Brake Controller and 7-Way Trailer Connector For 1995 Chevy C/K 1500

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Question:

Can I get instructions on how to wire a 1995 Chevy 1500 for trailer breaks?

asked by: Jeremy

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Expert Reply:

As a first step, you would need to select a brake controller. I would recommend the Tekonsha Prodigy P2, part # 90885. The P2 is extremely reliable and easy to use, which makes it one of our all-time best selling brake controllers.

Most of the Chevy trucks of that era had a blue and an orange or red wire ran along the frame rail for installing the controller. At the rear of the vehicle, they usually terminate on the end of the drivers side frame rail or above the spare tire. In the engine bay, the other end is located under the brake booster. The wires are wrapped in electrical tape, and can be a bit hard to locate. (See the video I have linked to for more details). The red or orange wire supplies 12-volt power to the trailer connector for any trailer mounted accessories that might require it. Attach this wire as shown in the video.

You will need a 7-way (part # 37185) adapter. If your truck already has the 4-pole connector, the existing connector would plug into the adapter. If you do not have an existing 4-pole, cut the connector off of the adapter and wire as shown in the video.

The controller itself would mount to the underside of the dash, usually to the right of the steering column within easy reach of the driver. The black wire from the controller would run through the firewall to the positive battery terminal via a 30-amp inline breaker, part # 38630. The white wire would attach to the negative battery terminal and the blue wire would attach to the blue wire located under the brake booster in the engine compartment. The red wire would access the brake stoplight signal. The brake stoplight switch is difficult to reach in the mid to late 1990s Chevy trucks, because the steering column is in the way. You can find this circuit in the main wiring harness as shown in the video, using a circuit tester like part # PTW2993 to locate the white wire that only shows voltage when the brake pedal is pressed. Or take a look at the fuse/relay block under the dash. If you have a spade terminal location that says NAT under it (there might be more than one), try using your tester on it while pressing the brake pedal. If this terminal shows voltage when the pedal is pressed, you can place a spade terminal on the end of that red brake controller wire and plug it in there.

I've linked you to some FAQ articles about brake controller installation that I hope you'll find helpful.

expert reply by: Mike L

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Answer 1

The Blue and Orange (or Red) wires are meant to carry the 12-v accessory power and the brake control output to the 7-way installed at the rear. The wires terminate in the engine compartment under the master cylinder. The red wire would be…

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Answer 2

For a 5-way round connector you could wire to the wiring you have under your truck you'd want the part #PK11501 and you'd be set.

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Answer 3

We have a online diagram that will help you understand how the break away system is wired into your trailer. It is actually a simple installation. The system splices into the existing trailer wiring. The break away box will have 3 wires coming out…

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Answer 4

For your 1995 Chevy C3500, I recommend your start with the Tekonsha Prodigy P3 brake controller #90195. This proportional controller will apply your trailer brakes at the same time and with the same intensity as you hit the brake pedal in your truck.…

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Answer 5

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 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

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 8

I would be happy to help you set up your 2022 Toyota Highlander to haul your new travel trailer. The wiring harness you currently have controls your trailer's lighting functions only. You do not need to rewire your Toyota you just need another…

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Answer 9

The best brake controller option to go with is one that activates the brakes proportionally instead of time delayed. A proportional brake controller will activate the trailer brakes at the same time and with the same intensity as the tow vehicle…

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Answer 10

The first thing you will need for your 1999 D250 is a 4-way. The Curt T-Connector Vehicle Wiring Harness #C55317 plugs into the connection points behind your rear bumper and will allow you to power your trailer's signal lights. Once the 4-way is…

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Answer 11

Yes you can.

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Brake Controller and 7-Way Trailer Connector For 1995 Chevy C/K 1500

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