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

Fuel Injector

Control Circuit to Injector 5.0 Ohms

Ground to Injector Control Circuit
(Harness Connector) 100 Ohms

Injector Test
(12 Volts applied to Injector) good if actuates
(With Test light or DRBIII Tool) if no actuation replace injector

Caution: Powering the injector for more than a few seconds will permanently damage the injector. See Computer and Controls System/Injector Control Circuit testing.