2003 gmc seirra no sound from speakers.

SOURCE: I have a 2001 GMC

First off it would be a good idea to check your speakers work. Remove them to see if they are in fact connected, DISconnect them one by one and do a battery check with each speaker. Simply use a 9v alkline battery and place the battery on to the speaker terminals(DO NOT connect the battery to the wires comming from the car or radio) do this test to expect a click or popping sound from the speaker being tested. Once you have checked that each speaker response to the battery it is now time to use one speaker as your testing tool to find or check for output sound off of your radio. Take just one of your working speakers and extend wires from the spkr terminals long enough for the speaker to be places on your seat or a safe and stable service. Remove the radio and locate the speaker wire output or wiring diagram if available. Most after market radios like Alpine,Sony and Pioneer will have a standard wireing system..as follows, (+Gray,-gray/back=front right)(+white,-white/black=front left)(+green,-green/black=left rear)(+purple,-purple/black=rear right) NOTE(Do not connect the 2 wires together but 1 wire from the speaker lead, to only 1 wire from the speaker out on the radio and the other speaker lead wire with the other speaker out from the radio) Connect the leads from the speaker to the speaker wires that lead dirrectly out of the radio to check for sound. If you have a nissan radio in yout car you will need to refer to the wiring diagram to locate the speaker output wires. Be sure not to confuse the power wires with the speaker wires or you run the risk of popping your test speaker.It would be a good Idea to use an old junk speaker while doing this test.(After market power wires are commonly solid yellow+ ,solid red+ or somtimes solid orange+)The factory Nissan speaker wires that you find at the speaker should match the same colors behind the OEM radio to narrow down your options. If your system has a factory or after market amp you will need to do a more advance check.

SOURCE: broken cd changer

the motor inside has failed. the only thing you can do is send it back to the manufacure for repair and hope they send back you cd or right the cd off as a loss and install anew radio

SOURCE: back speakers are not on my 2005' Envoy

not sure which radio you have but there is an amplifier under the back seat and there are some fuses there you may want to check your owners manual for fuse information

SOURCE: i have a gmc 2003 seirra 2500 and when i turn the

If you hear the sound while turning at low speeds and at any speed you might have a busted CV joint that needs replacing. If this is at mid to high speed turning it may be because of a busted ball joint. You may have to inspect physically the underside of the car to be sure. Ensuring that all joints and bushings are not loose like the ones mentioned and the tie rod that helps the wheel turn. If they are, they might need replacing.

SOURCE: my 2003 gmc seirra 4x4 stalls when stopped in

If no check engine light is on is most likely a bad vacume line on the fuel injectors.