I'm touching up all the grounds on my 2012. Essentially pulling them, wire brushing, adding electrical anti-corrosion compound, and reinstalling. Just PM stuff, not chasing any issues...
I found a group back by the fuel tank, a group under the driver's feet; both on the frame.
I found two on the cowling in front of the driver (engine compartment), one of those leads to the left rear corner of the engine (braid) and the other leads to the hood (plus a batch I've installed for various electronics).
I found another group on the front right corner of the engine (one for the battery and the other runs to the top of the engine).
I know I pulled one under the grill for the horn, that was a while ago...
The only group that was questionable was those attached to the aluminum engine block, there was corrosion at both locations. But I also oil my truck, so nothing is really rusty.
Any others? I'm thinking there may be one under the spare tire for the trailer harness or tail lights?
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