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Re: Alternator output question ???
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Posted by Glen in TX on September 22, 2006 at 10:21:46 from (208.246.9.20):
In Reply to: Alternator output question ??? posted by Way Up Here on September 22, 2006 at 09:48:40:
Sounds like a Delco 10DN Delcotron. Many of those later 10DN used regulators that had slide on plugs and others didn't. F is field terminal and R is relay terminal hooked to # 2 on some regulators or GEN post on others. When the terminals on regulator are facing you the coil on left is the cut out relay and coil on right is for voltage regulating. It's putting out too much and should only be 12-14.5 V output at battery. Contacts can be cleaned some and see if air gaps are about .020 or less. The screw on right voltage regulating coil can be turned CCW, counter clockwise to decrease voltage setting or CW to increase voltage. Always set the cover back on regulator after adjustments before checking then. You also want to make sure it's polarized and with engine shut off and all connections made connect a jumper lead by flashing it between the Battery terminal of regulator and Armature terminal of generator. This gives a little surge of current thru generator correctly polarizing it. Reverse polarity will cause arcing burning out relay points in regulator and burning brushes and can burn up wiring also.
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