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Update: I had my car in for service. The car was there from 9:00 am till 5:30 pm for the trailer connector problem as well as a problem with the horn which I thought would be an easy fix. The horn only honks if I push on the right side of the horn mechanism. Neither problem was fixed. The...

I seem to be having the same problem with my June Model Y. No detectable power to any pins on the 7-pin connector. I have a service appt next week but now I am wondering if there is any point in taking the car in and wasting a half day minimum if there really isn't anything they can do. I have...

Those news stories about the problems with the new Li-ion batteries said that the problem was only supposed to be with the 12V auxiliary power. The blinkers and brakes were supposed to still work.

The trailer lights work fine on my other car, so there must be a problem in the Tesla or the adapter (unlikely).

I have a June Model Y with factory trailer hitch and just tried to hook up my trailer yesterday. I am using a 7-pin to 4-pin adapter. I have no lights on the trailer. I used my voltmeter to look for some voltage on the 7-pin connector and I get 0.00 volts everywhere I look. The service guy at my...