My trailer lights are not working right. Ground is not working. I replace the breaker in the box under the hood but it did not fix it. Are these round plug ins known to go bad? I have a 2007 F150 XL 4.6L.
I have seen two other trucks where the plug was bypassed and a regular trailer plug was used.

 

A friend of mine lit a cigar in my truck the other day. I made him get rid of it but I can still smell it. What is the best way to get rid of the odor? Thanks.

 

Get new non smoking friends.

 

What is a "regular" trailer plug? the trucks that have a factery installed tow package useualy have a 7 pin round RV style plug and a 4 pin flat utillity trailer style plug. other aps may have a4/5/6/7 pin round or a 5 pin flat or 4pin square plug these are all regular plugs then you get into UHAUL nothing regular there.It doesnt mater what type you use so long as there are enough conecters for all the systems on the trailer and the plug and recepticle match so you can mount any type you want but there is a standard wireing system you must use if you want to pull multple trailers that have standard wireing. the 7pin RV style is pretty muuch the industry standard for newer trucks and trailers.

 

On the wiring issue:
First, you need to ensure the wiring on the trailer is in good shape. Do the lights use two leads or one? If they use two, then they go to a common circuit ground that probably ends up being the negative pin on your round connector. If they just use one, then they are using the frame as ground and all you need to supply is 12 VDC to each lamp as required. The "bypass" you have seen is simply somebody connecting a trailer with a flat connector, probably a four or five pin connector. If your trailer has a round connector, your problem might be corrosion on the pins. Plug it in and unplug it several times to "scratch" through any corrosion that might be present. You can physically inspect the pins to ensure they are not bent and make good contact.
As for your rude cigar smoking friend, a liberal application of Fabreeze will help a lot.