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Home >> Ford >> 2002 >> Taurus SES, 3.0 S >> Repair and Diagnosis >> External Pages >> Different car >> Section 255 (Generators & Regulators -- F250-F550 Super Duty (Diesel With Dual Generators)) >> On-Vehicle Testing >> Generator No-Load Test

Generator No-Load Test

WARNING: This page is about a different car, the 2003 Ford Pickup, 2003 Ford F550 Super Duty, 2003 Ford F450 Super Duty, and 2003 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

Connect a voltmeter positive lead to B+ terminal on generator(s) and negative lead to ground. Start and run engine at 2000 RPM, with all accessories off. Read voltmeter when voltage stabilizes. Voltage should be 13.0-15.5 volts. If voltage is not as specified, repair by symptom. See SYMPTOM INDEX  table under SYSTEM TESTS.

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