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Home >> Mercury >> 2008 >> Milan Base, 3.0 1, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 483 (Charging System - General Information - F250-F550 Super Duty) >> Diagnosis And Testing >> Charging System - Single Generator >> Component Tests >> Generator On-Vehicle Tests

Generator On-Vehicle Tests

WARNING: This page is about a different car, the 2006 Ford Pickup, 2006 Ford F550 Super Duty, 2006 Ford F450 Super Duty, and 2006 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION: To prevent damage to the generator, do not make the jumper wire connections except as directed.
CAUTION: Do not allow any metal object to come in contact with the housing and the internal diode cooling fins with the key in the ON or OFF positions. A short circuit may result and burn out the diodes.
NOTE: Battery posts and cable clamps must be clean and tight for accurate meter indications.
NOTE: Refer to the battery tester's manual for complete directions for testing the charging system.
  1. Turn off all of the lamps and the electrical components.
  2. Place the transmission in NEUTRAL and apply the parking brake.
  3. Carry out the Load Test and No Load Test according to the following component tests:
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