GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 235429  Size: SH
  1. Remove the fuse/relay block 1 cover (1).
  2. Remove the EFI main relay (2) from the fuse/relay block 1.

Installation Procedure


    Object Number: 235429  Size: SH
  1. Install the main relay (2) to the fuse/relay block 1.
  2. Install the fuse/relay block 1 cover (1).