Hello from the "new kid" I just purchased a 2018 LT FW Equinox after mistakenly buying the same car in gas AWD. I learned a painful (and expensive) lesson that only the diesel AWD in the 2018 model year is flat towable. We escalated to Warren and were given a definitive answer - no flat towing gas AWD. I poked at them to see if it was simply a matter of them not testing it or perhaps the drive train components are different between the gas and diesel AWD. All I got were blank stares so I now own a different car.
On the chance that some of the original parties on this thread are still active, I'm interested in knowing about any updates on the wiring. I have a 2005 Saturn Vue that I've been towing without problems since 2008. I put a trailer hitch and wiring onto that car and cut into the trailer wiring to back feed the Vue's lights from the MH. At that point, some had reported getting stopped by the local police for not having a license plate light on the toad and my solution fixes that problem. So, without diodes, I just fed the running light system on the Vue. When I pulled the running lights on my motor home, ALL of the Vue's running lights came on. I had switched out all of the motor home's bulbs to LEDs so there wasn't too much voltage drop. I just have to make sure that the ground connection on the Vue back to the MH stays solid.
I'm toying with trying the same wiring setup on the Equinox. I feed separate stop and turn signals from the MH because the Vue had separate bulbs for those. I haven't gotten far enough on the Equinox to see if it is the same setup.. On original testing with the Vue, I built a custom wiring harness from the MH connection to the back of the Vue and just tapped into it for the test. I figured that worst that was going to happen was blowing a fuse but I never did. I had to pull a 30amp fuse to tow the Vue and rigged a by-pass with a switch from the fuse box back to the driver's compartment. I would throw that switch before hooking up the wiring connector from the MH but forgot that switch a couple of times and still didn't ever have problems.
Any help, suggestions are welcomed. I've been an Equinox owner all of two days.
