Recent content by three_stacks
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Trailer wiring not working
This was good advice. The first thing that I had plugged in was my boat trailer and after seeing that the lights were not working, grabbed the 7pin tester to see that only one of the lights was on. This was with headlamps on, hazards blinking, etc. I ran home to grab my other car and had no...- three_stacks
- Post #20
- Forum: Exterior
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Trailer wiring not working
Same situation here, there are individual fuses for LH trailer brake light, RH trailer brake light, reverse, etc. There is no power to either side of the fuse. Whatever is supposed to be sending 12v into those fuses is either disconnected or not working. A bit odd for a 2022 Denali with 1k...- three_stacks
- Post #17
- Forum: Exterior
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Trailer wiring not working
@handstr What was the fix? Having the same exact issue (no trailer lights, 7pin tester showing only one light for 12v) and taking my '22 Yukon Denali to the dealer on Monday. Hoping I can skip the trip or at the very least steer them in the right direction.- three_stacks
- Post #15
- Forum: Exterior
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