Usualy there are 4 wires one wire is from the casing which goes to the negative terminal of the battery then out of the other 3 wires one is the field wire which you should connect to positive but make sure you put a basic on off switch turn switch on when starting alternator turn off once running and leve off when not in use.
Cable connecting battery to alternator.
The other two wires go to the positive terminal of batery if.
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A battery that refuses to take a charge is one sign of a bad ground.
Only 2 left in stock order soon.
How to connect alternator to battery.
Install a jumper from pin f in harness plug to b terminal on alternator.
With a one wire install simply connect the charge wire from to alternator battery post left to the battery.
The ground is a major part of the battery s charging system so assuming that you re getting proper voltage output from the alternator wire and the battery isn t hashed then you may be looking at a bad ground wire.
Tuff stuff does recommend upgrading the charge wire to a larger gauge smaller number as the factory wiring might not be capable of carrying the extra amperes without melting.
Turn on battery switch.
Connect b battery cable to alternator.
This connector is manufactured so it may be inserted into the connector socket on the alternator one way only.
Spartan power battery cable 2 foot 4 gauge awg wire set 5 16 m8.
Acdelco 20943125 gm original equipment alternator battery jumper cable.
And connect the red wire to the output side of the alternator 10 32 stud take the long wire and connect to the side of the coil.