LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Fiat >> 1982 >> Spider Automatic Trans >> Repair and Diagnosis >> Electrical >> Charging Systems >> Alternators - BOSCH >> On-Vehicle Testing >> Output Test
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Output Test

  1. Disconnect terminal plug from rear of alternator and connect ammeter in series between alternator center terminal and corresponding socket in terminal plug. Connect a jumper lead between the "D+" terminal and its corresponding socket in terminal plug.
  2. Start engine and run at approximately 3000 RPM. Turn on headlights and leave on for 5 minutes. Ammeter should read maximum alternator amperage at normal operating temperature.