Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la
If it fails: lemon-manuals.org.ua

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ML6 - Check For B+ at MIL Bulb/Socket



- Key "ON", engine "OFF".

- Measure voltage from battery negative post to B+ side of Malfunction Indicator Light (MIL) bulb/socket.

- Is voltage greater than 10.5 volts?

Yes -- Go to ML7. ML7 - Check MIL Bulb Response to Grounding

No -- Service open between MIL fuse and MIL bulb. Verify service by turning ignition key to "Run" position.