will not turn over

175,000 MILES • V8 • 2WD • AUTOMATIC
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BRANDON3
  • MEMBER
  • 1 POST
car wont turn over lights and radio work getting clicking sound 2003 GMC Surburban
Nov 30, 2010 at 6:53 AM
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BMRFIXIT
  • ✓Experienced Mechanic
  • 19,053 POSTS
check battery terminals
check and suspect starter



if not sure how to do the check let me know
Nov 30, 2010 at 7:01 AM
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HMAC300
  • ✓Experienced Mechanic
  • 48,601 POSTS
there is a start relay in the undrhood electrical center tapon that and if it starts replace it. It may be your starter as well. Or a battery not giving enough power. if you can jump it and the car starts then charge the battery and have the battery checked for power.
Nov 30, 2010 at 7:01 AM
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BMRFIXIT
  • ✓Experienced Mechanic
  • 19,053 POSTS
This is a wiring diagram for the system
it shows that you have a fuse and a relay in the fuse box under the hood very much dough it is but should be checked
2nd pic shows the starter big wire should have battery positive at all time ,small S terminal should have battery power only when ignition is in start position
Nov 30, 2010 at 6:14 PM
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