If there is, then the problem is somewhere from the trailer plug to the lights on the trailer. Try and clean up the positioning reducing wire crossings. We are going to apply it for better future reports. I unplugged the connector to the tail lights at the rear bumper while the head light switch was on and found no voltage. The metal connections can come loose. Don't know why this is. You can check the plug-in at the truck with a multi-meter to see if there's power at that point.
You can also find other images like ford wiring diagram, ford parts diagram, ford replacement parts, ford electrical diagram, ford repair manuals, ford engine diagram, ford engine scheme diagram, ford wiring harness diagram, ford fuse box diagram, ford vacuum diagram, ford timing belt diagram, ford timing chain diagram, ford brakes diagram, ford transmission diagram, and ford engine problems. Make sure you get the information you are looking for. The batteries in the trailer might be drawing on the truck voltage. If just the power lead doesn't work on the I know on the older superdutys the large fuses had to be installed in the fuse box under the hood to make it work. One other thought, have you installed any auxillary lights? If it didn't affect something you could see, how would you know tyhat your tail lights were out?? What type of plug does the truck have? Feb 21, 2010 Do you mean nothing works or just the power lead? If none of the lamps are working then the 15A fuse number 3, the light switch or the park lamp relay could be bad note different contact in the main light switch work the other lights You can find a wiring diagram and component location at and Let us know if you want something more else accept the solution.
Wire scheme 2004 f350 wiring diagram 4x4 including f brakes mpc as well as f furthermore dodge dakota suspension parts diagram genuine ge lower arm bumper furthermore ac vacuum controls also with basic car parts diagram chevy pickup engine exploded throughout chevrolet parts diagram along with qu additionally together with ford f central junction box diagram as well as fordalternator moreover fender furthermore toyota hilux additionally dist wiring diagram f c af a d d ccd e c f e 2004 F350 Wiring Diagram 4x4 Comments and Responses on Wiring diagrams, engine problems, fuse box, electrical diagram, transmission diagram, radiator diagram, exhaust system, suspension diagram. Next is the trailer tow adapter park lamp relay. In addition, you can bookmark this site to you favorite social bookmarking sites. I suspect the problem is in the steering column, if it was just in for repair for the brake switch, I would start by checking the connectors for the steering column under the dash as this is close proximity to where the brake switch would have call home. Please scroll down to view more images. If you have the three-bulb tail lights, use a test light to see if there is power to the tail bulb sockets.
The other thing is with dual batteries which I think you have , if one battery is bad, it could pull down your voltage. . Were very thankful if you leave a comment or suggestions about this 2004 ford f350 tail light wiring diagram post. The relay you are talking about is the park lamp relay which supplies power to the tail lamps, license plate lights and both front and rear park lamps. Follow the directions that came with trailer hitch wiring connector to connect this wire to the proper pin in the connector. Good luck and let me know if I can help.
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Also check the voltage on the truck side with everything hooked up and see if it drops also. Most trailer brake controllers are compatible with this harness. Fuse 5 is the fuse for the parking lamps, and the reversing lamps. If nothing works I would check the ground. It is not uncommon to have voltage drop through a connection, but yours is above normal. Cel phone chargers are famouse for blowing fuses, causing other things not to function. Wiring color code or symbols, wiring harness, radio and audio wiring, circuit diagram, light switch wiring diagram.
In some circuit, voltages add around to all those components attached inside the circuit, and currents are the same through all elements. Be certain that the text placement looks clean. You need to verify for a broken brown wire to the tail lamps assuming the sockets, lamps and grounds on both tail lights are good. You should be getting power to the third brake light in the rear window. Let me know if you have any questions.
How you can download this 2004 ford f350 tail light wiring diagram image? Experience tells me the fault is likely to be simple and perhaps ground-related. Hint, check the fuses 1st. These are circuits that should have little relationship between them. From many choices on the internet we are sure this pic might be a perfect reference for you, and we sincerely hope you are pleased with what we present. It is easy, you can use the save button or put your cursor to the pic and right click then select save as. If you open both tail light boxes in the trunk you will see at the connector on the bottom a yellow wire in the first position. Dont you come here to determine some new unique f150 tail light wiring ideas? I wired mine directly and put a toggle switch under the dash.
We noticed it from reliable resource. My truck tail lights aren't working. Please show this picture for your precious mates, families, community via your social networking such as facebook, google plus, twitter, pinterest, or any other social bookmarking sites. The grey 20 gage fusible link from the battery to the alternator runs the stator coil. Tips to Draw Good-looking Wiring Diagrams, A good wiring diagram must be correct and clear to read. Types of Connection, Usually circuits exceeding two components have two basic varieties of connections: parallel and series. Also, make sure you are getting power inside the tail light bulb holder.
Also a dead battery normally will not fully charge in the normal time span of a trailer being towed as you can typically figure over 6 hours to charge the type of battery deep cycle that is in a trailer. If you do have a blown fuse,check any trailer lighting. Your truck may have this harness built in and would greatly simplify brake controller installation. Not sure what you took a resistance reading from on the trailer tow adapter. If none, check if your cig lighter, chargeing port. Your email address will not be published. Hope this helps, Mike Apr 25, 2009 Hey Paul, it's most likely a wiring problem.