How to Switch the P3 Brake Controller part # 90195 to Electric Over Hydraulic Mode

Question

Question:

I was told that the truck I bought,which is 99 single axle freightliner. he said he pulled electric over hydraulic brake trailers, But I do not know how to set it for the elec-hydraulic brakes on my trailer.can yall help

asked by: Glen W

0

Expert Reply:

You will need to press the menu/options button to view the setup screen, select brake type and press OK, select hydraulic and press OK, and then select confirm and you will be good to go.

I also attached a picture I took from the installation instructions that shows how to do this as well.

expert reply by: Jameson C

0

click to enlarge

Answer 1

There are 3 possible causes for the display reading - No Trailer Connected - on the Tekonsha P-3, Item #90195, when the trailer is connected. The first cause could be that you do not have the P-3 set up in the Hydraulic mode. On page 4 the…

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Answer 2

To connect an electric brake controller to your 2010 Freightliner Cascadia, I recommend you start with a proportional brake controller like the Prodigy P3 #90195. This when connected correctly will give your trailer brakes the same pressure at the…

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Answer 3

The wires under the hood for power to the factory 7-Way and power for a brake controller under the dash are sometimes rather hard to see. The wire for the factory 7-Way power is located under the master cylinder and is taped to the wiring harness…

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Answer 4

You do have the option to utilize the air brakes on your 2023 Freightliner Cascadia to control electric trailer brakes using the Hayes Air Actuated Trailer Brake Controller, part #HA100400C. However, we mostly recommend just using an electric brake…

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Answer 5

For your 2015 Jeep Grand Cherokee I recommend the P3 brake controller, #90195. This is a proportional controller that will apply the trailer brakes in proportion to how much the Jeep is braking. this is the safest way to stop and it reduces wear and…

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Answer 6

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 7

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 8

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 9

If you just need a 4-pin to 7-pin trailer wiring adapter, then you can use part #C57672. This will plug into the 4-pin trailer connector on your brother's vehicle and give him the 7-pin socket for the trailer. Keep in mind, this will only give…

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Answer 10

For sag from towing a trailer the best recommendation I can make is actually a weight distribution system. Suspension enhancement will help level your truck while towing. But the advantage to a weight distribution system is that it levels the vehicle…

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Answer 11

If you have a vehicle specific wiring harness for a brake controller then that would indicate that you have a factory tow package and subsequently would already have a 7-way at the back of your vehicle. The universal 7-way connector #ETBC7 is meant…

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Answer 12

Hey Travis, congrats on the new 2024 Jayco Flight 284BHS! Your travel trailer looks to have a GVWR of 7,950 lbs so I recommend going with the Equal-i-zer Weight Distribution w/ 4-Point Sway Control #EQ37121ET and pairing it with the Shank…

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