What is the normal voltage on the battery when my engine is running?

Tiny
ZAKHIA
  • 2004 VOLKSWAGEN TOUAREG
  • 100,000 MILES

Touareg v8 2004

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Thursday, May 10th, 2012 AT 7:53 PM

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Tiny
PROMECHANIC
  • EXPERT
  • 551 POSTS

The voltage should be in the 13.5-14.5 range

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Thursday, May 10th, 2012 AT 8:03 PM
Tiny
DJCL
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  • 786 POSTS

Some cars have a lower charging voltage @ idle but if you tap the gas thay will jump up into range

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Thursday, May 10th, 2012 AT 9:23 PM
Tiny
DSHELLY77
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14.6 at idle

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Thursday, May 10th, 2012 AT 9:38 PM
Tiny
VWSCOTT
  • MEMBER

If it's low you need the cable that runs to the starter if the alt tests okay. Common problem on some touaregs-v6 and v8

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Sunday, July 8th, 2012 AT 7:56 PM

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