Honda Accord (1990 - 2002) Includes 1997 - 1999 Acura CL

Good battery, good alternator and still dont turn on

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Old Oct 27, 2008 | 02:48 PM
  #1  
dianam321's Avatar
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From: davie, fl, broward
Default Good battery, good alternator and still dont turn on

Hi Guys!!!
My car has a new battery, the alternator is perfect, and theres something that still draining the battery, the car doesnt stop when is on the road, only when it stops for a long time... any solution???
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Old Oct 28, 2008 | 05:24 AM
  #2  
P_Adams's Avatar
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From: New England, USA
Default Re: Good battery, good alternator and still dont turn on (dianam321)

Disconnect the negative battery cable and connect an Amp Meter between the two.
If something is staying on, you will see a Amperage value.

Start pulling and reinstalling the fuses (one at a time) and observe the meter. Once you reach the circuit which is staying on, the meter value will drop to zero. That is your hint as to where to start.

Be aware that there are some systems that do stay alive, even with the key off.
Both the clock (and I believe the ECM) require a uninterupted power sourse, so plan accordingly. The amp draw for these components will be in the milliamp range and can be disregarded. It's so small a draw that it would take months to drain down a battery.

P
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