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)

Or, hide this message: temporarily or permanently

Optional Tools and Equipment





Distributorless Ignition System Tester (Rotunda 007-0075A, or equivalent)

EI Diagnostic Harness:





EDIS System Adapter (Rotunda 007-00059, or equivalent) Overlay and Cable for use with 60 Pin Breakout Box only.





10 Mega-Ohm Multimeter (Rotunda 105-00050, or equivalent)





Tachometer Adapter (Rotunda 007-00061, or equivalent)

EFI Pressure Gauge:





MFI Pressure Gauge (Ford T80L-9974-B, or equivalent)





DIS Timing Light (Rotunda 059-00014, or equivalent)

Spark Tester:





Spark Tester (Ford D81P-6666-A, or equivalent)





Non-Powered Test Light