Wiring Harness to Install a p2 Trailer Brake Controller on a 2002 GMC Yukon Denali

Question

Question:

Is a prodigy 2 and a Tekonsha prodigy 2 the same brake controller? If I purchase from a friend a Prodigy 2 brake controller, what adapter will I need to hook it up in a 2002 GMC Yukon Denali? My cord from trailer to plug in near hitch on tow vehicle is a 6 pin?

asked by: Greg

0

Expert Reply:

The P2, Prodigy 2, Tekonsha P2 or Prodigy 2 are all the same brake controller, # 90885. We usually just call it the P2. For your 2002 GMC Yukon Denali and the P2 brake controller you would need harness # 3025-P.

It is possible that you have a 6-Way connector on your Yukon. A 6-Way will have round pins, like # PK12720. But you might actually have a 7-Way blade style, such as # PK11893 which has 6 outside pins and one center pin.

Either set up does have a brake output circuit so the controller would work either way.

It is possible that you will plug in the controller and wiring harness and the controller will not work. If this happens then you will need to make some connections under the hood. I have linked a help article to the right that explains this for you.

expert reply by: Michael H

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Answer 1

If you are not getting the proper amount of braking on your trailer as you should be then there are a few things you can do to determine what the problem is. You will want to start off by making sure that your trailer brakes are adjusted correctly.…

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Answer 2

Based on what information I could find about AL-KO 8490 hub and drums, it is rated for 3,500 pound axles, has a 5 on 4-1/2 bolt pattern, and is a 10 by 2-1/4 inch drum. If this is the case, we have several options for you. I have attached a link to…

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Answer 3

I may have another option for you, but you are correct that all of the Dexter 3500lb axles we offer do not have the 70.5" spring center to spring center measurement you mentioned. As long as the hub face to hub face measurement of the axle…

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Answer 4

The four wires and their functions are: White: Ground wire, connected to negative side of battery. Blue: Electric brake wire, ran to the brake output circuit of your 7-way with 10 gauge wire like #10-1-1 sold by the foot. Black: 12v power wire,…

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Answer 5

There is a locking tab that holds the wiring harness to the back of the trailer connector on your 2002 GMC Yukon. You will need a small flat head screwdriver to remove the locking tab. Then you can pull the connector off. I have included a link to a…

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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

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 8

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 9

A BT8 spindle would have a diameter of .99 of an inch where the bearings would both install and would have a diameter of 1.24 where the great seal would ride. That would require a hub part #AKIHUB-440-2-1K for an idler hub. A BTR spindle would have…

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Answer 10

To determine the size of the hub assembly you need to purchase you have to determine which bearings are in the old assembly. If the old assembly has L44649 inner bearings, you would use the hub you chose #8-258-5UC1. If the inner bearings are marked…

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Answer 11

To determine the size of the brake assemblies you need you have to measure the depth and width of the hub drum on the axle like what you see in the picture I attached. The most common size is 2-1/4 inch wide like the #T4071600-500 that you…

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Answer 12

Even though I cannot comment specifically on the grease you used because I am not familiar with it, I can tell you the best grease for trailer bearings is a a grease with a rating of GC-LB, which just means it is made to withstand very high…

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Wiring Harness to Install a p2 Trailer Brake Controller on a 2002 GMC Yukon Denali

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