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26-04-2011, 01:51 PM
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#1 | ||
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AU00
Join Date: Sep 2008
Location: Sydney
Posts: 47
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Howdy People,
I have a power issue with my AU2 XR8. The Dash Volt meter reads just over 14v when running with stereo (2 amps & 2 Subs) but as soon as i turn the headlights on it drops down to about 11v? The alternator & battery are about 12mths old.
__________________
 : http://www.aufalcon.com.au/cgi-bin/index.cgi?act=item&i=549 
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26-04-2011, 02:06 PM
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Lacking Imagination
Join Date: Jul 2006
Location: In The Global Collective
Posts: 3,909
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Does the Voltage increase as RPM's Rise?
If so, you could have a faulty Exciter Diode in the alternator, had this happen to me.
__________________
My 11 Second AU Fairlane 364w | 225cc CNC | ---/---@0.050 | Morrison Motorsport ITB Manifold | MoTeC M150 (Engine Control) | PCS TCM-2800 (Trans Control) | 6800rpm Stall | 4R75W |
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26-04-2011, 02:18 PM
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AU00
Join Date: Sep 2008
Location: Sydney
Posts: 47
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Yes as soon as you put some RPM in it goes back to normal. It's only under idle that it drops.
__________________
: http://www.aufalcon.com.au/cgi-bin/index.cgi?act=item&i=549
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26-04-2011, 02:20 PM
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Lacking Imagination
Join Date: Jul 2006
Location: In The Global Collective
Posts: 3,909
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Id take it back to the auto elec or who ever fitted the alternator.
Mine sits on 14.5-14.8V at idle and only drops to 12V when my steroe is going. (2 Subs, 3 Amps)
__________________
My 11 Second AU Fairlane 364w | 225cc CNC | ---/---@0.050 | Morrison Motorsport ITB Manifold | MoTeC M150 (Engine Control) | PCS TCM-2800 (Trans Control) | 6800rpm Stall | 4R75W |
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Power Issue
Linear Mode
