ok first thing you need to do is go to a radio store and buy the right plug that is made for your truck.they will tell you there what plug you will need,and everything else is easy from their wires should be color coded then it will be easy to install.
it is possible that the battery died.
Below the Radio was created in 2004.
Rustbelt Radio was created in 2004-05.
Iowa Public Radio was created in 2004.
Wodonga TAFE Radio was created in 2004.
how to remove cover to replace ignition lock cylinder and what type of tools do i need
The 2004 GMC Sierra-2500HD has 16 valves.
The 2004 GMC Sierra-1500 has 12 valves.
The 2004 GMC Sierra-2500HD has a V8 engine.
The 2004 GMC Sierra-1500 has a V6 engine.
it is possible that the battery died.
how to remove a clutch pedal assembly 2004 gmc sierra
The 2004 GMC Sierra-1500 is a gas-powered vehicle.
The 2004 GMC Sierra-1500 has overhead valves (OHV).
The 2004 GMC Sierra-2500HD is a gas-powered vehicle.
The 2004 GMC Sierra-2500HD has overhead valves (OHV).
The 2004 GMC Sierra-1500 has a 5-speed manual.