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

Main Relay (Computer/Fuel System): Service and Repair






REMOVE OR DISCONNECT
1. Negative (-) battery cable.
2. Relay box cover from relay box.
3. Main relay from relay box.

INSTALL OR CONNECT
1. Main relay into relay box.
2. Relay box cover to relay box.
3. Negative (-) battery cable. Tighten negative (-) battery cable-to-negative (-) battery terminal.

Legend
1. Main Relay
2. Relay Box