Parts Needed to Install a Prodigy P2 Brake Controller on a 2008 Jeep Grand Cherokee

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Question:

I have a 2008 jeep grand cherokee limited with a factory tow package and 7 wire plug in back. Do I need any additional parts to install part #90885. Thanks, Dave

asked by: David H

0

Expert Reply:

No plug-in brake controller wiring is available for your 2008 Jeep Grand Cherokee, but luckily the P2 brake controller # 90885 includes a pigtail that you can use to hard wire the unit to your vehicle.

White: Ground, attached to the vehicle negative battery terminal.
Black: 12v lead, attached to the vehicle positive battery terminal with a 20amp or 30amp circuit breaker, parts # PK54520 or # PK54530 respectively. You would use the 20amp breaker for a trailer with 2 to 4 brakes, or the 30amp for trailers with 6 to 8 brakes.
Blue: Electric brakes, attached to the blue electric brake wire on the 7-way plug.
Red: Stoplight switch, normally located directly off the vehicle brake pedal.

You can see a video of a typical hard wire installation for the P2 brake controller, and some additional information on wiring for towing with electric brakes at the links below.

expert reply by: Sarah L

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Answer 1

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Answer 2

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Answer 3

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Answer 4

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Answer 5

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Answer 6

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Answer 7

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Answer 8

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Answer 9

Yes, it will work. You'll just need to cut the Lance 6-pin connector out and rewire it into the etrailer Trailer Wiring 7-Way Upgrade Kit w/ Junction Box and RV Style Connector item #e99011. Here are the individual functions of that Lance 6-pin:…

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Answer 10

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Answer 11

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Answer 12

That's a very good question, we tend to be extra cautious and say to use 10 gauge wire because that would be more than enough. When you get into longer trailers that will end up using a lot of wire the heavier gauge wire becomes more necessary.…

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Parts Needed to Install a Prodigy P2 Brake Controller on a 2008 Jeep Grand Cherokee

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