Trailer Brake Controller Wiring - Battery Stud

[cam.mckay]

I've got the aux power and trailer brake controller power lead next to the battery but don't know the bolt sizes for stud 1 & 2 on the battery... anyone have that info?

[tanked_darren]

Doesn't make sense, on the battery? What are you driving. It will be metric for sure.

 

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[Ianf]

One stud is M6 and I believe the other is an M4.

[slj2008]

Do you mean fuse block ? if so the wire on the engine side goes the trailer plug. the other wire is for a brake controler . look at your wires they only go one way. NOTE: this was on my 2008 tahoe - good luck