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July 1, 2015 Service bulletin

Powernet Troubleshooting Guide: Batteries, Path, Alternator, and Starter For all battery, charging, or...

Western Star technical service bulletin 54-57 for 2000 Western Star 5900.

Bulletin number
54-57
Component
Electrical system
Summary
Powernet Troubleshooting Guide: Batteries, Path, Alternator, and Starter For all battery, charging, or starting issues: 1. Print out the "Powernet Assessment Worksheet," found at the end of this bulletin. 2. Use the "Powernet Assessment Detail Section" to understand and master the worksheet. The detail section, starting on page 2, breaks the worksheet down step by step. 3. Perform each line of the worksheet in order, recording the initial value of each check before performing repairs. Repair issues as they are found, then recheck. Complete the entire worksheet even if the original issue seems to be resolved. 4. Once all the checks in the "Powernet Assessment Worksheet" have been completed, if a starting issue persists, use the "Troubleshooting the Starting System" section near the end of this bulletin.

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