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That's a very good question, we tend to be extra cautious and say to use 10 gauge wire because that would be more than enough. When you get into longer trailers that will end up using a lot of wire the heavier gauge wire becomes more necessary.…

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.

It sounds like you are speaking of the wires for the brake magnets. If this is correct, you will need to connect one of the wires to the brake controller output wire on your trailer connector and the other wire will need to be grounded to a clean…

Typically 4-way wiring consists of 18 and 16 gauge wires. For a 4-way that has all 16 gauge wire you would want the Wesbar 4-Pole Flat Connector #W787264. The part #HM38138 uses 18 gauge for all wires but the white that uses 16 gauge.

A trailer that is over 80 inches wide is required by DOT regulations to have rear clearance lights. An over 80 inch taillight kit, like part #TL16RK, will have the side clearance light built into it. An under 80 inch taillight does not have the…

Hey Brian, that specific mounting bracket has been discontinued but you can use the Black Molded ABS Mounting Bracket for Thin Line Series Clearance, Side Marker Lights #A65B in it's place. Let me know if there is anything else I can do for you…

The difference between the Class II and Class III hitches has to do with their Gross Trailer Weight (GTW), their Tongue Weight (TW), and their Hitch Receiver Size. Class II trailer hitch receivers have a 1-1/4 inch receiver and can be rated up to…

Even though I cannot comment specifically on the grease you used because I am not familiar with it, I can tell you the best grease for trailer bearings is a a grease with a rating of GC-LB, which just means it is made to withstand very high…

The reverse light pin on a traditional 7-way trailer connector, like part #PK11893 or a factory connector if that's what you have on your 2018 Ram, is the center pin. Take a look at the picture I attached that shows all the pin functions. To add…

The only difference between 7-Way Utility and 7-Way RV is the color of the wires. The pin outs are the exact same so either would work just fine with the other. If you check out the picture I attached you'll see that the functions are all the…

The light dimensions of the Optronics LED #TLL12RK are 7-9/16" long x 2-3/4" tall x 1-3/4" deep and the hole size needed is 6.75" by 2.5 inches. I confirmed this with my contact at the manufacturer and I've attached a template…

There is not a specific custom wiring harness for your 1976 Toyota FJ40 Land Cruiser. I recommend using the ZCI Circuit Protected Vehicle Wiring Harness w/ 4-Pole Flat Trailer Connector and Installation Kit #119250KIT which will install without…

That's a very good question, we tend to be extra cautious and say to use 10 gauge wire because that would be more than enough. When you get into longer trailers that will end up using a lot of wire the heavier gauge wire becomes more necessary.…

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.

It sounds like you are speaking of the wires for the brake magnets. If this is correct, you will need to connect one of the wires to the brake controller output wire on your trailer connector and the other wire will need to be grounded to a clean…

Typically 4-way wiring consists of 18 and 16 gauge wires. For a 4-way that has all 16 gauge wire you would want the Wesbar 4-Pole Flat Connector #W787264. The part #HM38138 uses 18 gauge for all wires but the white that uses 16 gauge.

A trailer that is over 80 inches wide is required by DOT regulations to have rear clearance lights. An over 80 inch taillight kit, like part #TL16RK, will have the side clearance light built into it. An under 80 inch taillight does not have the…

Hey Brian, that specific mounting bracket has been discontinued but you can use the Black Molded ABS Mounting Bracket for Thin Line Series Clearance, Side Marker Lights #A65B in it's place. Let me know if there is anything else I can do for you…

The difference between the Class II and Class III hitches has to do with their Gross Trailer Weight (GTW), their Tongue Weight (TW), and their Hitch Receiver Size. Class II trailer hitch receivers have a 1-1/4 inch receiver and can be rated up to…

Even though I cannot comment specifically on the grease you used because I am not familiar with it, I can tell you the best grease for trailer bearings is a a grease with a rating of GC-LB, which just means it is made to withstand very high…

The reverse light pin on a traditional 7-way trailer connector, like part #PK11893 or a factory connector if that's what you have on your 2018 Ram, is the center pin. Take a look at the picture I attached that shows all the pin functions. To add…

The only difference between 7-Way Utility and 7-Way RV is the color of the wires. The pin outs are the exact same so either would work just fine with the other. If you check out the picture I attached you'll see that the functions are all the…

The light dimensions of the Optronics LED #TLL12RK are 7-9/16" long x 2-3/4" tall x 1-3/4" deep and the hole size needed is 6.75" by 2.5 inches. I confirmed this with my contact at the manufacturer and I've attached a template…

There is not a specific custom wiring harness for your 1976 Toyota FJ40 Land Cruiser. I recommend using the ZCI Circuit Protected Vehicle Wiring Harness w/ 4-Pole Flat Trailer Connector and Installation Kit #119250KIT which will install without…