Dubo

2024 Silverado 1500: integrated 7-blade plug. Trailer brakes lock up instantly upon connection. I have a fleet of trucks and cargo trailers. All have 6-pole connections. All attach and function properly including all electric brakes. My truck locks all brakes. I have two 7-blade to 6-pole adaptors. One center pole hot, one center pole brakes. Both lock brakes without any brake application and 0 gain. All lighting functions properly. All trailers have been inspected and function properly when attached to other fleet tow vehicles. I have tested the 7-blade with each adaptor to verify proper wiring as well as no bleed from hot to another pole. I'm stuck!

Thanks for the reply and thoughts. Whatever it is will definitely be taken care of by my dealer under warranty, since the noise is a bit erratic I"m just hoping it presents itself when I get there

I have a new 2024 Silverado 1500 4wd with the 3.0 Duramax, 3400 miles. Today, upon acceleration from a stop I'm hearing a sporadic clunk until 5-10 mph and seems to go away. No noises on turns, braking or stopping. Initial self inspection doesn't show anything obvious looking loose. Noise seems to be just under front, center, passenger area. Weird, thoughts? I will be calling dealer in morning but thought I'd ask, thanks!