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Charging System Help! |
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eb73grantorino 
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Joined: 11-March-2019 Location: United States Status: Offline Points: 2 |
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 Topic: Charging System Help!Posted: 11-March-2019 at 1:49PM |
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73 gran torino My battery seems to not receive any charge from my alternator. Ive replaced the alternator and my alt light turned off. battery is brand new and just replaced my voltage regulator. No idea on what to do or how to proceed on this any help would be much appreciated. |
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handsofstone
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Joined: 13-April-2018 Location: Northeast Status: Offline Points: 3946 |
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Posted: 11-March-2019 at 2:20PM |
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One time I had the same problem and it turned out to be me not putting one of the wires back on the solenoid. Are the connections clean?
That's all I got. |
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californiajohnny
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Joined: 05-October-2013 Location: winlock, wa Status: Offline Points: 14609 |
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Posted: 11-March-2019 at 2:33PM |
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yes, check all the wires, check grounds too
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JOHN
74 GRAN TORINO S&H CLONE 74 VETTE CUSTOM 90 S10 BLAZER 4X4 LIFTED 77 CELICA CUSTOM 75 V8 MONZA SUPERCHARGED 79 COURIER VERT. SLAMMED 75 VEGA V6 5 SPD 70 CHEV C10 P/U 68 MUSTANG FB CONVERSION |
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Rockatansky
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Joined: 30-July-2010 Location: On The Road Status: Offline Points: 6072 |
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Posted: 12-March-2019 at 12:44AM |
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alternators have a min rpm that they have to hit before they fire off. an alt with a high FO rpm you can actually start the car w/o hitting the gas and the alt won't be making any output, wing the throttle a little and you can hear the alt start off with it's whine sound can you hear the alt whine sound at all? what is battery voltage with the engine running and after the alternator has 'fired off' ? most chain parts stores will test your charging system for free |
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72 GT Ute
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7T9_Tbird
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Joined: 04-December-2017 Location: Athens, Alabama Status: Offline Points: 495 |
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Posted: 12-March-2019 at 1:28AM |
Also, if your still using the "snap-on" style caps on the back, make sure the metal inside is still clamping on the post tight. My Heritage would pop this cap off on the highway sometimes, and the volts would take a very slow dive.
 Ended up cutting them it off and crimping an eyelet on instead. |
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John
79 Thunderbird Heritage 79 Thunderbird Town Landau 02 Ram 1500 Sport Quad Cab |
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Rockatansky
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Joined: 30-July-2010 Location: On The Road Status: Offline Points: 6072 |
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Posted: 12-March-2019 at 1:38AM |
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those push on 'tension terminals' must be loose by now, you can squeeze them a little to get some connection, not much though!
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72 GT Ute
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eb73grantorino
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Posted: 12-March-2019 at 4:53AM |
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Thank you very much as it turned out the previous owner ended up rewiring the alternator harness and never ran it the the solenoid.
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Rockatansky
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Posted: 12-March-2019 at 5:53AM |
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Yeah that could have something to do with it? |
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72 GT Ute
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californiajohnny wrote: