Good advice but it doesn't always find the problem>>> - Saab 900 Bulletin Board - Saabnet.com
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Good advice but it doesn't always find the problem>>>
Posted by Dennis in Ottawa (more from Dennis in Ottawa) on Mon, 11 Feb 2002 11:54:52
In Reply to: Battery drain troubleshooting, Ari 
[Profile/Gallery]
, Mon, 11 Feb 2002 10:29:38
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the parasitic draw can be difficult to locate. Passive belts are a source, the key left in ignition switch is a source, etc. I have yet to find my parasite! I've done the battery, alternator, and voltage regulator tests, I've put the meter in series with battery (and waited for the inside lights to time out!) then pulled all fuses (including the one for the top on the fender and the ones under the rear seat for the alarm(?) etc. and relays and still have not found the culprit. Ground straps are all clean and tight. I believe it maybe the motion sensor (I have a convertible) portion of the alarm as turning the switch to the 'on' position REDUCES the current draw rather than the other way around as I expected. But even that hasn't reduced the drain to the 0.03 or 0.04 amp draw that should be the norm. If there are any weird solutions anyone has come up with, please let me know. BTW there is no hood switch on my 1987 although the SaabAlarm indicates there is one, there are no loose wires in the area either so I don't think it was ever there! I also pulled the 'hot' wire off the trunk light just in case it was doing something silly with the lid closed! Good luck but keep your battery charger handy!
posted by 129.42.20...
Posts in this Thread:
- battery drain/ what to look for????, norm vandal, Sun, 10 Feb 2002 06:24:45
- Battery drain troubleshooting, Ari , Mon, 11 Feb 2002 10:29:38
- Don't use clamp, take off positive cable and.., Bill U, Sun, 10 Feb 2002 13:47:03
- push button on rear hatch, dave n, Sun, 10 Feb 2002 11:40:51
- That's the way if you have a DC ammeter, Dana , Sun, 10 Feb 2002 10:31:56
- trunk light? n//m, patprice, Sun, 10 Feb 2002 07:34:17
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