Grounding the Optronics Thin Line Sealed LED Marker/Clearance Light # MCL-91AK

Question

Question:

It appears that the grounding connection is jumpered through the connector on the back through the tab over to the mounting hole. If I am mounting the light on a plastic fender, am I to assume that I need to use a bullet connector in the back and run it over to a metal ground ?

asked by: Keith M

0

Expert Reply:

You are correct that the Optronics Thin Line Sealed LED Marker/Clearance Light # MCL-91AK that you referenced will require a jumper ground wire to be run to a metal portion of your trailer frame if it is installed on a plastic surface. You will want to use a ring terminal like # DW05740-1 to make a solid ground connection to the trailer frame. Sanding off any paint from the grounding spot will help ensure a good connection.

expert reply by: Adam R

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Answer 1

To replace the Wesbar 203260 side lights on your trailer, I recommend looking at the Optronics Thinline Trailer Clearance or Side Marker Light #MCL67AB. This light measures 4-1/8 inches long x 1-1/4 inches wide x 1-3/16 inches deep, which is…

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Answer 2

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.

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Answer 3

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…

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Answer 4

The 5.30-12 tires, being wider, are going to make more contact with the road. This means that the noise, and heat build up will be higher than a 4.80-12 tire but the rolling resistance will actually be less because the tire is larger diameter. The…

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Answer 5

A BT8 spindle would have a diameter of .99 of an inch where the bearings would both install and would have a diameter of 1.24 where the great seal would ride. That would require a hub part #AKIHUB-440-2-1K for an idler hub. A BTR spindle would have…

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Answer 6

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Answer 7

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Answer 8

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…

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Answer 9

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.…

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Answer 10

The UFP H-1377 correlates to a Dexter #84 spindle, which is for a 3,500 pound axle. This will utilize an inner bearing #L68149 and an outer bearing #L44649. As this is being used on a boat trailer, I highly suggest going with the etrailer.com…

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Answer 11

To find the load capacity for your axle you should look on the trailer VIN plate or sticker that lists the VIN number. The weight rating of the axle should be listed on that same plate or sticker. Also, the axle could have a tag or plate on it that…

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Answer 12

If your trailer has 7 wires running all the way back to the brakes, then yes, you can tap into the existing wiring. Each of your new brakes will have two wires for the brake magnet. One wire is for 12 volt power to the brake magnets and the other…

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Grounding the Optronics Thin Line Sealed LED Marker/Clearance Light # MCL-91AK

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