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
its not a hex,,,it`s a torx t30 i believe
That would be attached on top of the fuel pump/sending unit assembly.
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 Yukon is a GMC and the Suburban is a Chevrolet.
on a 1999 gmc 1500 suburban 5.7 l where is the ac condensor
An ECU is essentially the brain for a 1999 GMC Suburban. Without an ECU the truck will not be able to operate at all.