Is 12 Volt Accessory Circuit Required on 7-Way to Install Brake Controller  

The Isuzu NPR models are not factory wired for an electric brake controller. If you already have a 4-way trailer connector, then you will use the wiring kit #ETBC7 to hardwire your brake controller. If you already have a 7-way trailer connector, then…

You can install a brake controller basically in any vehicle but since we don't have a quick-install connector that fits a 2016 Isuzu N-Series like your NPR you'll have to hardwire it. You'll need to start with a 4-way connector like the…

For your Pilot 2-6 Brake Electronic Brake Controller - Time Delayed #80550, you will need to connect the black power wire to the battery of your vehicle using a circuit breaker like #PK54530 and #12-1-1 wire. Then you will connect the red wire on…

On the Hopkins Agility Brake Controller, #HM47295, the message is actually SC, which means short circuit. First, you will want to check the blue wire for a short by severing the connection of the blue wire at the brake controller. You will want to…

The phrase "the cold side of the brake switch" refers to the circuit at the brake switch that carries voltage only when the vehicle brakes are applied. This circuit varies widely from vehicle to vehicle so the best way we can recommend you…

The black wire of the Hopkins 7-Way Molded Trailer Wire Connector #HM20048 carries the 12 volt accessory circuit. This is the circuit that will typically power interior lights or charge a trailer's battery. I attached a help article that covers…

Since you are not getting the 12V power when your truck is running, you most likely don't have a fuse issue as you stated their isn't a specified fuse or relay in the owners manual. The issue is that your truck is computerized even at the…

If you have confirmed that there is not an issue with the brake controller itself then I can really see only two reasons as to why you would have constant power on the brake output circuit. The first possible cause is that you have spliced into the…

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…

Actually, the P3 now has the upgraded axis accelerometer like the P2. The Tekonsha P3 Trailer Brake Controller #90195, will work with both electric over hydraulic brakes on the trailer as well as electric brakes. It has a menu option on the display…

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…