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

With ARBST Tester

1. Switch Alternator, Regulator, Battery and Starter Tester (ARBST) 010-00725, or equivalent, to ammeter function, then connect positive and negative leads to battery.
2. Connect current probe to alternator "B+" output lead.
3. With engine running at 2000 RPM, adjust ARBST load bank to determine alternator output.
4. Alternator is functioning properly if total alternator output is more than specified. Specifications
5. If amperage is below specifications, refer to Voltage Test. Voltage Test