GM Service Manual Online
For 1990-2009 cars only

Engine Electrical Components Engine Electrical Components

Name

Location

Locator View

Connector End View

Battery

RH side of the engine compartment

Engine Electrical Component Views

--

Data Link Connector

Below LH side of the I/P, right of steering column

Data Link Communications Components in Wiring Systems

Data Link Communications Connector End Views in Wiring Systems

Fuse Block

RH side of I/P, in RF door opening

Power and Grounding Components in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Generator

Top rear RH side of engine

Engine Electrical Component Views

Engine Electrical Connector End Views

Ignition Switch

Mounted in I/P, RH side of instrument cluster

Power and Grounding Components in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Instrument Cluster

Top of I/P, above the steering column

Instrument Panel, Gages, and Console Component Views in Instrument Panel, Gauges and Console

Instrument Panel, Gages, and Console Connector End Views in Instrument Panel, Gauges and Console

Powertrain Control Module (PCM)

Front LH side of engine, inside air cleaner assembly

Engine Controls Component Views in Engine Controls - 3.8L

Powertrain Control Module Connector End Views in Engine Controls - 3.8L

Splice Pack SP205

Below I/P, taped in harness, RH side of steering column

--

Data Link Communications Connector End Views in Wiring Systems

Starter Motor

Lower front of engine

Engine Electrical Component Views

--

Starter Solenoid

On top of starter motor, lower front of engine

Engine Electrical Component Views in Engine Electrical

--

Transaxle Range Switch

LH of transaxle, below the throttle body

Engine Controls Component Views in Engine Controls - 3.8L

Engine Controls Connector End Views in Engine Controls - 3.8L

Underhood Accessory Wiring Junction Block

RH side of engine compartment, mounted to strut tower

Power and Grounding Components in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

C101

I/P wiring harness to engine wiring harness, LH side of engine compartment, near strut tower

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C183

I/P wiring harness to engine wiring harness, LH side of engine compartment, near strut tower

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G100

RH side of engine compartment, at base of the battery

Harness Routing Views in Wiring Systems

--

G110

Lower LH front of engine, bolted on engine block, next to transaxle cooler lines (w/ RPO LX5 Only)

Harness Routing Views in Wiring Systems

--

G113

Lower LH front of engine, on the transaxle stud

Harness Routing Views in Wiring Systems

--

P100

Lower RH side of dash panel

Harness Routing Views in Wiring Systems

--

S228

I/P wiring harness, RH side of I/P, between fuse block and fuse block breakout, approximately 13 cm (5 in) from fuse block breakout

--

--

S234

I/P wiring harness, LH side of I/P, between hazard warning switch breakout and data link breakout, approximately 8 cm (3 in) left of data link breakout

--

--