Ford 83-94 6.9 and 7.3L General Discussion of 83-94 6.9 and 7.3 Liter Ford Diesels

Battery light. New alternator 12v

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Old Jan 21, 2014 | 08:35 PM
  #11  
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From: norcal
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Have a new voltage regulator in

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Can I get a picture of the voltage regulators and the colors of the wires that come out? Mine doesn't have a plug. Just 4 wires that have connectors. Maybe I put them on the wrong way?
 

Last edited by ben774; Jan 21, 2014 at 08:35 PM. Reason: Automerged Doublepost
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Old Jan 22, 2014 | 02:34 AM
  #12  
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.....Make sure all (ALL) batt electrical connections and grounds are clean...shiney. I found one of my cables clamp end was corroded under the plastic cover and between all the wire. Remember when lead corrodes it becomes gray and darkens to charcoal. This cable or cable end corrosion at a connection requires additional amps to cause the current to flow thru the corrosion to charge the batteries. When I lived along the Texas gulf coast, I cleaned all lead connections every 4-5 months. Some of the newer connectors are steel and don't completely encase the battery lug, but have two thin, 1/8th in or so, bands that tighten around the lug, which even leaves less connector and more open corrosive area to contend with......and they as you know are very difficult to adequately tighten. I've replced them with brass couplers. By doingn all he above, I've not had a ded battery in over two years. KNOCK on WOOD!!!
 
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Old Jan 22, 2014 | 01:39 PM
  #13  
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also using a good battery protection spray of simply grease ... i use grease on the off road stuff and spray on cars and pickups that are not 4x4's..

I will post some pics in my build page this week ... will try tomorrow night ... been busy ..

Maybe Dortiz might be able to get to it before me ..
 
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Old Jan 22, 2014 | 01:40 PM
  #14  
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From: norcal
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Even on new batteries I would need that?
 
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Old Jan 22, 2014 | 02:07 PM
  #15  
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Yes, recommend that you spray the connections on all batteries, new and old, I've had several new batteries completely corrode the terminal connector within a week on separate occasions, the spray eliminated all corrosion on my batteries every time, so all I can say it do it no matter how long the battery.

let me go outside and I'll grab a picture of mine
 
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Old Jan 22, 2014 | 02:18 PM
  #16  
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Located on passenger fender, behind the battery, just below the starter relay
 
Attached Thumbnails Battery light. New alternator 12v-img_0273.jpg   Battery light. New alternator 12v-img_0274.jpg  
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Old Jan 22, 2014 | 07:33 PM
  #17  
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From: norcal
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Hah looks like I wired it backwards... Soo I wired it like yours and I got 24v from the alternator? Woah? Is that right?

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Getting 13.5v now thank you!
 

Last edited by ben774; Jan 22, 2014 at 07:33 PM. Reason: Automerged Doublepost
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Old Jan 22, 2014 | 08:00 PM
  #18  
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sorry for the late reply! I don't remember how I wired mine in, but I had to rewire it from the PO, glad to help. Anytime you have a question, feel free to ask away.
 
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Old Jan 22, 2014 | 08:23 PM
  #19  
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i have had a issue changed batteries and alt and still no charge it was a resistor in the dash cluster that tells the alt to charge i changed the resistor after spending over 500 on repaires and it then charged great but i also do not have the external reg
 

Last edited by bigjohn; Jan 22, 2014 at 08:29 PM.
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