The two MaxxFan Mini Plus Manual RV Roof Vent w/ 12V Fan # MA00-03851 you bought will have black and white wires hidden above the fan that you'll connect to the 12v wiring of the trailer. The black wire is your power and the white wire is your ground/neutral. To connect it to the trailer's wiring you'll need to use some butt connectors # DW05714 or wire nuts to splice the wiring together. If there isn't 12v wiring in the locations near the vents then you'll need to run some 14 gauge wire... view full answer...
The Kat's Heaters Defrost Fan # KH43100 referenced in your question is a 12 Volt, 2-speed fan that has just a single black wire that runs out from the base of the unit. You will simply need to run this to an available power wire to activate the fan, as it is grounded through the mounting hardware. view full answer...
The 7-way of your 2001 National Dolphin should have the 12 volt accessory circuit active on the 7-way unless it was damaged over the years. This means that with the Curt Echo part # C51180 you'd just need to plug the controller into the 7-way and once synced to your smart phone you'd be set. view full answer...
The Camco Replacement Propane Extension Hose - Male and Female # CAM59043 should be able to connect to the # CAM59143 without any issues. It is the same brand with the same connectors and the 12' hose has a male and female end so they are compatible. view full answer...
The Roadmaster Front Suspension Bar for Motor Homes with Factory Anti-Sway Bar # RM-1109-200 that you referenced does not replace the factory sway bar. It installs with it to balance weight transfer and reduce body roll on your 2003 P32 chassis.
The part # RM-1109-200 is also known as the Roadmaster Spreader bar.
Check out the installation instructions I attached for this product. view full answer...
The Roadmaster Reflex Steering Stabilizer with Mounting Brackets for Motor Homes # RM-RBK3-RSSP30 is the correct fit for your P32 chassis. The bracket clamps around the bar on the passenger side of your chassis and then the shock and spring will go over that bracket connecting to the far side. I've attached a video of the similar RBK7 being installed to assist. It installs in the same way but the bracket is a different shape. The other bracket bolts between the frame and stabilizing... view full answer...
I'd recommend you use our Brake Controller Installation Kit, part # ETBC7, The kit includes a 4-pole to 7-way adapter. If you no longer need the 4 pole round connector, you can simply remove it, and wire it directly to the 4-pole provided by the adapter after you cut the connector off.
The kit also includes all the hardware and circuit breakers you'll need to complete the installation. 25 feet of wire is included, but you'll need additional # 10-2-1 wire due to the length of your motorhome.... view full answer...
The Air Lift LoadLifter 5000 Air Helper Springs part # AL57202 which are a fit for the Workhorse P30 Chassis will require you to remove the existing jounce springs. The air springs will also require drilling into the frame but only a few holes so nothing too major. The Air Lift LoadLifter 5000 Air Helper Springs are the best option for the Workhorse P30 Chassis so they are worth the extra troubles for installation. view full answer...
Steering stabilizer # RM-RSSCP30 is a replacement for the OEM damper on your 2004 Workhorse P series motor home. This unit does have a return to center feature. I have included a link to the installation instructions for you to the right. view full answer...