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Does a Brake Controller Need to be Grounded to the Battery

Question:

I bought a Tekonsha PowerTrac Electronic Brake Controller - 1 to 2 Axles - Time Delayed Item # 39523 for a 2012 Chrysler Town and Country. The included installation directions and a warning sticker instruct the installer to ground to the battery. A video for installation on a 2014 Dodge Grand Caravan instructs to ground to the frame. Which is correct or what is the difference?

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Expert Reply:

If the manufacturer recommends to ground the Tekonsha PowerTrac Electronic Brake Controller part # 39523 to the negative side of the battery terminal then this is what you should obey. However, we have installed hundreds of brake controllers by grounding them to a bare metal surface and have not had any problems in doing so. There is really no difference between one or the other.

Please keep in mind that in order to install the PowerTrac you will also need the Brake Control Plug-In Harness part # 20127.

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Conner L

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