Wiring a Brake Controller on a 1995 Chevrolet Silverado 2500 LS

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Question:

recently bought the Activator IV 5504 from you for our 2000 Silverado, change of plans and want to put it on the 95 Chevrolet 2500 4x4 instead. We bought a plug in adapter from controlelr to box under dash for Silverado. can we use the controller in the 95 2500 silverado LS.?

asked by: don l

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Expert Reply:

Yes, you will be able to install the Draw-Tite Activator IV Brake Controller, item # 5504, on your 1995 Chevrolet 2500 Silverado LS. You will not need the Universal Brake Control Wiring Adapter 1999-02 Chevrolet, GMC, Cadillac, item # 3025-S, on the 1995 model because there is no factory port under the dash to plug the adapter in to. Chevrolet did not start putting the brake controller wiring port under the dash until 1999 so you will need to hard wire the brake controller on your 1995 model truck.

If you do not have any existing wiring at the rear of the 1995 Silverado, then you will need some other items to wire the brake controller. To start you will need a 4-Way connector, the Tow Ready Custom Fit Vehicle Wiring for the 1995 C/K Series Pickup by Chevrolet, item # 118315, is an easy plug and play harness for your truck.

You will also need a Brake Controller 7 & 4 Way Installation Kit, item # ETBC7, to complete the installation. We have detailed instructions on our brake controller wiring from scratch page and a video of the ETBC7 kit being installed on a 1993 Chevy Suburban for you to review.

If you already have a 7-Way Or 6-Way connector at the back of your vehicle then you will just need to wire the brake controller and run the blue brake feed wire to the rear of the vehicle with 10-gauge wire, item # 10-1-1. Then you would need 10-gauge wire, item # 10-2-1 to run the black power wire for the brake controller to the battery positive post through a 20- or 30-amp circuit breaker (see brake controller instructions) and the white ground wire to the vehicle negative battery post.

Next, use a circuit tester, item # PTW2993, to connect the red wire from the brake controller to the cold side of the stop light switch behind the brake pedal, and the install will be complete.

expert reply by: Robert G

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Answer 1

The wire from the cold side of the brake switch is what you are looking for. This wire is white, bundled next to an orange wire, under the dash, located above the brake pedal. Using a circuit tester, like part #PTW2993, make sure you have the wire…

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Answer 2

As you probably know there are two ways a 6-Way trailer connector can be wired. One uses the center pin as the 12-volt power accessory feed, the other uses the center pin for the brake output circuit. If the adapter is one way but the trailer is…

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Answer 3

You will need to use a circuit tester, like part #PTW2993, to test the wires under your dash. That is where your stoplight switch is located. We have a video of a 1993 Chevy Suburban being fitted with a brake controller. Start at the 7:20 time mark…

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Answer 4

Normally you can find the brake light switch under the dashboard at the top of the brake pedal. There could be a number of wires attached to the switch so you can use a tester like part #PTW2993 to test the wires. Since the auto manufacturers can use…

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Answer 5

On your 1993 Chevy truck the yellow brake switch wire is likely the one you will need. You can verify with a circuit tester such as #PTW2993. I have also linked a video that will help. Fast forward to about the 5 minute and 50 second mark.

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Answer 6

GM did not start using the port under the dash until the 1999 model year. You will need to hardwire the controller into the existing vehicle wiring. Depending on what the tow package on your vehicle included, some of the wiring might be in place.…

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Answer 7

A 6-way round-pin trailer plug like Pollak #PK11604 has a center pin that can be wired in two ways. The most common function to be found on that center pin is 12V trailer power. This is a low-level maintenance charge that will maintain a charged…

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Answer 8

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 9

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 10

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 11

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 12

The OEM prep package consists of 4 "pucks" in the bed of the truck that will allow you to drop in puck style hitches for easy installation and removal, that gives you a completely clear bed when not in use. The B&W Companion OEM 5th…

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Wiring a Brake Controller on a 1995 Chevrolet Silverado 2500 LS

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