headlights

1973 DODGE CHALLENGER
92,000 MILES • V8 • 2WD • AUTOMATIC
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ZSHEEK
  • MEMBER
  • 1 POST
at idle lights go dim but when the rpms come up they are bright
Jan 15, 2011 at 1:46 PM
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CARADIODOC
  • ✓Experienced Mechanic
  • 34,399 POSTS
Measure battery voltage with engine off, engine at idle, and with engine speed increased a little. Use an inexpensive digital voltmeter, then holler back. Also be sure the alternator belt is tight.

caradiodoc
Jan 15, 2011 at 2:16 PM
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