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Buick Forum: 2001 PA Voltages
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  1. #1
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    2001 PA Voltages

    The 2001 PA has a voltage readout as part of the "gage info" feature. I am trying to track down an electrical problem and would appreciate feedback from other owners regarding the voltage readout range during normal driving (what are the typical high and low readings) and also what is the voltage when the engine is shut down. Thanks in advance for the help!

  2. #2
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    Re: 2001 PA Voltages

    you need a hand held gauge, normal with engine on is 13.5 to 14.5. With engine off a fully charged new battery reads 12.75.

  3. #3
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    Re: 2001 PA Voltages

    Thanks for the feedback. What causes the voltage to fluctuate between 13.5-14.5?

  4. #4
    HotZ28's Avatar
    HotZ28 is offline Full Member My Buick(s): 1996 Roadmaster Limited Collectors Edition 58k - 1996 PAU
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    Re: 2001 PA Voltages

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    It depends on the accessories activated. If you have heat A/C fan ON, or lights on, the voltage regulator should fluctuate to maintain battery voltage.
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    1996 PA Ultra Series II - 3.4” pulley (11.5 psi boost), Autolite 104's, MSD coils & wires, 160 deg. T-stat. Flashed '97 PCM, Lucerne 17" Chrome Wheels
    Cold air is OK.....Turbo Charging is better....but, I'd rather be Blown!!



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