 alternator light flashing / alternater working., atlernater light |
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| milwlandrover |
 Aug 27 2012, 12:19 PM
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#1
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Member  Group: Members Posts: 149 Joined: 22-June 12 From: Greendale Wisconsin Member No.: 14,592 Region Association: Upper MidWest  |
Why would the light flash if the voltmeter is at 13volts. every thing seems to be working and the battery is not losing juice. Where should I look?
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| jsayre914 |
Aug 27 2012, 12:21 PM
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#2
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Speed Up !!! Group: Members Posts: 3,188 Joined: 10-February 08 From: Timonium MD 21093 Member No.: 8,696 Region Association: MidAtlantic Region |
r you sure its the alternator light, not the ebrake light?
(IMG:style_emoticons/default/confused24.gif) |
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| type47fan |
Aug 27 2012, 12:52 PM
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#3
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It Looks Better In Person. . . Group: Members Posts: 860 Joined: 17-September 03 From: Carlsbad, CA Member No.: 1,170 Region Association: Southern California 
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QUOTE(jsayre914 @ Aug 27 2012, 11:21 AM)  r you sure its the alternator light, not the ebrake light? (IMG:style_emoticons/default/confused24.gif) (IMG:style_emoticons/default/agree.gif) |
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| milwlandrover |
Aug 27 2012, 02:18 PM
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#4
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Member Group: Members Posts: 149 Joined: 22-June 12 From: Greendale Wisconsin Member No.: 14,592 Region Association: Upper MidWest |
No, I am not sure, but I will be by tonite.
Thanks for the help. couldn't get much simplier. I have had this 914 (1973 2.0l ) for 3 years and just got it on the road this weekend. I thought i had it on the road 2 weeks ago, but a back fire caused a small fire that scare the Obama out of me. Thanks for the help. markw |
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| Mike Bellis |
Aug 27 2012, 02:30 PM
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#5
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Resident Electrician Group: Members Posts: 8,345 Joined: 22-June 09 From: Midlothian TX Member No.: 10,496 Region Association: None 
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The alternator lamp works like this.
12 volts from the fuse panel connects to the lamp. The field wire from the alternator/regulator provides a ground when the charging system fails or when the engine is off. This lights up the lamp. When the system is charging, the field wire becomes positive voltage. 2 positive connections to the lamp and the light goes out. If it is flashing, either you have a loose connection or a bad charging system. I would suspect the lamp is connected to the brake circuit or wired wrong. |
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