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April 1, 2022 Service bulletin

This Technical Instruction describes how to upgrade the Delco alternator indicator lamp ring terminal.

Mci technical service bulletin ITS60378 for 2016-2022 Mci D4500 and 2021 Mci D4000istv.

Bulletin number
ITS60378
Component
Electrical system
Summary
This Technical Instruction describes how to upgrade the Delco alternator indicator lamp ring terminal.

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