Videos are provided as a guide only. Refer to manufacturer
installation instructions and specs for complete information.
8-1/8" L x 2-9/16" W x 2-3/8" D; Sealed, waterproof; shockproof socket; surface mount w/bracket on 7-5/16" centers; 3-prong plug connection; 1-bulb incandescent
This is a sealed, oval combination stop, turn, and tail light attached to a surface mount bracket. This red light and bracket unit measures 8-1/8" long x 2-9/16" wide x 2-3/8" deep. Lens and housing are one unit that is sonically sealed and waterproof, providing protection to the heavy-duty, long-life bulb. The light features a shockproof socket, guaranteeing long bulb life. This light surface mounts by the attached black steel bracket (BK70BB) on 7-5/16" centers. The light accepts an industry standard three-prong plug, which is required to complete the installation.
Manufacturer Cross Reference
Light will work as an exact replacement for:
Peterson # 421HR
Sealed red stop, turn and tail light installed in a surface mount black bracket. Features sonically sealed, waterproof lens and housing in a single unit. Shockproof socket guarantees long bulb life. Accepts industry standard, 3-prong plug. Requires mounting grommet and plug for complete installation.
Video of Sealed, 6-1/2" Oval Trailer Stop, Turn and Tail Light, Flange Mount, 3-Function
Videos are provided as a guide only. Refer to manufacturer
installation instructions and specs for complete information.
Today we are looking at the Optronics 6-1/2 inches Oval Trailer Stop, Turn and Tail Light, part number ST70RBTK. This is a flange mounted light with three functions stop, turn and tail light. It has a sealed waterproof housing and lens unit. It comes with a heavy duty long life bulb. It surface mounts on 7-5/16 inches centers with attachment bracket.
It accepts an industry standard 3 prong plug which is required to complete the installation, but it is sold separately. Weve gone ahead and attached the three prong plug so we can put a power supply to our light and show you what it looks like lit up. Our white wire is going to be for our ground, red wire will be for brake and turn signal, and our black wire will be for our tail light. Theres our tail or brake signal, now we will go ahead and turn off the overhead light so you can see what it looks like when it is lit up. Theres our tail light, and our additional turn and brake signal. And there you have it for the Optronics 6-1/2 inches Oval Trailer Stop, Turn and Tail Light, part number ST70RBTK.
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Average Customer Rating: 
4.6 out of 5 stars (9 Customer Reviews)
by: kenneth03/27/2013
Is this review helpful?
Flange mount tail light plug does not allow flange mount. Plug sticks out beyond flange. Large hole must be cut into frame to allow wires through.72775
by: Robert03/16/2013
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easy to change out and connect to trailer wiring.71059
by: Mike01/31/2013
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Exactly as I ordered and it came the next day..I am impressed!!64737
by: Charles M.05/10/2012
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Thanks etrailer! I installed the lights I ordered from you and they worked great! Great products, Great price and Great service! I will definitely purchase products from you in the future. I have attached photo's of the trailer I built. 39805
by: D.B. Stokes05/03/2012
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My product arrived today and aapears that it will work fine on MT boat trailer.39281
by: Terry F.01/16/2012
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light is exactly matched what I was replacing. Shipping was VERY fast.29811
by: Randy T.11/09/2011
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Easy to install. 26743
by: Jason S.08/13/2011
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I have an old popup camper that I am restoring and these lights were the perfect way to help it look more modern.21811
by: DAVE H06/07/2011
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EXACTLEY WHAT I WAS LOOKING FOR, EASY TO MOUNT AND WIRE, GREAT VALUE16253
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