Diagram 121/4 (Tracks 29-42)

IMPORTANT NOTE:
This manufacturer uses "Track" style wiring diagrams.
For information on how to use these diagrams effectively, please refer to Diagram Information and Instructions. Diagram Information and Instructions


Engine Control Module (ECM), Motronic Engine Control Module (ECM) Power Supply Relay





ws = white
sw = black
ro = red
br = brown
gn = green
bl = blue
gr = grey
li = lilac
ge = yellow
or = orange
rs = pink

J271 - Motronic Engine Control Module (ECM) Power Supply Relay Overview of Relay Carrier

J623 - Engine Control Module (ECM) Control Modules Overview

SC21 - Fuse 21 (on fuse panel C) Fuse Overview

SC30 - Fuse 30 (on fuse panel C) Fuse Overview

T17a - 17-Pin Connector, black, in electronics box plenum chamber Connector Stations and Connectors Overview, in E-Box Plenum Chamber

T17b - 17-Pin Connector, green, in electronics box plenum chamber Connector Stations and Connectors Overview, in E-Box Plenum Chamber

T17c - 17-Pin Connector, brown, in electronics box plenum chamber Connector Stations and Connectors Overview, in E-Box Plenum Chamber

T17d - 17-Pin Connector, blue, in electronics box plenum chamber Connector Stations and Connectors Overview, in E-Box Plenum Chamber

T94 - 94-Pin Connector, black (Connector B), on engine control module (ECM)

(43) - Ground Connection (on right lower A-pillar) Ground Connections In Passenger Compartment

(85) - Ground Connection 1 (in engine compartment wiring harness)

(387) - Ground Connection 22 (in main wiring harness)

(B147) - Plus Connection 2 (87) (in interior wiring harness)

(B303) - Plus Connection 7 (30) (in main wiring harness)

(B305) - Plus Connection 9 (30) (in main wiring harness)

* - Relay carrier electronics box, plenum chamber

# - Through August 2007

## - From September 2007

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