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Location of Trailer Tow Relays and Fuses on 2016 Ram 3500


Where is the rely switch located for trailer tow on 2016 Dodge Ram 3500


Expert Reply:

There is no mention of any tow related relays on the online version of the owner's manual for your 2016 Ram 3500.

Below are the fuse locations related to the 7-Way and trailer towing on your 2016 Ram:

F11 (30 amp pink) - Integrated Trailer Brake Module
F28 (20 amp blue) - Trailer Backup Lights
F30 (30 amp pink) - Trailer Tow Receptacle
F29 (20 amp blue) - Trailer Parking Lights
F53 (20 amp yellow micro fuse) - Trailer Tow L Turn/Stop
F81 (20 amp yellow micro fuse) - Trailer Tow R Turn/Stop

If you're having issues with your factory 7 and 4-pole socket, you can use # HM40975 to replace it. If not, please tell me what you're trying to do or what problem you're having, I'm happy to offer additional help.

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