What to Know About the Hook Probe Circuit Tester Video

The problem is that on your 2007 Chevy Tahoe, the turn signals on the vehicle are on a separate circuit than the brake lights. Trailers use a combined stop and turn circuit. When trailer wiring is added to a vehicle, vehicles with separate turn and…

Either way is correct. It depends on if you want to keep the semi-style 7-Way (if you need to tow that type of trailer) or if you will never be towing a semi-trailer. If you need to keep the 7-Way semi active on the truck, then you would need to make…

It is likely the result of a bad ground, but in order to determine the specific problem you'll need to use a circuit tester such as #PTW2993 to test the connector on your Silverado after disconnecting it from your trailer. Check the wiring going…

The trailer brakes work on a separate circuit than the lights. You have a couple of options to control the electric brakes on the trailer. One option is to use an air over electric brake control, #HA100400C. This unit connects to the air brakes on…

Without knowing the year, make and model of the vehicle, I can't really provide any specifics but I can provide you some general things to check. The first thing you'll want to do is determine if the problem is in the vehicle or the trailer…

There should be two fuses in the electrical panel under the hood of your Dodge Pickup for the trailer wiring. Check those again and you may find that is the problem. If all of the fuses are good then I would use a circuit tester, item #PTW2993, to…

The king pin dimensions can be the same between fifth wheel trailers and large commercial trailers. Both types of trailers often use a standard 2 inch king pin although semis sometimes have a 3-1/2 inch. As long as your truck fits a 2 inch king pin…

It's a wire color difference but not a function difference on the pins of the 7-way. The difference comes from the fact that the two different styles are representative of two different areas that uses trailers. Traditional is usually seen on…

The only difference between 7-Way Utility and 7-Way RV is the color of the wires. The pin outs are the exact same so either would work just fine with the other. If you check out the picture I attached you'll see that the functions are all the…

The Prodigy P3 part #90195 will work for you because your trailer has electric brakes. The P3 can install and work just fine on vehicles with air brakes. The only thing it needs from the vehicle is access to a circuit that only sees voltage when the…

The first thing I recommend doing is to check that the ground wire for the lights is securely attached to a clean metal surface on the trailer frame. A loose ground wire will keep the lights from working. If the ground attached to the trailer does…

You certainly can! Installing a brake controller is fairly easy if you are familiar with running wiring. To install a brake controller like the popular Tekonsha Prodigy P3 #90195 you will need to run the wires on the pigtail to the following…