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

Electronic/Engine Control Module (ECM)

Wiring Diagram:

A6 Diagnostic Test
A10 "Service Engine Soon" Light Control
C2 System Ground
C5 TCC Control
C6 Cold Advance Relay Control

Wiring Diagram:

A12 5 Volt Reference
A1 MAP Signal
C1 Sensor Ground
A2 TPS Signal
A3 CTS Signal
A8 Engine Speed Signal
A9 VSS Signal

Wiring Diagram:

C16 Battery Feed
C14 Ignition Feed
C11 EGR Vent Solenoid Control
C10 EGR Solenoid Control
C12 EPR Solenoid Control