According to my contact at Bestop, their 2-piece Mirror Set # B5126201 for the 2000 Jeep Wrangler TJ has flat mirror surfaces. These are a correct fit for your 2000 TJ with OE half-doors. view full answer...
You are correct in that the # RM-88400 brake light relay will not work with the JL wranglers. This circuit you would need to connect one is not accessible. You are also correct that the brake light switch will shut off after 10 minutes of inactivity. For your 2020 JL Wrangler you will need to use a stop light switch kit # RM-751000 which will give you a dedicated stop light circuit and will ensure all your lights are working correctly. view full answer...
All warranty registrations like your Roamaster Crossbar-Style Base Plate # RM-521453-4 (521453-4) is completed through the manufacturer of that product. You will need to register your baseplate through Roadmaster. view full answer...
I took a look at the owner's manual for a 2014 Jeep Cherokee and it does state on page 535 of the online version that for a 3.2L engine with the trailer tow package the maximum gross trailer weight is 4,500 lbs and tongue weight is 450 lbs. This is just the maximum weight of the trailer and what its tongue weight can be. So for trailer capacity it can be a maximum of 4,500 lbs but tongue weight does not figure into that - tongue weight is separate and is the downward force placed on the... view full answer...