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Home >> Ford >> 2000 >> Excursion 5.4 L, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Charging System - Single Generators & Regulators - Single Diesel) >> On-Vehicle Testing >> No-Load Test

No-Load Test

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Connect voltmeter positive lead to B+ terminal on generator and negative lead to ground. Start engine and bring to normal operating temperature (it takes at least 2 minutes for glow plugs to time-out). Run engine at 2000 RPM with all accessories off. Read voltmeter when voltage stabilizes. This may require waiting a few minutes. Voltage should be 13-15 volts.