Optronics Wiring - A57WB
5-Way Flat to 7-Way Round Adapter - Wired
This is an adapter that converts the tow vehicle's 7-way round blade connector into a 5-way flat pin connector. This model has a short length of wire joining the two connectors.
- 16" Long
- Converts a 7-way round blade connector into a 5-way flat pin connector
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- Will a 4-Pole Flat Trailer Connector also Fit this 5-Pole Flat
- Most standard 4-Pole flat connectors will fit this 5-Pole flat connector. There are quite a few options as far as adapters that you could use. I have added a link to all the 7-Pole to 4-Pole adapters we have. One in particular has both 4-Pole and 5-Pole connectors, part # 37385. We also have a coiled version of the part you were looking at, part # HM47075.
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- Can One Of The Five Wires On A 5-Way Trailer Connector Be Used For Backup Lights On A Trailer
- The 5-way flat trailer connector is most commonly found on boat trailers that have hydraulic brakes. The fifth wire is hooked up to the reverse light circuit on the vehicle which then sends a signal to the hydraulic coupler to disengage the trailer brakes when the vehicle is put in reverse.
If you are not going to use the fifth wire on the 5-way to disengage your brakes on your trailer you could run the fifth wire on your trailer connector to the backup lights on the trailer. You will want to
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- How To Run a Reverse Light Circuit to a 7-Way Connector on a 2002 Toyota Sequoia
- The reverse light circuit will be the center pin on the 7-way connector on your 2002 Toyota Sequoia. To get power on this circuit so that the reverse lockout will function on your boat trailer you will need to tap into the reverse light circuit of your rear tail lights.
The easiest way to locate the reverse light would be to use a circuit tester # 3808. You will need a buddy to put your vehicle in reverse (with the key on and the engine off for safety reasons) and then use the circuit tester
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