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 or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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Precautions For Installing Mobile Communication Equipment

Precautions for Installing Mobile Communication Equipment

When installing mobile communication equipment such as CB (Citizens-Band)-radio or cellulartelephone, be sure to observe the following precautions. Failure to follow cautions may adversely affect electronic control system.
^ Keep the antenna as far away as possible from the vehicle s electronic control unit.
^ Keep the antenna feeder more than 20 cm (7.9 in.) away from electronic control unit and its wire harnesses.
^ Do not run the antenna feeder parallel with other wire harnesses.
^ Confirm that the antenna and feeder are correctly adjusted.