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The General Motors one-wire alternator needs to have only one wire connected to operate. This feature has made this unit popular with car enthusiasts and off-road truck builders. With the proper brackets, this alternator can be used with just about any engine and vehicle combination.
Step 1
Mount the alternator to the engine. It may be necessary to fabricate brackets if they are not available from a speed shop or junkyard. Be certain the belt lines up straight in the pulleys.
Step 2
Disconnect the negative cable from the vehicle battery.
Step 3
Connect a 10-gauge wire from the output stud on the alternator back to the positive battery terminal. Make both connections with a solderless ring terminal. This connection can be made at the starter relay also, as long as it connects to the same terminal as the positive cable from the battery.
Reconnect the negative cable to the battery.
Items you will need
- 10-gauge wire
- Solderless ring terminals
- Solderless terminal crimping tool
