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)

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Early Models

Electronic Control Unit:





1. Open the hood and disconnect the negative battery cable.
2. Remove the Engine Control Unit (ECU) ground cable and mounting hardware.
3. Remove the ECU from the vehicle.
4. Disconnect the ECU harness from the ECU.
5. Connect the harness to the ECU.
6. Position the ECU in the vehicle.
7. Install the mounting hardware and ground cable.
8. Reconnect the negative battery cable and close the hood.