GMC Arcadia tail light bulb lamp replacement: Purchase the correct replacement tail light bulb(s) first, before disassembling the vehicle. See sources and related links below for replacement bulb information. Then consult your owner's manual for the tail light bulb lamp replacement procedure. As simple as it sounds, the owner's manual is the best place to start for bulb replacement instructions and illustrations. You may want to consider replacing both left and right at the same time in order to keep brightness and color equal (optional).
To replace the backup lights on a 2004 GMC Envoy, first, open the rear liftgate and locate the tail light assembly. Remove the screws or bolts securing the tail light, then gently pull the assembly away from the vehicle. Disconnect the wiring harness and remove the old bulb by twisting it counterclockwise. Insert the new bulb, reconnect the wiring harness, and reassemble the tail light assembly, securing it with the screws or bolts.
You need to replace the whole assembly. go to amazon.com and look up something like this: 93 gmc Tail Light Circuit Board
Jama Williamson
Remove the plastic interior panel to access the rear of the tail light assembly. www.trailvoy.com Envoy enthusiasts forum!
open rear door, remove Phillip screws, the in tire assembly comes out, now you have access's to bulbs.
You must remove the tail lamp assembly to replace the bulbs, Open the liftgate, there are 2 screws on the inside edge of the light, with the 2 screws removed pull the tight straight back to remove it. There are 2 locking pins on the right side of the light which may take some effort to release.Source: http://repairpal.com/remove-tail-light-cover-424
Tail light assembly short
To replace the rear turn signal bulb on a 2012 GMC Acadia, first, open the rear hatch and remove the two screws securing the tail light assembly. Carefully pull the assembly away from the vehicle to access the bulb sockets. Twist the socket counterclockwise to remove it, then pull out the old bulb and replace it with a new one. Reassemble the tail light by reversing the steps, ensuring everything is secured properly.
how would remove brake light switch and replace on an 88 gmc
I am not showing a 2010 GMC Envoy...do you mean 2009
"A gmc arcadia is an eight seater truck based SUV it is able to to woe the 5000-pound Acadia with aplomb. The handling is poised, body control in the twisties is excellent."
To change brake/tail light you need to remove the two screws in the tailgate jam, by the upper support cable of the tailgate (much easier with tailgate lowered!) and the tail light housing should pop out. The socket for the light is a quarter turn counter clockwise and the bulb is exposed.