Should Red Dot Appear on Reese Pilot Brake Controller With Brake Pedal when Trailer Not Connected

Question

Question:

When I push the manual slide when the trailer is not hooked up the dot does appear however when I step on the break… Is not a pair I had thought the dog was supposed to appear when you step on the break and trailer not connected?

asked by: John

1

Helpful Expert Reply:

When the brakes are applied with the Brake Controller part # 80550 installed the dot should appear on the display. When the dot does not appear in this situation the issue is that the red wire of the controller is not connected to a circuit that sees 12 volts of power with the brakes applied. You need to verify first that the red wire is making a solid connection and then that the circuit has 12 volts when the brakes are applied.

expert reply by: Jameson C

1

Answer 1

All the brake controller needs to sense a trailer connection so that you can test it is a slight amperage draw on the output circuit. For that you can use a circuit tester like the part #PTW2993 with one pin grounded and the other on the output pin.…

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Answer 2

The blue wire carries the brake controller output voltage, the white wire provides the ground connection and is usually ran to the negative battery terminal, the black wire is the 12-volt power supply, and the red wire typically connects to the brake…

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Answer 3

If you are seeing just the dot with a trailer connected and it does not change when you use the manual override knob or the press the brake pedal that indicates a poor connection on the brake output wire. This can be caused by a dirty or corroded…

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Answer 4

If your trailer is single axle you would need a Load Range D like the part #LHAW121 which has a capacity of 2,150 lbs at 65 psi since you have a 4,000 lb trailer. What is also great about the tire on this combo is that it is rated for up to 75 mph…

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Answer 5

There are several items you might want to try using for removal of corrosion in your 7-way trailer connector, like part #HM48480. White Vinegar A wedge shaped, slip on pencil eraser or art gum eraser Pipe cleaners PB Blaster If the corrosion is…

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Answer 6

The ER code on a Reese brake controller typically indicates an internal problem that can't be fixed and requires replacing the controller. Since yours is still working normal I'd say that you are probably on borrowed time with it and will…

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Answer 7

An OL error code would indicate an overload error. The cause of this is most likely a bad ground or a short to the blue brake out put wire. The first thing I would check is the connector on the back of your vehicle. Any dirt or corrosion can be…

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Answer 8

When you take a look at the legend for the codes on the Reese Towpower, which was renamed as the Pilot #80550, it says that when the dot appears it means that the brakes are being applied but it does not register that the trailer is connected. This…

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Answer 9

For the Prodigy P2 Trailer Brake Connector #90885, the controller should first read n.c. for 15 seconds before changing to 2 dots with no letters, _._. When the brake controller reads 2 dots with no letters, it is an indication that the brake…

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Answer 10

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 11

A 4-Way trailer connector has the basic lighting functions only; running lights, left turn signal and brake lights, right turn signal and brake lights, and ground. A 7-Way has these functions and a 12 volt circuit, a circuit for electric trailer…

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Answer 12

Hello David, The reason it’s $1000 more is because of the whopping 0.2 cu. ft. of extra space..... just kidding! The main difference comes down to the exterior and features. The #GE48FR has a sleek glass front that gives it a glossy, modern look,…

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Should Red Dot Appear on Reese Pilot Brake Controller With Brake Pedal when Trailer Not Connected

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