Subject	2 things to check. What’s the across battery voltage
Posted by	jzack on January 06, 2019 at 4:11 PM
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In Reply To	Before I Change the Alternator...... posted by FrozTTy on January 06, 2019 at 02:35 PM
Message	reading with car warmed up, idling and headlamps on? It should be high end of 13v (13.8 - 14.1 or so). If 12 or low 13v ranges alty has an issue. With car off, lights off, doors/hatch all closed (dash yellow security lamp not blinking) - disconnect the negative battery post clamp and use your meters DC amp setting to measure cars current draw. It should be no greater than 50mA (0.050 amps). If it’s a few hundred mA or higher - your altys diode bridge is shot (assuming no aftermarket sound system amp or aftermarket alarm system isn’t misbehaving and drawing excessive current).
Follow Ups	Before I Change the Alternator...... - FrozTTy 14:35:02 01/06/19 2 things to check. What’s the across battery voltage - jzack 16:11:18 01/06/19 Forgot to add - if seeing excessive current draw, - jzack 16:16:37 01/06/19 Car was cold but was 11.89 w full load - FrozTTy 16:40:49 01/06/19 Have to idle car to test alty supplied voltage. Security - jzack 20:57:09 01/06/19 If alty is totally disconnected from your car due to - jzack 21:21:35 01/06/19 So this might be my issue...... - FrozTTy 10:54:10 01/07/19 Is fusible link like on/off when bad? - FrozTTy 10:55:29 01/07/19 The blue wire fusible link inside the small box in - jzack 13:15:35 01/07/19 Re: The blue wire fusible link inside the small box in - itsa300zx 13:57:23 01/09/19 I really think your issue is just a bad alty... (n/m) - jzack 16:39:49 01/09/19 So I pulled the blue relay, and NO power gets to the car - FrozTTy 17:57:19 01/12/19 No aftermarket alarm or crazy sound system (n/m) - FrozTTy 16:42:44 01/06/19
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