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Engine Control Module: Tools and Equipment

Make sure the following equipment is available:

- DRBII
- Digital Volt/Ohmmeter
- Jumper wires
- Auxiliary vacuum supply hose
- Vacuum gauge
- Volt-Amp-Load Tester

For 1990, Chrysler Corporation has made available to its dealer technicians, a second generation, Chrysler designed diagnostic readout box. The DRB II, as it is called, must be used to gain access to the On-Board Diagnostics that are found on all Chrysler built cars and trucks.