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

--

--

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

--

--

Generator (L35)

RH front of engine

8A-201-13,15

Fig.14,16

202-49,70

--

Generator (L30/L31)

RH front of engine

8A-201-13,20

Fig.14,21

202-49,70

Generator (L29)

RH front of engine

8A-201-13

Fig.14

202-49,70

Generator (L65)

RH front of engine

8A-201-29

Fig.30

202-49,70

Generator (YF2)

LH front of engine

8A-201-13

Fig.14

202-49

Glow Plug Relay

Top RH side of engine

8A-201-28,31

Fig. 29,32

202-68

--

IP Fuse Block

LH lower kick panel

8A-201-65

Fig. 66

202-96

--

Ignition Switch

RH side of steering column

8A-201-61

Fig. 62

202-14

--

Instrument Cluster

LH side of IP

8A-201-50

Fig. 51

202-95

--

Park/Neutral Position Switch

LH side of transmission

8A-201-32,33

Fig. 33,34

202-71,79

--

Starter Motor

RH lower rear of engine

8A-201-19,23

Fig. 20,24

--

--

Starter Relay

Underhood Fuse-Relay Center, LH front of engine compartment

8A-201-44

Fig. 45

202-98

--

Starter Solenoid (L35)

RH lower rear of engine, part of starter

8A-201-15

Fig. 16

Starter Solenoid (L30/L31/L29)

RH lower rear of engine, part of starter

8A-201-18

Fig. 19

--

Starter Solenoid (L65)

RH lower rear of engine, part of starter

8A-201-29

Fig. 30

--

Underhood Fuse-Relay Center

Engine compartment, left fender

8A-201-44

Fig. 45

202-98

CONNECTORS:

C100

LH rear of Engine Compartment at Bulkhead

8A-201-44,65

Fig. 45,66

202-0

--

C115

RH side of Steering Column near Bulkhead

8A-201-12

Fig. 13

202-10

--

C200

Steering column harness at base of column

8A-201-60

Fig. 61

202-14

--

C213

IP harness behind LH side of IP near center of vehicle

8A-201-79

Fig. 80

202-28

GROUNDS:

G100

LH engine compartment, near fender well

8A-201-5

Fig. 6

--

--

G103(L35)

Engine Harness at generator bracket

8A-201-30

Fig. 31

--

G103(L30/L31/L29)

LH front of engine harness A/C compressor

8A-201-24

Fig. 25

--

--

G103(L65)

Engine Harness at generator bracket

8A-201-29

Fig. 30

--

--

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

--

--

GROMMETS:

P101

Under RH side of IP

8A-201-79

Fig. 80

--

--

SPLICES:

S101 (L35)

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

--

--

--

S101 (L30/L31)

Engine Harness, approx. 4 cm from ignition coil breakout toward transmission

--

--

--

S101 (L29)

Engine Harness, approx. 14 cm from fuel injector breakout toward transmission

--

--

--

S101 (L65)

Engine Harness, approx. 22 cm from optical fuel temperature sensor breakout toward C100 breakout

--

--

--

S103 (L35)

Engine harness, approx. 4  cm from fuel injector breakout toward transmission

--

--

S103 (L30/L31)

Engine harness, approx. 10  cm from EGR sensor breakout toward C100

--

--

S103 (L29)

Engine harness, approx. 4  cm from ECT sensor breakout toward knock sensor breakout

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--

S125

Engine Harness, approx. 10 cm into C100 breakout

--

--

--

S152 (L35)

Engine Harness, approx. 16 cm from fuel injector breakout toward G103 breakout

--

--

S152 (L30/L31)

Engine Harness, approx. 4 cm from fuel injector breakout toward G103 breakout

--

--

S152 (L29)

Engine Harness, approx. 5 cm from oxygen sensor breakout toward P101

--

--

S158 (L65)

Engine Harness, approx. 10 cm into C100 breakout

--

--

S216

IP harness, approx. 8  from C200 breakout toward instrument cluster breakout

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