Question about 1983 Ford Bronco

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Not getting charge 1983 ford bronco

Replaced battery, voltage regulater, alternater....Still only getting 13 volts at best. complete drain with lights on. Also latly I have to tap on top of the siloniod to get it to ingage starter.Any suggestions ould be appreciated.

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Prob you should replace the starter solenoid, i think there is a connection for the battery there. also when you replaced the alt did you replace the wiring and plug? you have to solder a new one in place. also a lot of people think their problem is when the engine is running an what is really a problem is some kind of a voltage drain durning the night. with the key off and all doors closed pull a battery cable off and put a 12 v bulb between the cable and the battery. if it glows bright then you have a voltage drain. thats easy to find just start pulling fuses while an assistant watches the light. when it goes out or dims you have found the curcit that is draining. you may get some small drain from radio and clock type stuff.
Oh and I have gotten a bad alt "new" from the parts house. now I always make them test the new one before i leave the store.

Posted on Feb 17, 2010

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How do I check if it is alternater or battery


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http://www.fixya.com/cars/r5824824-draining_car_battery_charge

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First tell me why you don't think it's charging.
Because of the voltage reading you are getting at the battery terminals? The range you want is between 13.6v to 14.2v. The higher the voltage the lower the amps. and true the other way, the lower the voltage the higher the amps. If you get a reading of 13.6v or lower, the alt is nearing or at max output. An alt can only run at maximum for around fifteen minutes and it will start slinging solder from overheating. It's a good indication the battery is either totally dead or junk. Charging above 14.2 the alternater is running wide open and is only putting out high volts which will cause the battery to boil , in turn destroying it. This is a bad alternater. All alternaters have integrated voltage regulater with the exception of ver few of the earlier ones. You cannot test an alternater by removing a battery cable to see if the engine keeps running without taking great risk of damaging the alt, regulator. So tell me why you feel it isn't charging. Remember an alt is not made to charge dead batteries. Their sole function is to maintain the battery charge. Without a battery, the alt won't last 10 seconds.
Hope to hear from you and good luck.

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Shorting out somewhere!


I believe that your vehicle has an external voltage regulator for the chargeing system.just FYI the spec on all vehicle chargeing systems when the vehicle is running should be 13.8-14.2 when checked with a volt meter.I would start by checking the voltage regulator.If it isnt external than your alt is bad.

Mar 05, 2009 | 1983 Ford Bronco

1 Answer

No charge from new alterator which is fine


sounds like a loose connection or the sylenoid is going bad ford is know for corrosion

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Looks like you have replaced all of the key parts, and then some. At this point I would verify that the alternator is charging the battery. With engine off, check battery voltage. Start the engine and check thre voltage again. It should climb to charging voltage, around 13.0 to 13.5 volts. If it doesn't, check all connections. On a vehicle this old, I would start with the ground circuits.
Good luck.
Buzzy

Dec 21, 2008 | 1983 Ford Fairmont

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