My 3 month old 21 Sierra SLT has developed this problem on the drivers side but its intermittent, usually when I first start it its white like the other side then will change to a lite blue and pretty noticeable. Of course took it the dealer and it stayed white! Lol Has anyone else had theirs act this way? Will it eventually stay blue?
My Sierra SLT 6.2 /10 spd was built the week of 3/22 and a delivery date of 4/22. It now has a delivery date of 5/9. As far as I can tell its still bayed at the plant in Silao. My Dealer thinks its being held because of the chip issue and to check on it next week.
After more research and checking with a GMC parts dept. the 84487008 comes as spoiler only now. The 84515395 is the High Mount Lamp with Camera only, no spoiler. I need to double check to make sure its for the mirror and not the bed view, the description just states rear camera. This comes with no harness, so will need 84479945. To summarize the parts needed for the mod. Mirror 13536995 Coax 84335461 High Mount Lamp 84515395 Harness 84479945 Thanks for the for the help Hiyo!
Hiyo, Thanks for the reply! I already have the Mirror and Coax on order from Gmpartsdirect, Its the camera and harness part numbers that I need. From what I understand 84487008 does not/no longer includes the harness from reading through this thread. Do you know if part 84515287 or 84515395 have the camera and harness? The parts schematics I've looked at are not very clear.
Getting ready to order parts for this Mod. Mirror 13532977 Coax 84335461 Spoiler assembly 84487008 For the SA there are other numbers in this thread that others have used, 84515287 and 84515395. Which is the updated/correct part number for the SA? Also mentioned is a Harness 84599550, will this be needed?
Ordered my 21 Sierra 1500 6.2 SLT, Premium Plus Package, X31, Cayenne Red Tintcoat, Dark Walnut/Slate on 11/2/20. Schedule build week of 3/22. Doing my Happy Dance!
Ordered a Sierra SLT, Premium Plus package, X31 6.2 on 11/2, still event code 1100. My dealer has an allocation of 10 orders per month and due to constants only one can be ordered with the 6.2. The good news is my truck will be the next 6.2. Mine is a 1500, didn't realize this was a 2500 post.
Not an expert but The K in front of the number used to mean 4 wheel drive. Another thing to keep in mind is1999 was a transition year for the new GMT 800 platform as well as still producing the prior GMT 400. So there were Two body styles in 99. Hope that helps.
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