GM Service Manual Online
For 1990-2009 cars only
Figure 1:

Electronic Power Steering Harness, Underhood Side


Object Number: 1381493  Size: MF
(1)EPS Inline Fuse Holder
(2)PSCM Harness Connection to the Underhood Fuse Block
(3)Electronic Brake Control Module (EBCM)
Figure 2:

Electronic Power Steering Harness, I/P Side


Object Number: 1381492  Size: MF
(1)G207
(2)Power Steering Control Module (PSCM)
(3)Power Steering Control Module (PSCM) C3 - EPS Motor Pigtail
(4)Power Steering Control Module (PSCM) C1