GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Group No.

Auxiliary Battery

LH frame rail, center of vehicle

8A-201-7

Fig. 8

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Battery

Front RH side of engine compartment

8A-201-5,6

Fig. 6,7

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Battery Junction Block

Front RH side of engine compartment, nest to the radiator

8A-201-6

Fig. 7

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--

Generator

RH front of engine

8A-201-12

Fig.13

202-46,65

--

Glowplug Controller

Top RH side of engine

8A-201-27,30

Fig. 28,31

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--

I/P Fuse Block

LH lower kick panel

8A-201-64

Fig. 65

202-90

--

Ignition Switch

RH side of steering column

8A-201-60

Fig. 61

202-11

--

Instrument Cluster

LH side of I/P

8A-201-49

Fig. 50

202-89

--

Park/Neutral Position Switch

LH side of transmission

8A-201-31,32

Fig. 32,33

202-66,73

--

Starter Motor

RH lower rear of engine

8A-201-18,22

Fig. 19,23

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--

Starter Relay

Underhood Fuse-Relay Center, LH front of engine compartment

8A-201-43

Fig. 44

202-92,94,97

--

Starter Solenoid

RH lower rear of engine, part of starter

8A-201-18

Fig. 19

Underhood Fuse-Relay Center

Engine compartment, left fender

8A-201-43

Fig. 44

202-92,94,97

CONNECTORS:

C100

LH rear of Engine Compartment at Bulkhead

8A-201-18

Fig. 19

--

--

C115

RH side of Steering Column near Bulkhead

8A-201-12

Fig. 13

202-10

--

C200

Steering column harness at base of column

8A-201-59

Fig. 60

202-11

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GROUNDS:

G100

LH engine compartment, near fender well

8A-201-43,64

Fig. 44,65

200-0

--

G103(L29/L30/L31)

LH front of engine harness A/C compressor

8A-201-23

Fig. 24

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--

G103(L35)

Engine Harness at generator bracket

8A-201-14,23

Fig. 15,24

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--

G103(L65)

Engine Harness at generator bracket

8A-201-29

Fig. 30

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--

G110

RH engine compartment, near negative battery post

8A-201-6

Fig. 7

--

--

G300

LH frame rail near aux. battery

8A-201-7

Fig. 8

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SPLICES:

S101 (L35)

Engine Harness, approx. 20 cm from knock sensor breakout toward EBCM

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S101 (L30/31)

Engine Harness, approx. 4 cm from fuel injector harness breakout toward ignition coil breakout.

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S101 (L29)

Engine Harness, approx. 4 cm from MAF sensor breakout toward generator breakout.

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--

S101 (L65)

Engine Harness, 40 cm from injection pump encoder breakout toward C100 breakout

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--

--

S125

Engine Harness, approx. 4 cm into C100 breakout.

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--

--

S216

I/P harness, approx. 8  from C200 breakout toward instrument cluster breakout

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