Main Relay
WARNING: This page is about a different car, the 2003 Isuzu Rodeo Sport, 2003 Isuzu Rodeo, and 2003 Isuzu Axiom. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Main relay can also be referred to as PCM or ECM relay.
This 4-terminal relay is located in underhood fuse/relay box. Main relay is used for PCM power control. For terminal identification, see WIRING DIAGRAMS .