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    2021 Silverado Trail Boss Custom 6.2L crew cab Shadow Gray

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GETGONE's Achievements


Enthusiast (3/11)



  1. This annoyed me as well. Luckily I ended up ordering my truck and ordered the rear seat storage package to get the armrest/cup holders. Door cup holders are only good for bottles with caps, not any kind of fast food/gas station drinks. BTW there's a bunch of Tim Horton's in Michigan in the last 8ish years. I thought they had doughnuts too and when I went to one they had breakfast sandwiches and no freaking doughnuts! First and last time I went there.
  2. https://www.ebay.com/itm/2019-2020-2021-Chevy-Silverado-1500-Bed-Lights-Led-OEM-/353840552565?mkcid=16&mkevt=1&_trksid=p2349624.m46890.l49286&mkrid=711-127632-2357-0 After I watched them I got an offer for $55 with $6 shipping, $10 off the listing price.
  3. I think they're fine myself. I have a retractable tonneau and they are the only lights with it closed and I find them adequate. I've read others say they're not bright enough for them.
  4. You have the cargo lights that are on the back of the cab as part of the 3rd brake light correct? If so they should be plug and play.
  5. My truck came with the lights but they just pop in place of the plastic plugs and then plug into the tail light harness. There should be an empty connector there already. Remove a tail light and pull it out and you should see it there.
  6. Quick way to find out would be to take a wire and back feed that pin spot and touch it to ground under the dash and see if the lights come on.
  7. I'd be interested to know if this is the same pin on the T1 trucks. That's the biggest miss I've found in my truck so far. No way to turn on the lights from the back of the truck.
  8. They've changed and it's a lot easier now to cancel. You can finally transfer subscriptions to another radio online now. I had it in my Avalanche and when I got my Silverado I transferred what was left of my Avalanche to it. I pay $21.84 a month for the mostly music plan. You don't get the sports or talk channels which is fine with me. I don't listen to any of those anyways. I want XM for the music.
  9. Is it a 6" lift? If so it should have had new upper control arms as part of the lift kit. Even doing a leveling kit on a Trail Boss should have new upper control arms to deal with the changed geometry. I have Rough Country forged aluminum arms in my barn waiting to go on when I level it in the spring.
  10. By the sounds of it this is what happened when I added brighter lights to the multi flex tailgate light kit. The lights blinked 3 times then went off. It was drawing too much current and this was how it shut the lights off. I had to add a relay and draw power from the trailer wiring harness and use the signal from the lights to trigger them. It's odd others have been able to make it work though. I would think the high beams from the custom would draw more current than the LED's of the DRL's though.
  11. Wish this worked on my 21. As soon as you press the button it releases the latches. Dealer would probably want a fortune to program it even if it was possible on a 21.
  12. Throwing my write-up from another thread here to help others: I added the GM light kit for my multi-flex tailgate as well as swapped the lights to brighter aftermarket LED units. I added some 2"x2" LED cubes I had purchased for my Avalanche but never used. The current draw tripped the BCM and they would blink 3 times then go off. I also hooked the cube lights up to the reverse signal so they come on in reverse and at night when the approach lights turn on when you unlock the truck or lock it and leave. I had added a Curt 5th wheel wiring harness expecting I could get my signals from there for what I was originally wanting to do. I found on here that only the 12V+ wire has signal at all times. I pulled the tail light and looked at the wiring. I have LED bed lights in the corners from factory. I tapped that wire on the passenger side(or could use drivers side) and ran that to the 86 wire on a waterproof relay. I added a diode to it so current can't back feed to the bed light circuit. I also tapped the reverse light on the same side, added another diode here so current can't back feed the circuit and added it to the 86 wire. There is a harness that plugs in under the bed and connects to the tail lights. I purchased a new harness to keep as a spare in case I ever had electrical issues that required me to take it to the dealer. I can unplug everything I added and return it to stock. 30 wire I connected to the 12V of the Curt 5th wheel harness I added. This plugs in via T to the factory trailer plug. I have the actual 7 wire plug running into the blank in the passenger bed side where the 120V outlet would be if I had that option. 85 wire can be tapped into the trailer harness ground wire or find a suitable ground wire elsewhere on the chassis or trail light harness. 87 connects to your additional lights. I didn't add a fuse to mine since I'm using the 12V+ from the trailer harness and it is already fused. 87a is NOT used and can be removed or taped off. I heat shrunk/electrical taped up connections and then zip tied the relay to the Curt 5th wheel harness along the tail panel of the bed. For those not wanting to read it all: Waterproof relay(as shown above) 30 wire - 12V+ from trailer wire circuit 85 wire - 12V- ground to trailer wire ground, taillight ground, or other suitable chassis ground 86 wire - 12V+ input from LED bed lights and/or reverse lights, using a diode on each input wire to prevent back feeding trigger circuit 87 wire - 12V+ to your additional lights 87a wire - NOT used and can be removed from relay harness or taped off. Not all relays have this pin/wire
  13. It is a "smart" alternator as it will turn itself off and on as needed based on the electrical draw of the vehicle. I believe 2014 was the first year this was used in the Silverados.
  14. Not going to work. The whole HVAC unit is different for the dual zone and electronic controls. The BCM's are vehicle specific and can't be reused on another vehicle. The only reasonable option is to trade it for one with the equipment you really want. Otherwise you're going to create a hack job nightmare that no one will want to buy if you ever decide to sell it and the options don't match how it was built.
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