Installing a 7-Way Trailer Connector on a 2003 Dodge Ram 1500 With 4-Way Wiring Harness  

According to our records, the cold brake switch wire on a 2004 Dodge Ram 2500 should be a white/tan wire. Wire color is not always universal, so if you do not find a white/tan wire, you can use a wire tester like part #PTW2993 to determine wire…

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…

We have everything you need to install a brake controller on your 2004 Dodge Ram. Since your truck does not have any factory trailer wiring, we will want to install a trailer connector first because the brake controller will tie into the trailer…

The Tekonsha Plug-In Wiring Adapter, part #3020-P, you have referenced is for connecting a Tekonsha brake controller to the brake controller port located in the cab of your vehicle. It will be used if you have the factory 4-Way or the factory 7-Way…

The port you describe does not seem like what you need. You are going to be looking up under the dash for the 4 pin connector wiring harness. It is usually blue but this is not always the case, it can sometimes be gray. On your 2004 Dodge Ram it will…

Yes, it is very possible to install/fit a 7-way trailer connector on a 2004 Dodge Ram 1500. I first recommend looking under the vehicle for a square ten pin connector. This (if present) will be located behind the rear bumper near the spare tire and…

You can add a 7-Way trailer connector and retain the use of a 4-Way as well by installing #37185. The 4-Way you have will plug into the 37185 and the remaining wires would have to be hardwired in. The white wire grounds to the truck frame. Black is…

Start by plugging in the brake control adapter #3020-P into the OEM harness located under the steering wheel, just to the right of the emergency brake pedal. Then find a place to mount the brake controller. It should be in a position that is easily…

You are correct, at least two of those remaining wires will need to be dealt with in order for your trailer brakes to function. On the Ram trucks equipped with the OEM 4-pole trailer connector, the blue brake output wire from the outlet under the…

The remaining wires from the 4- to 7-Way adapter #37185 will need to be hardwired in to your 2003 Dodge Ram 1500 to make the 7-Way fully functional. The blue wire is for electric brakes, black is for 12 volt power, and purple is for reverse lights.…

Yes, the Draw-Tite Max-Frame Trailer Hitch Receiver part #DT78MR and T-One Vehicle Wiring Harness part #118786 are both great options for a 2021 Jeep Wrangler. In regards to installation of the T-One Vehicle Wiring Harness, you can route the power…

Yes, we do indeed have the correct circuit board to replace the 10-21275KE part on your MaxxAir Fan with part #MA39FR. This is a direct replacement and will get your fan operating back to normal. Pricing will be listed on the product page.