Connector Identification
NOTE:
Harness connectors shown do not apply to every vehicle. Some connectors are model specific, depending upon equipment application. For connector identification, refer to appropriate illustrations. See Fig 1-Fig 15
.
Fig 1: Identifying PCM 80-Pin Harness Connector (C1 & C2) Terminals (2.2L & 4.3L - Except "C" & "K" Series)
Fig 2: Identifying PCM 80-Pin Harness Connector (C1 & C2) Terminals (3.8L, 4.3L "C" & "K" Series, 4.8L, 5.0L, 5.3L, 5.7L & 6.0L)
Fig 9: Identifying Tow/Haul Switch Harness Connector Terminals (Envoy, & "C", "K", "L" & "M" Series)