ELECTRONICS GP-MONITOR 4893461 - Caterpillar

The new CDIS are adaptable to earlier G3408 (6NB1-1924, 6RJ1-66) and G3412 (7DB1-1481) Engines. Chart B provides part numbers for the CDIS retrofit kits for earlier engines. Chart B also provides the part numbers for the alternator kits, for use on self-powered installations (when an external 24 VDC power source is not available or not desired).
The Reference Special Instructions have been released to assist in mounting and setup of the ignition controller. Special Instruction, REHS0476, "Installation Instructions for the CAT Digital Ignition System for the G3408 and G3412" is included in the retrofit kits and discusses the installation of hardware to convert magneto ignition engines to CDIS. This Special Instruction also covers ignition timing adjustment and ignition system troubleshooting.
Special Instruction, REHS0486, covers the mounting procedure for the ignition controller, and will be shipped with each new engine. This Special Instruction also covers ignition timing adjustment and ignition system troubleshooting.