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How to Determine Which Ball Mount Will Have Enough Rise for Curt Hitch on a 2005 Chrysler 300c  

Question:

Thank you for the response , the information you provided was very helpful. After taking measurements from my trailer I am coming up with 15 3/4 inches to the bottom of my coupler to the ground when the trailer deck is level. So that would be a 5.5 inch rise? I am using a 1 7/8 ball , what ball mount would you suggest to accommodate these height differences still keeping in mind the length needed to clear the bumper?

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Expert Reply:

The best way to determine which ball mount is right for your 2005 Chrysler 300c and your trailer is to take a few simple measurements.

Since you don't have the hitch we can see by the video of the Curt # 13465, I've attached, that the hitch receiver is going to be 10-1/4 inches from the ground. You will then want to take a similar measurement from the bottom of the coupler to the ground. Then compute the difference.

If the hitch height is greater than the trailer height, then
•hitch height - trailer height = drop

If the trailer height is greater than the hitch height, then
•trailer height - hitch height = rise

Let's say that your trailer comes out at exactly 12 inches then 12 minus 10-1/4 = 1-3/4 inch rise is needed.

The next thing we know about your vehicle is that the edge of the bumper is 6-3/4 inches away so you will want to get a long enough ball mount to accommodate that length. The # D-26 measures 12-5/8 inches from the center of the pin hole to the center of the ball hole and 8-1/2 inches from the center of the hitch pin hole to the closest edge of the ball platform. Both of these will work for your vehilce's hitch but will only provide a 3/4 inch rise. If you would like to tell me the height measurement you get from your trailer I would be more than happy to find you a ball mount that will work best. Please include the size ball that will work for your coupler as well, two of the most common sizes are 1-7/8 inch or 2 inch diameter.

The wiring harness I recommend for your vehicle is the # 118404. This will provide you with a 4-way plug to power the brake lights and turn signals on your trailer.

I have linked all the parts mentioned above as well as a couple installation videos and Help Articles for your convenience.

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Jackie C
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Paul

5/5/2016

Thank you for the response , the information you provided was very helpful. After taking measurements from my trailer I am coming up with 15 3/4 inches to the bottom of my coupler to the ground when the trailer deck is level. So that would be a 5.5 inch rise? I am using a 1 7/8 ball , what ball mount would you suggest to accommodate these height differences still keeping in mind the length needed to clear the bumper?

Jackie C.

5/5/2016

Great! Yes you will have a 5-1/2 inch rise needed for this I recommend the Curt 6-1/4 inch rise ball mount # C45100 and a 1-7/8 inch stainless steel ball # C40051. The weight of the trailer on the ball and ball mount will lower the load from the ball mounts height of 6-1/4 inches closer to the 5-1/2 inch height we want for your setup. This ball mount will also long enough to clear your bumper nicely. I have linked them to this page for your convenience.

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