Brake Controller Install Procedure for 1998 GMC/Chevy Suburban K2500  

We have put together a kit that includes all the parts you will need to set up the rear wiring for a 7-Way and prepare the truck to install a brake controller. The kit is part #ETBC7. It will utilize the 4-Way that is already installed and then you…

Some models of the 1997 Chevrolet K2500 do have the brake (blue) and hot lead (orange or red) wires already ran from under the hood to the end of the driver's side frame rail. However, these wires are hard to access and additional…

From what I know there are no tow package wires under the dash in the 1998 model year GM trucks. The under dash wire harness started in 2007. And from 1999 to 2006 there was a port under the dash. But for 1998 a brake controller like the #5504 has…

To install a brake controller in your 1998 GMC C/K series 1500, there are a couple of items you will need in addition to the brake controller. If the truck does not have a 4-Way trailer connector, you will need to add one like part #118315. The…

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.…

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…

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…

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…

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…

Hey Antoine, so the two kits you mentioned are actually really similar and honestly I would go with the part #ETBC7 if I were you. The #ETBC7L is basically the same thing minus a couple wires and breakers so you may as well get the kit that has…

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…

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…