If you need to keep the 7-Way semi active on the truck, then you would need to make an adapter to get it to work with an RV 7-Way. For that you would need a trailer side 7-Way round, # PK11702, a converter, # RM-732, and a vehicle side 7-Way RV style, # PK12-707E.
A semi-7-Way has separate circuits for the brake lights and each turn signal. And RV style 7-Way has the brake lights combined on the same circuit. So, what you would do is use a circuit tester such as # PTW2993 to determine... view full answer...
Since you have a 34 inch wide frame, we may have something that could work with a bit of fabrication on your part. 34 inch wide frames (measured from outside to outside) is a very common frame width for cab and chassis trucks, so we do have options for those beyond the universal RV style hitches.
I recommend looking at part # 41947. This hitch fits a 34 inch wide frame and has several height adjustments on the brackets so the receiver can be adjusted to a few different heights. I've attached... view full answer...
You are going to need to install a 7-way trailer wiring socket on your vehicles (the 2015 Silverado already has one), so that you can activate the trailer lights and then install a brake controller to activate the EOH brakes of your trailer.
You will need to start with a 4-way (if you do not have one). For that you would want the # 119250KIT.
From there you would need to convert the 4-way to a 7-way so that you can install the brake controller. For that you will want the Brake Controller... view full answer...
The motor included with the Replacement Gear Motor for Bulldog Electric Powered-Drive Kit # BD1046130-00 that you referenced is not available separately. In order to replace the motor on your Bulldog Jack, you will need to obtain this Gear Motor Assembly.
I have attached a short video demonstration on this product that you can also take a look at. view full answer...