To install a brake controller in your 2002 Jeep Grand Cherokee with a 7-way will require you to connect the blue wire of the controller to the blue wire you found. That will connect the brake controller to the 7-way. You will need the part #5506 to…
That's a very good question, we tend to be extra cautious and say to use 10 gauge wire because that would be more than enough. When you get into longer trailers that will end up using a lot of wire the heavier gauge wire becomes more necessary.…
I think you are going in the right direction. I would definitely replace the 14 gauge wire going to the trailer brake magnets with 10 gauge wire or larger. Usually larger than 10 gauge is hard to get into the trailer connector though. I would also…
If you just need a 4-pin to 7-pin trailer wiring adapter, then you can use part #C57672. This will plug into the 4-pin trailer connector on your brother's vehicle and give him the 7-pin socket for the trailer. Keep in mind, this will only give…
You do indeed have a 12 inch rim. When you measure the diameter of the wheel, you'll need to measure the diameter of he wheel where the tire bead meets the wheel. I've provided you a cutaway diagram of a wheel showing where the measurement…
The first thing you need to flat tow your 2021 Jeep Grand Cherokee L Overland is a base plate kit like the Roadmaster part #RM77ZR which is a confirmed fit. In addition to the base plates, you will also need a compatible tow bar, safety cables,…
In order to determine the correct replacement light bulb for the isle light in your 2008 Forest River Berkshire Motorhome, I would need to know the bulb type and size. In order to find the bulb type and size you will need to remove the plastic cover…
According to my research, if your Grand Cherokee has a manual transfer case with a Neutral position, it can be flat towed, unless it has the Quadra Trac I 4 wheel drive system. There is a specific procedure that must be followed, which is outlined in…
The difference between the Class II and Class III hitches has to do with their Gross Trailer Weight (GTW), their Tongue Weight (TW), and their Hitch Receiver Size. Class II trailer hitch receivers have a 1-1/4 inch receiver and can be rated up to…
The OEM prep package consists of 4 "pucks" in the bed of the truck that will allow you to drop in puck style hitches for easy installation and removal, that gives you a completely clear bed when not in use. The B&W Companion OEM 5th…
I've done some research on some online forums, and have seen lots of contradictory information. Some say the line that enters the top of the radiator is the return, and others say the one that enters at the bottom. Everybody seems to agree that…
I'd be happy to help! To figure out if new modern brakes will work on your vintage Airstream you'll need to figure out which size your brakes are. Based on your picture it looks like you have a 5 bolt mounting flange similar to what #AKEBRK-6…