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 logical successor to CHARM, I recommend you try it!

Link: lemon-manuals.la

Main Relay (Computer/Fuel System): Description and Operation

PURPOSE
To supply the Powertrain Control Module (PCM) and its output devices with battery current.

OPERATION
When the ignition switch is turned On, the normally OPEN contact points of the relay CLOSE and supply power to the PCM.