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Chevrolet Silverado / GMC Sierra. Manual - part 1575
GROUNDS
GROUNDS LOCATION
SPLICES
SPLICES LOCATION
X800 (Crew Cab) (Black, 16
Pin)
Body harness to right rear door, in right "B" pillar. See Fig.
75.
X800 (Extended Cab) (Black,
12 Pin)
Right rear door to body harness, in right "B" pillar. See Fig.
73.
Component
Location
G100
On lower left radiator support. See Fig. 50.
G101
On lower right radiator support. See Fig. 50.
G102
On lower left front of engine. See Fig. 51.
G102 (6.6L)
On lower left front of engine. See Fig. 61.
G103
On front of right cylinder head. See Fig. 52.
G104
Front of left cylinder head. See Fig. 53.
G106 (4.3L) (3)
Right rear of engine. See Fig. 84.
G106 (6.6L)
Lower left side of engine. See Fig. 61.
G107
Top left rear of engine. See Fig. 53.
G108
On left side of firewall. See Fig. 53.
G110
Left side of firewall. See Fig. 53.
G111
On left side of firewall. See Fig. 53.
G200
On right front corner of HVAC module. See Fig. 31.
G201
Upper left corner of dash. See Fig. 54.
G300
Below driver's door, on body mount. See Fig. 55.
G301
Below left side of passenger's seat. See Fig. 56.
G302
Below right side of passenger's seat. See Fig. 56.
G303
On lower left "B" pillar. See Fig. 56.
G304
On lower right "B" pillar. See Fig. 56.
G307
At right rear corner of passenger compartment. See Fig. 75.
G401
On left rear body mount. See Fig. 77.
Component
Location
2008 Chevrolet Silverado 1500
2008 GENERAL MOTORS Sierra & Silverado
JX221
(Splice
Pack)
In the I/P harness, behind left side of dash.
JX223
(Splice
Pack)
In I/P extension harness, behind left side of dash.
JX339
(Splice
Pack)
In body harness, below passenger seat.
J100
In forward lamp harness, 7 cm from ambient air temperature sensor breakout.
See Fig. 63.
J101
In forward lamp harness. See Fig. 63.
J102
(GMC)
In left headlamp harness.
J103
(GMC)
In right headlamp harness.
J104 (1)
In engine harness, 5 cm from engine control module connector breakout. See
Fig. 111.
J105 (4)
In engine harness, 12 cm from ECT sensor breakout. See Fig. 64.
J106 (4.3L)
(5)
In engine harness, 23 cm from MAP sensor breakout. See Fig. 64.
J106 (4.8L,
5.3L, 6.0L
& 6.2L)
In engine harness, 23 cm from MAP sensor breakout. See Fig. 66.
J107
In ignition coil jumper harness, between ignition coils 5 & 7.
J108
In ignition coil jumper harness, between ignition coils 5 & 7.
J109
In ignition coil jumper harness, 5 cm from X111 breakout.
J110
In ignition coil jumper harness, between ignition coils 4 & 2.
J111
In ignition coil jumper harness, between ignition coils 4 & 2.
J112
In ignition coil jumper harness, 5 cm from X111 breakout.
J113 (2)
In I/P harness, in X103 breakout 7 cm from main harness assembly. See Fig.
67.
J116
In automatic transmission harness, 12 cm from 1-2 shift solenoid valve
breakout.
J125
In transmission harness.
J127
In PTO jumper harness.
J128 (3)
In engine harness. See Fig. 64.
2008 Chevrolet Silverado 1500
2008 GENERAL MOTORS Sierra & Silverado
J129
In PTO jumper harness.
J130 (6)
In engine harness. See Fig. 64.
J132 (4)
In engine chassis harness. See Fig. 111.
J133 (PTO)
(5)
In engine chassis harness. See Fig. 111.
J134
(Diesel)
In engine harness.
J135
(Diesel)
In engine harness.
J136
(Diesel)
In engine harness.
J137
(Diesel)
In engine harness.
J138
In PTO jumper harness.
J139
In PTO jumper harness.
J140
In PTO jumper harness.
J141
In PTO jumper harness.
J142
In PTO jumper harness.
J143
In transmission harness.
J144
In transmission harness.
J145
In auxiliary battery harness.
J171
(Diesel)
In engine harness.
J175
(Diesel)
In engine harness.
J200
In I/P harness, 14 cm from left I/P junction block breakout. See Fig. 69.
J201
In I/P harness, in headlight & dimmer switch breakout. See Fig. 69.
J203
In I/P harness, 13 cm from radio connector breakout. See Fig. 69.
J204
In instrument panel harness, 19 cm after radio connector breakout.
J206
In I/P harness, 14.5 cm from X200 breakout. See Fig. 69.
J207
In instrument panel harness, in transfer case shift control module connector
breakout. See Fig. 69.
J209 (5)
In fuse block jumper harness. See Fig. 112.
J210 (8)
In fuse block jumper harness. See Fig. 112.
J211 (9)
In fuse block jumper harness. See Fig. 112.
J212
In steering column harness.
2008 Chevrolet Silverado 1500
2008 GENERAL MOTORS Sierra & Silverado
J213
In steering column harness.
J214
In steering wheel harness, 4 cm from inflatable restraint steering wheel module
coil X2.
J215
In steering column harness.
J216
In the steering column harness.
J217
In steering wheel harness, 9 cm from inflatable restraint steering wheel module
coil X2.
J218
In steering wheel harness, 9 cm from inflatable restraint steering wheel module
coil X2.
J219 (4)
In fuse block jumper harness. See Fig. 112.
J220
In fuse block jumper harness.
J222
In instrument panel harness.
J223 (1)
In steering wheel harness. See Fig. 68.
J224 (3)
In fuse block jumper harness. See Fig. 112.
J227
In SPO theft harness.
J228
In SPO theft harness.
J229
In SPO theft harness.
J300
In chassis harness, 15 cm from G300 breakout. See Fig. 77.
J301
In body harness. See Fig. 75.
J302
In body harness, 22 cm from G301 breakout. See Fig. 73.
J303
In body harness, 30 cm from G301 breakout below center console. See Fig.
71.
J304
In body harness, 14 cm from passenger seat in-line connector breakout. See
Fig. 71.
J305 (-
AG1)
In driver seat harness, 12.5 cm from driver seat belt buckle.
J305
(+AN3)
In driver seat harness, 4 cm in X303 breakout.
J306
In driver seat harness, 20 cm from X303.
J309
In driver seat harness, 20 cm from X303.
J310
In driver seat harness, 5 cm from driver seat adjuster assembly.
J311
In driver seat harness, 5 cm from memory seat module X4 breakout.
J312
In driver seat harness, 5 cm from driver seat belt buckle.
J314
In passenger seat harness, 20 cm from X305.
J316
In passenger seat harness, 5 cm from X305 breakout.
2008 Chevrolet Silverado 1500
2008 GENERAL MOTORS Sierra & Silverado
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