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Why does clock in radio rest to 12:00 when I start the vehicle

Tiny
JNASHBUR
  • MEMBER
  • 2002 PONTIAC MONTANA
  • 103,000 MILES
When I start the vehicle, the clock in the radio rests to 12:00; station presets are not affected.
Saturday, January 7th, 2012 AT 1:57 AM

4 Replies

Tiny
FACTORYJACK
  • MECHANIC
  • 4,159 POSTS
Does the cranking appear to have slowed, have you possibly got a battery that is getting low on charge?
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Saturday, January 7th, 2012 AT 3:21 AM
Tiny
JNASHBUR
  • MEMBER
  • 3 POSTS
No, the battery appears to be fine. I'll put a volt meter on it when I get home today just to be sure but I suspect something else is going on.
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Monday, January 9th, 2012 AT 4:51 PM
Tiny
FACTORYJACK
  • MECHANIC
  • 4,159 POSTS
There could be an issue with the radio, but if the power to the radio is dipping below approximately 9 volts during cranking, the clock will reset.
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Monday, January 9th, 2012 AT 4:59 PM
Tiny
JNASHBUR
  • MEMBER
  • 3 POSTS
Ok, I'll put a voltmeter on the battery and see what the reading is when the engine is cranking over.

Thanks!
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Tuesday, January 10th, 2012 AT 4:01 PM

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