Question about Mercedes-Benz E320

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How would I connect a trailer harness to an E320 wagon (1999). What color wires are brake/turn and what color are lights?

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Blue with white line will be the left turn and a green ar yellow is the right. brake is orange and the run lights should be red.

Posted on Jul 14, 2009

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How to install a harness for trailer lights on a 1993 honda accord station wagon


The SIMPLE way to do it is...

You can buy replacement taillight bulbs with wiring pigtail wiring hanging out of the side of the bulb. You'd use them to replace your existing taillight bulbs and connect your trailer harness to the pigtail wires. You may need to drill through the taillight housing to get the harness wiring in to the bulbs - if you have to do that, seal it back up around the wiring with RTV silicone.

That's a lot easier than tracking down each wire, probing it to find out what it does, and splicing into it with pinch splices (which aren't very reliable), then periodically replacing the pinch splices that've gone bad and made your trailer lights fail. You can make a pretty good splice to the pigtailed taillight bulbs, and it's really easy to tell what each pigtail does - brake/turn or park light.

Jul 31, 2014 | 1993 Honda Accord

2 Answers

Trailer light hook-up


If this DeVille is trailer-ready, there is a trailer harness fuse box with 10A fuses for tail lights (PPL wire), left turn/stop/tail lights (YEL wire), and right turn/stop/tail lights (DK GRN wire

Oct 16, 2012 | 2001 Cadillac DeVille

2 Answers

2004 Chrys Concorde, new utility trailer, tail light converter. Problem: There is output from conv box in yellow wire, when turn signal is on, but when it is connected to the trailer harness, no output...


Your vehicle CANNOT be wired for a trailer without using the converter box. The only vehicles that do not require a converter box are the vehicles that use the stop lamp bulb as a turn signal. Your vehicle is equipped with SEPARATE stop lamp and turn signal bulbs.

To make the converter box work correctly, it must be wired according to the instructions to BOTH the stop lamps AND the turn lamps. The tail (or PARK) lamps DO NOT go through the converter box.
Your trailer uses the SAME bulb for stop and turn - THIS is the reason you need a converter.

The wire color for both your LEFT TURN and your RIGHT TURN are LIGHT GREEN/TAN. Although the wire colors are the same at the bulb sockets, these are SEPARATE circuits and must be wired to the correct wire at the converter box. (LEFT and RIGHT) The converter box will have an INPUT connection for EACH of these.

The wire color for your STOP lamps is WHITE/TAN. The converter box should only have one INPUT wire that connects to this. It doesn't matter which side of the vehicle you connect this wire to. All of the stop lamps are on the same circuit.

The converter will then have only one wire for LEFT turn and stop (usually YELLOW) this is the wire that needs to go to your trailer connector for left turn and stop.
The RIGHT turn and stop will most likely be GREEN coming out of the converter.

Sep 05, 2011 | Chrysler Concorde Cars & Trucks

1 Answer

Have issues with trailer lights. Both turn signals on trailer flash when I use left or right turn signal. Have 7 pin factory plug. Lights on trailer work fine, hooked up to 97 Silverado. Act funny on 2000...


Standard wiring colors are as follows:

4-Way

5-Way

6-Way

7-Way

Green

Yellow

Brown

White

Red

Blue

Purple

Right Turn & Brake

Left Turn & Brake

Tail Lights

Ground

Backup Lights

Electric Brakes

Auxiliary Power
Green- Right Turn and Brake
Yellow- Left Turn and Brake
Brown- Tail Lights
White- Ground
Red- Reverse (Back Up) Lights
Blue- Electric Brakes
Purple- Auxiliary Power

It sounds like your green and yello wires are shorted together somewhere along the length of the harness. I would check the wires on the trailer first. Easier yet, if you have another trailer to connec or access to another to use for testing, connect to it and see if the problem repeats; if it does the trouble is in the vehicle's wiring.

Jun 26, 2011 | 2001 GMC Jimmy

1 Answer

I have purchased a wiring harness that plugs into the factory connections. I am able to get brake lights and turn signals. The running lights do not work, also when the running lights are on the brake...


Check this location. They have color codes and wiring diagrams. Make sure the trailer has a good ground. It MUST have the ground wire connected to the truck and trailer or you will have a floating ground through the ball. That will cause blown fuses. http://www.etrailer.com/faq-wiring.aspx

Dec 20, 2010 | 1987 Toyota Pickup

1 Answer

Does anybody know how to wire a towbar wiring unit to a ford escort 1999?


Wiring the vehicle for towing is fairly easy. There are a number of good wiring kits available and these should be used, rather than trying to design your own.

All trailers will need brake lights and turn signals as well as tail lights and side marker lights. Most areas require extra marker lights for overwide trailers. Also, most areas have recently required back-up lights for trailers, and most trailer manufacturers have been building trailers with back-up lights for several years.

Additionally, some Class I, most Class II and just about all Class III and IV trailers will have electric brakes. Add to this number an accessories wire, to operate trailer internal equipment or to charge the trailer's battery, and you can have as many as seven wires in the harness.

Determine the equipment on your trailer and buy the wiring kit necessary. The kit will contain all the wires needed, plus a plug adapter set which includes the female plug, mounted on the bumper or hitch, and the male plug, wired into, or plugged into the trailer harness.

When installing the kit, follow the manufacturer's instructions. The color coding of the wires is usually standard throughout the industry. One point to note: some domestic vehicles, and most imported vehicles, have separate turn signals. On most domestic vehicles, the brake lights and rear turn signals operate with the same bulb. For those vehicles without separate turn signals, you can purchase an isolation unit so that the brake lights won't blink whenever the turn signals are operated.
One, final point, the best kits are those with a spring loaded cover on the vehicle mounted socket. This cover prevents dirt and moisture from corroding the terminals. Never let the vehicle socket hang loosely; always mount it securely to the bumper or hitch.

You can check HERE details about this part for Escort and any "graphics".

Hope help.

May 21, 2010 | 1999 Ford Escort

1 Answer

1999 Honda Accord LX sedan trailer harness install help


The Running Lights are BROWN, the RIGHT Turn is GREEN, the LEFT Turn is YELLOW and White is GROUND.

Nov 11, 2009 | 1999 Honda Accord

2 Answers

Wiring towbar for t25 volkswagen


Hi Paul,

This should help,

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
:

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
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

Sep 15, 2009 | 1986 Volkswagen Wagon Camper

2 Answers

Pressing brake causing blinker issue


The trailer harness that was installed probably has a short inside the box that distributes power to the trailer pig-tail. Remove the trailer harness. You problem will be cured.

Jan 27, 2009 | 1999 Toyota 4Runner

1 Answer

1999 chevy tahoe 5 wire trailer wires, what does each color do?


Yellow is the left turn signal, White is ground, Dark Green is the right turn signal, Brown is the running lights and brake light, the others are for the electric brake set up for the trailer.

Sep 14, 2008 | 1999 Chevrolet Tahoe

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