It does not have it's own computer, The engine and transmission is controlled by the PCM-Power train control module / computer. There is only one computer for the entire truck.
back speakers not sure what size
4L60 is the most common automatic transmission in GMC trucks
It is on the fuel pump sending unit that's inside of the gas tank.
this might help you: http://www.justanswer.com/questions/194b5-1987-gmc-suburban-4x4
yeah listen to that question overdrive that kicks in around 50 to 55
no as long as the engine is running the pump needss to remain on
That would be attached on top of the fuel pump/sending unit assembly.
its not a hex,,,it`s a torx t30 i believe
To reboot the computer in a 1999 GMC Suburban, you typically need to disconnect the vehicle's battery. Start by turning off the ignition and removing the negative battery cable for about 10 to 15 minutes. Reconnect the cable, ensuring a good connection, and then start the vehicle. This process can reset the vehicle's computer and clear any temporary issues.
I am the owner of a 1998 gmc safari awd van and i am 100% sure that the computer on mine is under drivers seat. Yes under drivers seat mounted to the floor.
The freon capacity for a 1998 GMC Suburban typically ranges from 2 to 3 pounds, depending on the specific air conditioning system installed. It's important to refer to the vehicle's service manual or consult with a professional mechanic for the exact specifications, as variations may exist based on the model and equipment.
The Yukon is a GMC and the Suburban is a Chevrolet.