Impala V8-5.3L (2008)
Main Relay (Computer/Fuel System): Locations
IGN MAIN RELAY
The Ign Main PCB relay is located in the Underhood Fuse Block (1). The Underhood Fuse Block (1) is located on the right side of the engine
compartment, mounted to the strut tower.
IMPORTANT: This relay is a Printed Circuit Board (PCB) relay, and is only repaired by replacing the Underhood Fuse Block.
