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Parts Needed to Install Prodigy P2 Brake Controller on a 2021 Toyota 4 Runner w/ Factory Tow Package


Hello, I am very confused about what adaptors I need for my car. I have a 2021 4runner trd off road with a brake controller plug under the dash board and a 7 pin connector for my trailer. I want to get a tekonsha prodigy p2 as it’s highly rated and the trailer will be. Casita camper, no switching between cars or anything fancy. I was hoping for an easy plug in play sort of install. I see in the fine print on your site it says I need an additional adaptor part for the state of CA I live in CA so that my brake lights will illuminate. Tekonsha adaptor 30235-p however when I find the part it says it’s specifically for a ram truck. Can you clarify if I will need more than this set up for my car and trailer to work properly and to CA specifications?


Expert Reply:

To install the Tekonsha Prodigy P2 Trailer Brake Controller # 90885 on your 2021 Toyota 4Runner with tow package you will also need the Tekonsha Custom Wiring Adapter # 3041-P. This will provide you with the plug-n-play installation you were hoping for, one end of this adapter will plug into the back of the Prodigy P2 and the other end will plug into the plug under your dash.

The 30235-P you mentioned is a part that has been phased out by Tekonsha and is no longer needed or available. You will just need the # 90885 and # 3041-P for your 4Runner, even in California.

expert reply by:
Scott S

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