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Re: Autolite Voltage Regulator
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Posted by Jon H on December 31, 2003 at 17:37:42 from (69.26.18.4):
In Reply to: Autolite Voltage Regulator posted by Richard Fazio on December 31, 2003 at 15:39:44:
Your description tells me that the fellow that did the alternator conversion on your Farmall used a regulator designed for the Delco external regulator alternator(Terminals marked F-2-3-4),as an Autolite regulator whould have terminals marked (I-A+-S-F).
No problem, the specs are close enough that a Delco regulator will do a good job controlling that Autolite alternator.
1 just hook the regulator #3 terminal to switched 12 volt power.
2 hook the regulator F terminal to the FLD stud on the alternator.
3 Run a ground wire from the ground stud on the alternator to one of the mounting bolts on the regulator.
If the FLD wire is shorted to ground anywhere between the regulator amd alternator,it will instantly destroy the regulator. Using a salvage yard regulator plug at the regulator will help prevent shorting the F terminal at the regulator. Also before installing your new regulator,you should check your alternators FLD/rotor terminal for excessive current drain. The rotor can be partially shorted which will burn out the new regulator. A small 12 volt battery charger((6-10 amp) works well.
Remove the FLD wire from it's alternator stud and connect the chargers pos clip to the FLD stud.Connect the chargers NEG clip to the alternator case. The chargers guage should read between 2-4 amps max. If it alternator passes this test,you should be OK to install the new regulator.
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