Will any alternator work on any car?
All cars with an internal combustion engine except for some hybrids have an alternator. When an engine is running, the alternator charges the battery and supplies additional electric power for the vehicle’s electrical systems. Replacing an alternator with a new OEM part is expensive, but there are alternatives.
Can you test alternator while still on engine?
Have them test the output but factor back in that there will be a drop in output when the alternator is back on the Perkins and running hot. If you test the alternator while still on the engine do not disconnect a battery cable with the Perkins running.
Can a one wire alternator be installed on a Perkins?
How to install a one wire alternator. Installing our 105 amp Perkins replacement alternator is simple. Remove the old one wire alternator and install the Foley Hytork alternator, running as before wire from the positive position the battery to the large output terminal on the alternator.
Can a weak alternator be a bad thing?
Weak alternators were probably fine back in the day, but it can spell trouble in a marine application.
How can I tell if my alternator needs to be replaced?
Also check all wiring between the alternator and battery to confirm wires are in good shape, without cuts, kinks, or visible signs of corrosion. Have an assistant rev the engine up to around 1500 rpms to see if voltage output increases. If it stays the same, the alternator is probably to blame.
When to use battery light to test alternator?
The other critical tool to effectively diagnose an alternator is a scan tool. On older vehicles, the battery light would turn on the alternator light when the alternator output or battery voltage dropped below a preset value. The battery light on modern vehicles, however, is controlled by data and trouble codes.
How many volts should an alternator be putting out?
How many volts should an alternator be putting out? Most automotive batteries are lead acid 12-volt DC (Direct Current). Each of the six cells in a 12-volt DC battery produces 2 to 2.1 volts. When the engine is running, the alternator will typically put out between 13.8 to 14.8 volts.
How to install a one wire alternator. Installing our 105 amp Perkins replacement alternator is simple. Remove the old one wire alternator and install the Foley Hytork alternator, running as before wire from the positive position the battery to the large output terminal on the alternator.