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

The following equipment is optional, but helpful, in diagnosing and repairing the Electronic Engine Control (EEC-IV) system.

Super Star II Tester:





Super STAR II Tester (Rotunda 007-00028, or equivalent)

EEC-IV Monitor Box:





EEC-IV Monitor Box (Rotunda 007-00018, or equivalent)

EEC-IV Monitor Recorder:





EEC-IV Monitor Recorder (Rotunda 007-00021, or equivalent)

Integrated Relay Controller Module Tester:





Integrated Relay Controller Module Tester (Rotunda 007-00050, or equivalent)

EFI Pressure Gauge:





EFI Pressure Gauge (Ford T80L-9974-A, or equivalent)

Spark Tester:





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





Timing Light (Rotunda 059-00006, or equivalent)





Non-Powered Test Light