Old_Chevy_Guy

This thread caught my eye. I have a 2007 Suburban 1500 5.3L V8 with just over 200,000 miles. I have used NAPA Gold batteries for years, and my Suburban consistently registered 14V while driving since I bought it new in 2007. Last year, I replaced the alternator since it was original to the vehicle and around 180,000 miles of use. I noticed immediately that the voltage gauge would oscillate between ~12 to 15V during driving, but I never had issues with the vehicle systems (lights, radio, seats, etc.). My experience was that the older alternator was pegged at 14V output whether I was using an old or new battery (sealed lead acid usually although one may have been serviceable). The new alternator, which I believe was the heavier duty version (>150 amps maybe?), is able to adjust the system voltage depending on the battery's charging needs. You may have moved on from this thread already, but I thought I'd toss this out there in case the problem is still gnawing at your mind from time to time. Good luck.

Have a 2007 Suburban 1500 Z71 and want to add a heated steering wheel. I have the clockspring and heated steering wheel from a 2009 Yukon XL. My airbag from the 2007 uses the older style clip connectors so I am going to modify the 2009 clock spring with the older style connectors for my airbag, but all other harnesses and connectors are the same as the 2007 except for the new heated steering wheel circuit and the air bag connectors. My question is does anyone know if my 2007 has the heated wheel wiring harness like many of the later model (2015+) K series? If not, any thoughts on how to identify the multiplex signal coming off the wheel control button so that I can install the necessary relay and power to the clock spring harness for the wheel heater? I know this is a random question on an older vehicle, but I just rolled 200,000 on it and think she has at least another 100,000 to go. Thanks for any help you can offer.