Question about 1998 Dodge Ram 1500 4WD

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No dash lights or brake lights

I hooked up my horse trailer to my 1998 dodge ram 3500 diesel truck and at first when I plugged it in the lights on the trailer did not work. I unplugged them and replugged them in and then they worked. Later that night I found that the dash lights and brake lights in my truck were no longer working. Fuses inside and under hood look ok.

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  • Robin Ford
    Robin Ford Jan 12, 2009

    ok, thanks

  • yadayada
    yadayada May 11, 2010

    u better check those fuses again, use a 12 volt test light (avail for around $6) and check both sides of all the fuses for those lights, u have missed something.

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Dodge has problem with headlight switches burning up when towing ,drawing to much current through the switch
should have a relay for trailer markers and taillights

Posted on Feb 06, 2009

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1 Answer

I own a 2012 dodge ram 3500 dually, pulling a 32ft gooseneck trailer. the problem im having is , all lights are working but my trailer brakes will come on and off... took it to the dealer and they said,...


Hi Saddleback,

The brake lights on the trailer has been fitted with new tecknology. As soon as you apply the brakes the trailer brake lights will flash. This is let the cars behind you know that you will stop and they must keep their distance.

Aug 06, 2013 | 2006 Dodge Ram 3500 Truck

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

NO TRAILER AUX. POWER ON 2006 DODGE RAM 3500 DIESEL MANUAL TRANS 2 WHEEL DRIVE CREW CAB DUALLY


if you are trying to hook up your trailer lights, but there is no pigtail .most all trucks now have a harness behind the tag or rear bumper that will come apart and most parts stores sell a device that will go in between the two haves that makes easy work out of hooking the lights in. without cutting wires and the price is not that expensive

Sep 14, 2011 | Dodge Ram 3500 Cars & Trucks

1 Answer

NO REAR OR BRAKE LIGHTS BUT ALL BULBS AND FUSES SEEM OK.


check the Switch under the dash on the brake peddle . it could be stuck or broken get a a wire tie the lights together test for continuity at that switch. check your trailer light hook ups for shorts. If you have a braking power module for towing you may have to replace it or check and make sure it is getting juice.

Apr 07, 2010 | 1998 Dodge Ram 3500 2WD

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Need wirering diagram to hook up trailer lights and elecric break


Also try http://www.etrailer.com/faq-wiring.aspx. They have a great website with lots of info. With the tow package, there should be a plug under the dash... far left above the emerg. brake petal. The harness that plugs into it should have came with the truck, or you can order one to fit it. Did thew truck come with a 7 pin plug on the back? If not you can order one from the above mentioned site. They also have the wiring colors.

Aug 12, 2009 | 2004 Dodge Ram 1500

1 Answer

Where is the turn signal fuse on a 2001 Dodge 3500 diesel truck? I changed the flasher and that didn't fix the problem of no turn signals or four way flashers.


This problem sounds like one I have faced several times on my 2001 diesel Dodge. The culprit has been a fuse under the hood in the fuse panel on the driver's side, up near the steering column. Look through the clear top of the fuses you see, chances are excellent that you will find a green one with the little electrode "popped". This is common when you plug a round trailer plug in upside down, or otherwise ground a powered circuit for the lights through the trailer plug. Simply pull and replace, I keep a couple spares in the glove box because of this problem. Also, if you use the truck to go to the auto parts store, keep in mind that you have no brake lights either. Hope this works for you.

Aug 11, 2009 | 2001 Dodge Ram 3500 Truck

4 Answers

2006 Dodge RAM 3500 - Left turn signal on trailer doesn't work


Well you are not ALONE .....my 06 3500 does the same thing. no left turn or brake lite on towing. would love to know the solution before taking an AXE to it!!! thank you jesse





Jun 06, 2009 | 2004 Dodge Ram 2500

1 Answer

Wiring problems


Hi Charlie

Six wire 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

Ground should be 10ga.
Others 14 ga

Best regards
Mike

Mar 30, 2009 | 2005 Dodge Ram 2500 Truck

1 Answer

Tail lights not working


Do you have dash lights? If not chk. fuse. If you do have dash lights chk. bulbs. if bulbs ok, chk. wires and taillight plug. Does it have a trailer light plug? chk. that too. If all that chks. out ok than you will have to trace the wires from front to rear to find the problem. fuses should be labled on inside fuse cover, inside cab, and under hood same way.

Feb 19, 2009 | 2008 Dodge Ram 3500

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