Well..............Quite a few hours later and with some help form a mechanic friend of mine, I am a little closer to finding the Problem. He suggested pulling the Negative Cable and running a test light between the battery and the cable end. With this "tester" in place the test light will stay lit until the fuse with the problem circuit is pulled. An hour or two later I have found that in order for the light to completely go out I needed to pull 8 fuses. Some of which I attribute to the battery "sleep" functions on this vehicle. The problem being that I cannot check all the fuses with the door closed as one of the main fuse panels is beneath the drivers side rear seat.
My envoy did this also when the battery died. installed new battery and key came out.
Check the starter.
The airbag light in the 2003 GMC ENVOY can be reset by disconnecting the battery for about 5 minutes. Then reconnect the battery, turn the key to on without starting the vehicle, and pump the gas pedal three times if the light is still on after reconnecting the battery.
Change oil pump 2003 Gmc Envoy
how many gallons of gass will a 2003 GMC Envoy hold
ac delco spark plugs are type that originally came with 2003 GMC envoy
6x5
group 78--6 year battery
Yes.
Unplug the battery for five minutes, if that don't work get your truck serviced something is wrong.
The 2003 GMC Envoy brake light lamp is a 3157. See sources and related links below for more information on bulbs.
They don't have one