Difference Between Optronics Left Hand # ST8RB and Right Hand # ST9RB Trailer Lights

Question

Question:

Whats the difference berween lert and tight hand lights

asked by: Deborah S

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Expert Reply:

It sounds like you are referring to the Optronics Right Hand Trailer Light # ST8RB and the Left Hand # ST9RB. The only difference between the two assemblies is that the Left Hand/Driver's Side unit features an additional license plate light to illuminate the trailer's license plate.

I have attached a couple short video demonstrations on these lights that you can also check out.

expert reply by: Chris R

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Answer 1

The lens you need is part #A8RB. The light you have is a standard style trailer taillight and the lens part #A8RB is designed to fit it.

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Answer 2

I have a solution for you, but neither the #ST8RB nor #ST9RB are submersible lights. Instead, you'll want to use the #ST6RB and #ST7RB - which are the submersible versions of those lights. These are still incandescent tail lights that look…

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Answer 3

As you mentioned, some of the trailer lights like the Optronics Trailer Stop, Turn, Tail and License Plate Light, 7-Function, Left Hand #ST9RB state that they have a shock proof socket. The manufacturer specifically makes the housing so that the…

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Answer 4

The weight capacity should be listed on the side of your trailer tires but since there are a couple different Load Ranges in your tire size of 4.80-12 you could either have a tire capacity of 785 lb if you have a Load Range B like #AM10060 or 990…

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Answer 5

We can help you find replacement submersible tail lights for your boat trailer! You can use the link provided to see our main page for submersible rectangular trailer tail lights and using the filters in the left-hand margin you can narrow the…

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Answer 6

You should not have a problem using the Trailer Stop, Turn and Tail Light, 6-Function, Right Hand #ST8RB on the left and right hand sides of your trailer. It would be just a matter of wiring up the lights accordingly. On the #ST8RB there is an arrow…

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Answer 7

Running a direct ground up to the trailer tongue or junction box would certainly work, but the only time I'd see that as being necessary is if the lamps were connected to a non metallic structure or a metallic structure that wasn't directly…

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Answer 8

The bulb that's in the #ST8RB light is an 1157 like part #A1157B. To change the bulb remove the front lens by taking off the screws and gently prying the lens away. Then to get the bulb out you'll need to push in on it a bit and twist the…

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Answer 9

If you have the Optronics #ST8RB and #ST9RB, no connector is needed. On the back of the taillight, there is a hole for the stop/turn and a hole for the running light wire. Each of these holes will have a smaller hole directly below it. Strip back the…

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Answer 10

Changing the bulb is simple. Remove the screw on each corner of the front of the lens and gently pry the lens away from the housing. Be careful not to damage the gasket between the lens and the housing as doing so will allow water into the interior…

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Answer 11

The Optronics Right-Hand Trailer Stop, Turn and Tail Light, Part #ST8RB, connects with two wires. On the rear of the housing are holes to accept bare wire and underneath each one is a smaller hole that serves as a wire release; just insert a small…

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Answer 12

Yes, the Trailer Stop, Turn and Tail Light, 6-Function, Right Hand #ST8RB does come with the bulb installed. The matching light for the left side of your trailer is the Trailer Stop, Turn, Tail and License Plate Light, 7-Function, Left Hand #ST9RB,…

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