2002 mustang gt 5spd. conv., battery light on

wph383qt

New Member
Jun 10, 2018
1
0
1
65
quakertown, opa 18951
just replaced alternator 2 weeks ago after car died, light came on again this a.m., replaced 46 month old battery with new, battery light still on. any thoughts or suggestions?
 
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stormsedge

Active Member
Jun 17, 2018
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Here
Check your ground wires...make sure the connections are clean and tight. Check fusible links and fuses to be sure they are good.
 

wmburns

SN Certified Technician
Aug 14, 2009
5,818
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Houston Texas
+1 on above.

Here's some more information on how to perform advanced trouble shooting of the charging system and the importance of grounds and what a loose battery cable can do.

Howto perform charging system voltage drop test
 
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