers

SOURCE: electrical towing wiring problem on Grand Caravan 2006

Well the BEST way to fix that is take the Van AND Trailer to the dealer and make them check it over and get it working. Sounds like they screwed up., and are trying to blame the trailer. The 4 pins are easy to check Running lights, Left turn, Right turn and Ground. I suspect the 7 pin is wired wrong. I dont know why they put a 7 pin wiring plug on? Those are used for largeer trailers that need a battery feed and electric brakes

Posted on Dec 16, 2009

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1 Answer

The tail lights on my 2006 dodge grand caravan don't work. Yet all the other lights do. I have replaced the light switch on dash but it did not fix the problem. Any ideas what could be wrong?


Get the wiring standard for trailer socket on car / caravan .
Something like this
http://www.caravantalk.co.uk/caravan-advice/new-to-caravanning/electrics-guide/12-volt-systems
Then get a 12v probe and test the voltage is coming out the correct pins on the car when the tail lights are turned on.
http://www.amazon.com/6-36V-Circuit-Test-Probe-Indicator/dp/B0065R1CK4
Check the Earth Connections on the caravans tail lights.
Check the Caravan has an earth connection to the car body.
https://caravanchronicles.files.wordpress.com/2012/01/caravanchronicles-wiring1.jpg
see how pin 3 shows an earth wire it would have a wire on car socket pin 3 going to the car body. If the earth wire is corroded or broken I think the tail lights on the caravan would not work. It may be a different pin on your setup .

Feb 12, 2015 | 2006 Dodge Grand Caravan

Tip

Trailer Wiring Standards (Color Codes/Plug Marks)


Hello all,

For those of you that have or occasionally borrow trailers and look at the wiring plugs with disdain (I mean face it they don't make sense, ground is white, +12vdc is black, etc), this is for you.

This will show you how to wire trailers with seven, six and four pin connectors

Plug Types/Application
7 Way - RV Trailers, Horse and Utility Trailers
6 Way - Horse, Stock and Utility
4 Way - Utility Trailers

Columns are: Color, Function, Mark on the plug.

Seven wire Trailer plugs (Large trailers with a battery and electric brakes):

Horse, stock or utility trailers:

White = Ground - 1
Blue = Electric Brakes - 2
Brown = Tail and clearance lights - 3
Black = Battery, aux power - 4
Yellow = Left turn/Brake - 5
Green = Right turn Brake - 6
Orange or Purple (not both) = Auxilliary or Reverse - 7

Recreational Vehicle:
White = Ground - 1
Blue = Electric Brakes - 2
Green = Tail and clearance lights - 3
Black = Battery, aux power - 4
Red = Left turn/Brake - 5
Brown = Right turn Brake - 6
Yellow = Auxilliary or Reverse - 7


Six wire trailer plugs:

Horse, stock or utility trailers:
White = Ground - GD
Yellow = Left turn/Brake -LT
Green = Right turn Brake -RT
Brown = Tail and clearance lights - TM
Red or Black (not both) = Battery, aux power - A
Blue = Electric Brakes - S

Recreational Vehicle: (color, use, plug mark)
White = Ground - GD
Yellow = Not used -
Brown = Right turn Brake - RT
Green = Tail and clearance lights -TM
Black = Battery, aux power - A
Red = Left turn/Brake - LT
Blue = Electric Brakes - S


Four wire plugs:
White = Ground
Yellow = Left turn/Brake
Green = Right turn Brake
Brown = Tail and clearance lights


Ground should be 10ga.
Others 14 ga

Best regards
Mike

on Sep 09, 2009 | 2004 Dodge Ram 2500

1 Answer

7 pin connector trailer back up light no voltage


Pull one of your tailights on truck, and find wire to back-up on it, then run jumper down to 7 pin plug. Might save a lot of trouble/time.

Mar 10, 2012 | 2002 Chevrolet Silverado 1500

1 Answer

Instructions for wiring a moving trailer connector


accessconnect_logo.jpg


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

2 Answers

My ABS light and check engine light comes on and


You could check a couple of things. There are a couple of connectors in the back of the instrument cluster, check for connection. Maybe a bad ground.

The Gen II caravans had other bizarre issues with the BCM. Chrysler did issue some TSBs concerning some of the. Some would include the HVAC controls not working, the wipers not working or doing whatever they want to, no horn, and other things that may make you believe that your car is possessed, as I have come to suspect. The BCM also controls the instrument cluster and can do some bizarre things there as well.

Mar 15, 2010 | 1998 Dodge Caravan

1 Answer

Electrical towing wiring problem on Grand Caravan 2006


Well the BEST way to fix that is take the Van AND Trailer to the dealer and make them check it over and get it working. Sounds like they screwed up., and are trying to blame the trailer. The 4 pins are easy to check Running lights, Left turn, Right turn and Ground. I suspect the 7 pin is wired wrong. I dont know why they put a 7 pin wiring plug on? Those are used for largeer trailers that need a battery feed and electric brakes

Dec 16, 2009 | 2006 Dodge Grand Caravan

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

4 Answers

No trailer right turn signal or brake light


Hey Boon,

The pinouts for a 7-way plug are as follows:
Seven wire Trailer plugs:

Horse, stock or utility trailers:

White = Ground - 1
Blue = Electric Brakes - 2
Brown = Tail and clearance lights - 3
Black = Battery, aux power - 4
Yellow = Left turn/Brake - 5
Green = Right turn Brake - 6
Orange or Purple (not both) = Auxilliary or Reverse - 7

Recreational Vehicle:
White = Ground - 1
Blue = Electric Brakes - 2
Green = Tail and clearance lights - 3
Black = Battery, aux power - 4
Red = Left turn/Brake - 5
Brown = Right turn Brake - 6
Yellow = Auxilliary or Reverse - 7

In both cases 4 is battery and 7 is reverse, aux or not used.

Double check your wiring using these lists as a reference.

Click here for my post on Trailer wiring

This should get us closer to the answer.

Best regards,
Mike

Sep 08, 2009 | 2004 Dodge Ram 2500

2 Answers

I'm just about to have a towbar fitted on a new car for a caravan. I am unsure whether to have a 13-pin socket fitted, as up till now our old caravan and car had just the 7-pin sort for the tailboard and...


Saves having to use a supplementary socket
01 Yellow Left Indicator
02 Blue Fog light
03 White Earth (35amp)
04 Green Right Indicator
05 Brown Right Side Light
06 Red Brake Lights
07 Black Left Side Light
08 Yellow Reversing Light
09 Green Permanent live
10 Blue Ignition live
11 Red Earth (35amp)
12 Black Coupled Trailers
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1 Answer

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I took the vehicle to Bosch, an electrical expert in Germany.

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