Almost anything where you need DC. I’ve been involved in ham radio for decades, wire is good. Getting through the firewall is always a challenge, so having that done is a godsend.
I have strobes on my rigs. As visibility for dusty forest roads.
The GM Upfitter guide will give you any idea of what they are and where they lead. There are specific versions for each year.
Page 80 of this document may help you get started.
https://www.gmupfitter.com/wp-content/uploads/2021/05/2011_Chevrolet-Police-Technical-Manual.pdf
Heh!
The funny part is going through a small town. Highway goes straight through, no turns or junctions, BUT the nav has you turning and going all over town. It's as if the chamber of commerce sent them a contribution to get you to every business in town.
@tuckerrnr1 thats bloody inconvenient. If it makes y’all feel better, I end up using my phone or tablet more often. It’s more accurate.
For long trips I use the dash nav for the end points and wild ass incorrect arrival time. For routing through or around intermediate points, the phone is...
With a light load you won't notice the difference. I tow a 1,500# teardrop and occassionally forget to push the button.
What you will notice is the truck behaves differently in tow mode. Mostly the shift points change, and the lane change indication is 6 blinks instead of 3.
For the horn, look under the center part of the dash, over the hump. You will likely find two ends of a light brown wire that are unplugged. That is the “horn ring”. Plug them back together and the horn ought to work.
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