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How to Install a Brake Controller on a 2002 Dodge Ram 1500  

Question:

Is their a harnness to plug in for trailer breaks on 2002 doge ram 1500

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Expert Reply:

There are plug-in brake controller adapters for your 2002 Dodge Ram 1500 but only for certain brake controllers and if you have a factory trailer connector. If the above is true then please let me know what brake controller you have and I will be glad to see if we have the correct plug-in brake controller adapter for you. For example, if you have the ever popular Tekonsha Prodigy P2 Trailer Brake Controller part # 90885 then you will need to use the Tekonsha Plug-In Wiring Adapter for Electric Brake Controllers part # 3020-P.

If your 2002 Dodge Ram 1500 did not come with a factory trailer connector then regardless of which brake controller you have there will not be a plug-in brake controller adapter and you will need to hardwire one in using the following. You will need a 4-way like the Upgraded Circuit Protected Tail Light Converter Hardwire Kit part # 119178KIT and a 4 to 7-way adapter like the Brake Controller Install Kit part # ETBC7.

I have attached our help article which explains all of this for you as well.

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Conner L
Mike profile picture

Mike

6/13/2024

I have a 2002 dodge ram 4WD slt 1500 in the bumper is a 7/4pin unit pretty sure factory how do I know if the 7 pin is active what colors are the ones for electrical brake further in harness I know by plug blue white etc and there is a 40 am fuse spot for electrical trailer how do I know for sure my truck has electrical brakes controller anywhere????

MikeL profile picture
Etrailer Expert

Mike L.

6/14/2024

@Mike Dodge typically uses a blue wire to carry the brake controller output to the 7-way connector. As for the controller, look for a small box hanging from the underside of the dash. If you don't have a controller, you'll want to install one. I'd recommend the Tekonsha Primus, part # TK90160 along with the # 3020-P wiring harness. If you already have a brake controller use a circuit tester on the 7-way's brake output pin. If the controller's working properly, you'll get 12V on that pin while the manual brake switch on the controller is actuated.

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