Question about 2003 Hummer H2

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How do I tell if I have a bad radio antenna or radio on 2003 h2 hummer?

Lots of static. Actually can pick up about 2 FM channels whithout the antenna in.

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6 Suggested Answers

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  • 2 Answers

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Posted on Jan 02, 2017

  • 218 Answers

SOURCE: 2003 Hummer H2 overheats while idling in Park

NED TO HAVE THE CODES FOT THE CHECK ENGINE LIGHT READ.THE CODE WIL LEAD U IN THE CORRECT DIRECTION.GET BACK TO ME W/THE CODE.

Posted on May 13, 2009

  • 135 Answers

SOURCE: Oil Sensor light keeps coming on 2003 H2 Hummer

There is a sensor located on the oil pan. If the plug-in to this sensor comes loose it or if the sensor fails, it will send the low oil signal. You are wise to check the oil to confirm it is not low.

Posted on Jul 05, 2009

SOURCE: my 2003 h2 hummer will initally not shift from

Check the linkage that goes from the shift lever down to the transmission. It sounds like somewhere along the line, it has become disconnected or has broken.
if that parts are clean then It sounds like you have a shift control solenoid that has high resistance causing the hard shift you describe. Scan the PCM for trouble codes if none are present you could have a internal transmission problem.

Posted on Jul 17, 2009

  • 1 Answer

SOURCE: my 2003 hummer h2 is leaking on passenger side. I

check drain tube

Posted on Jun 11, 2010

  • 14 Answers

SOURCE: 2003 hummer h2 - engine light on I'm getting

takes cats off, it will run better,more power and better fuel. check eng. will remain though

Posted on Nov 22, 2011

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a bad antenna tops list. or the cable fell off to it?
got static with volume up?
sure.
if you remove the ant. jack and put finger on the hot pin inside
you will become a human antenna, and pickup close local stations
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Radio static truck ground shield wire


There are a few things you can try. AM stations use a lower frequency than FM and that is why it picks up static.
You can unplug the small plug-in at the Alternator and then start the car. The charging system will be inoperative and you will trace the problem to the charging system. This does not mean it is only the Alternator, it could be a bad wire coming from a good Alternator.
Sometimes a Bench check of the Alternator will reveal this type of problem and sometimes it does not.
You also could just need a new Antenna. Unplugging the old unit and wire and using a new replacement for the antenna wire could solve the problem. This could be tested before needing to route the wire through the body. Just remove the radio, or unplug the installed antenna lead and temporarily plug-in a new antenna.
Hope this helps.

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I have a 03 hummer h2 with a Bose sound system. The speakers won't work. The radio is on it changes channels but the volume does not work on the radio or on the steering wheel. Neither the CD funtion,...


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the cause of this is a defective is due to one of the following:
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2. Antenna ground is dirty or corroded
3. Poor radio chassis ground.

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