What is the alternator output terminal connected to?
B terminal – Main alternator output terminal (connected to the battery) F terminal – Full-field bypass for regulator.
Where does that wire hook up to the alternator?
Jun 13, · Took it into the alternator shop the guy said it was fine read out at There is a purple wire that runs to the alternator and it looks like it has a diode on or something on it. Where does that wire hook up to, my wiring diagram isnt the best of photos to trace it. .
What does the exciter do on an alternator?
The other terminal is the exciter. This is what excites the field of the alternator. The following diagram shows the wiring for a typical 3-wire. Does anybody have a wiring diagram for a GM 3 wire alternator?
How many volts does an alternator put out at idle?
After the engine.May 01, · With the engine running at idle, my alternator is putting out 14 or so volts. However, the exciter wire is only putting out about 8 volts. Is this a sign the alternator is about to quit?
What kind of alternator does a farm tractor use?
Over the years many farm tractors have been fitted with the 10SI alternator. The kits that I offer use a new 63 amp Delco 10SI cloned alternator. Each kit comes with a mounting bracket, tightener bracket, correct size pulley, diode/exciter wire, and wiring instructions and wiring diagrams.
Where are the wire connectors on an alternator?
Inspect the back and sides of the alternator to locate the two wire connectors. One of the connectors is typically a threaded bolt protruding from the back (the opposite end from the pulley) that a wire with a boot on the connecting end is snapped onto.
What happens when you remove wire from alternator?
This permits power to begin flowing through the alternator as well as the other components of the car. Always mark each wire that you remove from an old alternator, if necessary, to ensure you can easily replace the wires in the correct connectors when you install the replacement alternator.
How to install an alternator on a tuff battery?
ALTERNATOR INSTALLATION INSTRUCTIONS 1 – Disconnect the ground cable from the battery. 2 – Disconnect all wire connections from the alternator and label wires for future replacement. 3 – Remove alternator belt(s). 4 – Loosen alternator mounting and tension arm bolts. 5 – Hold the alternator securely while removing the mounting bolts and spacers.
Can a JEGS alternator be used for a warning light?
However, certain JEGS alternators noted below have terminals that may be used for a warning light. To wire a warning light using one of these alternators, simply remove the terminal plug cover and connect the R ( Left terminal, looking from the back of the alternator) to the warning light wire.