Frenchy Posted March 15 Share Posted March 15 So it is already a general standard that when towing over a certain amount(2000 lbs I think) that you should have a trailer brake of some sort on the trailer to assist with stopping. Most of the time trailers will have electric brakes instead of hydraulic surge type brakes(like U-Haul). My question is did Nissan ever put a plug under the dash on the WD21'S to make it easier to install a trailer brake controller if one wishes too? Or was that done much later in the 2000's? I ask simply for the fact someone tried to claim there is a plug for it and I was under the impression that you have to tap into wiring and make a custom harness to make it work. Link to comment Share on other sites More sharing options...
adamzan Posted March 15 Share Posted March 15 (edited) No there isn't, you'll have to tie into the wiring manually. It only needs 12v and the brake signal, though. so not too hard. The rest goes back to the 7 way plug at the hitch. Edited March 15 by adamzan Link to comment Share on other sites More sharing options...
Frenchy Posted March 15 Author Share Posted March 15 That's what I figured. Just wanted to make sure Link to comment Share on other sites More sharing options...
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