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Mar 6, 2008 | 04:44 PM

fordriver66

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alternator

i am tryin to figure out if i have a external regulator or internal regulator on my 87'f150 2wd p/u....alternator gets so hot that it just starts smoking like it is catching on fire,,,replaced it twice with the same promblem...300 straight 6 ,,,any help appreciated,,,,,fordriver66

Mar 6, 2008 | 04:47 PM

97HD

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How many wires are coming off it?

Mar 6, 2008 | 10:31 PM

88n94

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Joined: Jan 2004

Posts: 3,118

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From: South Dakota

Quote:

Originally Posted by fordriver66

The alternator on my '88 F-150 with the same engine has an internal voltage regulator. Here is what your problem may be. The electrical connection that plugs into your alternator may not hook on tightly. Some auto parts stores sell a new electrical connector, pigtail of sorts, that they recommend you cut the old connector off and solder the old wires onto that new pigtail connector. This is a very common problem on this vintage F-series trucks.

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