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1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks Discuss the Early Eighties Bullnose Ford Truck

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Old Oct 13, 2009 | 09:09 AM
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7.8

real qt,does a 86 f250 7.8 have a intern reg or is it on the inter fender
Thanks Phil
 
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Old Oct 13, 2009 | 09:13 AM
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You mean 7.5L (a.k.a 460 CI gasoline engine) or 5.8L (a.k.a 351W gas engine)?
 
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Old Oct 13, 2009 | 09:15 AM
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yep

Originally Posted by Fishin76
You mean 7.5L (a.k.a 460 CI gasoline engine) ?
yep wasnt reading what I was typing but yes 7.5
 
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Old Oct 13, 2009 | 09:21 AM
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And your talking about the voltage regulator for the alternator?
 
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Old Oct 13, 2009 | 09:26 AM
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7.5

Originally Posted by Fishin76
And your talking about the voltage regulator for the alternator?
Yes.trying to help someone on line and not sure about the 86 charging sys, so is it intern or extrern
 
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Old Oct 13, 2009 | 09:34 AM
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Could be either, if a wire harness with a connector plugs into the alternator thru the casing it is a internal. If the back of the alternator has a little silver or black box mounted with two screws that the wire harness plugs into, then it is external.
 
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Old Oct 13, 2009 | 11:21 AM
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Wouldn't the external regulator setup have the regulator mounted on the passenger side fender, near the battery, like the earlier 80s trucks? That's how it is on mine. Has a multi-pin connector that plugs into the fender-mounted regulator, and then there are three or four eyelet and clip-on connectors at the alternator.
 
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Old Oct 13, 2009 | 12:06 PM
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You're right, it is on the pass inner fender, I only had a pic of the external VR. Looked like it mounted to the back of the alt.....

Oh well, I think he has an internal, since my last post, haven't heard anymore about it.
 
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Old Oct 13, 2009 | 02:56 PM
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Your truck should have an external voltage regulator that is mounted on the fender wall.
 
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Old Oct 14, 2009 | 03:23 AM
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My 86 is externally regulated.
 
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Old Oct 14, 2009 | 06:41 AM
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my 86 is internal
 
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