FAQ Measuring Bolt Pattern Video

The video review for the Optronics Thinline LED Trailer Tail Light #STL64RB that you mentioned is correct. The white wire is for ground, the black wire is for tail lights, and the red wire is for turn/brake signals.

Yes, the center pin for the 7-way trailer connector on your 2018 Ford F-150 is for the reverse light circuit. If the vehicle is placed into reverse then the pin will become active and send power to the trailer. I have attached a selection of our…

The Bright Way Trailer Brakeaway Kit #3802308 has a built in 1-AMP charger. So when your truck is connected it will be charging. There should be no draw going out while the trailer is disconnected so it should be ready to rip whenever you're…

When connecting wiring to the Trailer Wiring Junction Box #3375601101 you can actually make whichever terminal connect to whatever function you'd like. Typically the color black is used for 12V power when it comes to trailer wiring but if you…

To charge the battery in the Engager Trailer BreakAway Kit, #20099, you can attach the wire from the 12 volt circuit on the trailer side 7-Way (1 oclock position on the back of the trailer side 7-Way where the wires attach) to the input wire on the…

Those are the wires for the brake magnets. You will need to connect the black wire to the brake controller output wire on your trailer connector and you are correct the white wire will need to be grounded to a clean metal surface on the trailer. I…

In order to determine the torque rating for the lug nuts on your trailer you will need to know check out the chart I attached that shows all of the torque specs for all the trailer lugs available based on stud size, wheel material and wheel size.

Based on the photo and information you provided, I can tell you have 12 x 2 inch Dexter brake assemblies for 5.2K axles, for which the Electric Trailer Brake Kit #AKEBRK-7-SA will be an excellent replacement. These are self-adjusting brakes so they…

Based on the C and D dimensions you listed you have a BTR spindle. The correct idler hub with a 5 on 4-1/2 inch bolt pattern that you would need would be the Trailer Hub Assembly #8-259-5UC1-EZ. If you needed a hub and drum assembly for your spindle…

I went to the warehouse to take some measurements and found that from the top of the receiver to the bottom of the 2-5/16" hitch ball was approximately 10-1/2" for the B&W Tow & Stow 3-Ball Mount with 5" of drop #BWTS10048B…

Thanks for reaching out! The measurements you're asking for on the B&W Tow & Stow 3-Ball Mount #BWTS10047B can be found on the attached image. I'm also linking a review video for you to reference!

I would be happy to help! Based on the BT150 stamped in your hub you will need the CE Smith Trailer Idler Hub Assembly #CE13315 which includes inner and outer bearings #L44649. This hub comes pre-greased and ready to install on the spindle of your…