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Testing Coding Plug

Testing coding plug





Remove coding plug (R 29)
- production date (a),
- part number (b),
- jack designation (c).

Note: There is no jack designation A-G on some coding plugs. Check these coding plugs as shown on illustration.

Connect ohmmeter and check resistance values (refer to table), renew coding plug (R 29) if values are deviating.

Test Table - Resistance Values: