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 logical successor to CHARM, I recommend you try it!

Link: lemon-manuals.la

Pinpoint Test Notes

CAUTION:
^ Do not make jumper connections except as directed. Incorrect connections may damage the voltage regulator test terminals, fuses, or fuse links.
^ Do not allow any metal object to come in contact with the generator housing and internal diode cooling fins.

NOTE: All voltage measurements are referenced to the negative (-) battery post unless otherwise specified.