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Component Locations

CENTRAL CONTROL MODULE & DATA LINK COMMUNICATIONS COMPONENT LOCATIONS

Component Location
Central Control Module (CCM) Behind center I/P, behind radio control head. See Fig 1 .
Data Link Connector (DLC) Below left side of I/P, right of steering column. See Fig 2 .
Defogger Relay Behind left I/P, right of steering column. See Fig 3 .
Delayed Accessory Bus (DAB) Relay Behind left I/P, left of steering column. See Fig 3 .
Diagnostic Energy Reserve Module (DERM) Behind right I/P, left of I/P fuse block. See Fig 4 .
Door Ajar Switch, Left In rear of door near latch. See Fig 5 .
Door Ajar Switch, Right In rear of door near latch. See Fig 5 .
Door Key Switch, Left In rear of door attachment to lock cylinder housing. See Fig 5 .
Door Key Switch, Right In rear of door attached to lock cylinder housing. See Fig 5 .
Electronic Brake & Traction Control Module (EBTCM) Left cargo compartment in storage compartment. See Fig 6 .
Engine Control Module (ECM) (VIN J) Left rear engine compartment above battery. See Fig 7 .
Fuel Gage Sender Rear of vehicle in fuel tank. part of fuel tank unit.
Fuel Tank Unit Rear of vehicle attached to top of fuel tank.
Hatch Ajar Switch (Coupe) Rear of cargo compartment, near latch assembly. See Fig 8 .
Heater/Vent/Air Conditioning (HVAC) Programmer (With C68 Only) Below left I/P, right of steering column on bulkhead. See Fig 9 .
Horn Relay Bottom right side of I/P, accessible with door open. See Fig 4 .
I/P Fuse Block Far side of I/P, accessible with door open. See Fig 4 .
Ignition Lock Cylinder Right side of steering column.
Key Resistor Pellet In ignition key.
Key Resistor Sensing Terminals Right side of steering column, in ignition lock cylinder. See Fig 10 .
Key-In-Ignition Switch Right side of steering column, on ignition lock cylinder. See Fig 10 .
Light Switch Left side of I/P, left of instrument cluster. See Fig 11 .
Low Oil Level Switch (VIN J) Lower right side of engine in oil pan. See Fig 12 .
Low Oil Level Switch (VIN P) Lower left rear of engine, forward of oil filter in oil pan. See Fig 13 .
Oil Pressure Switch (VIN J) Lower right front of engine below oil filter. See Fig 14 .
Oil Pressure Switch (VIN P) Top rear of engine. See Fig 15 .
Passive Keyless Entry (PKE) Module Behind center I/P, behind driver information center (DIC). See Fig 2 .
Powertrain Control Module (PCM) (VIN P) Left rear engine compartment above battery. See Fig 7 .
Radio Frequency (RF) Choke Behind center I/P, taped in I/P harness, in central control module (CCM) conn C2 branch. See Fig 2 .
Seat Belt Switch Left passenger compartment, part of driver seat belt buckle assembly. See Fig 16 and Fig 17 .
Starter Enable Relay Behind left I/P, left of steering column. See Fig 3 .
Tone Generator Behind Center I/P, behind driver information center. See Fig 2 .
C204 (11 Cavities) I/P harness to turn/hazard switch assembly, below left I/P on steering column near ignition switch conns. See Fig 10 .
C209 (23 Cavities) I/P harness to front body harness, behind right I/P near I/P fuse block. See Fig 4 .
C210 (10 Cavities) I/P harness to front body harness, behind right I/P near I/P fuse block. See Fig 4 .
C237 (23 Cavities) I/P harness to engine harness, behind right I/P near I/P fuse block. See Fig 4 .
C238 (10 Cavities) I/P harness to engine harness, behind right I/P near I/P fuse block. See Fig 4 .
C239 (10 Cavities) I/P harness to engine harness, behind right I/P near I/P fuse block. See Fig 4 .
C400 (10 Cavities) Front body harness to ABS harness, left cargo compartment in storage compartment. See Fig 6 .
C426 (10 Cavities) (Convertible) Front body to rear body harness, right cargo compartment above wheelhouse. See Fig 18 .
C426 (10 Cavities) (Coupe) Front body harness to rear body harness, right cargo compartment above wheelhouse. See Fig 8 .
C450 (4 Cavities) Rear body farness to fuel tank unit jumper harness, rear of cargo compartment rear of fuel tank. See Fig 19 .
G105 (VIN J) Left rear of engine on bell housing. See Fig 12 .
G106 (VIN J) Right rear of engine on bell housing. See Fig 12 .
G106 (VIN P) Left rear of engine near oil filter. See Fig 7 .
G109 (VIN P) Right rear of engine compartment, near wheelhouse on frame rail. See Fig 20 .
G401 (Convertible) Right cargo compartment behind passenger seat. See Fig 18 .
G401 (Coupe) Right cargo compartment on halo near top of seat. See Fig 8 .
S130 (VIN P) Engine harness, right rear engine compartment in front of blower motor, about 8 cm from blower motor conn breakout.
S148 (VIN J) Engine harness, rear of engine about 4 cm right of G105 breakout.
S201 I/P harness, behind left I/P about 4 cm. left of C100A.
S212 I/P harness, behind left I/P about 5.5 cm. left of driver information center (DIC) conn breakout.
S213 I/P harness, behind left I/P about 9.5 cm left of driver information center (DIC) conn breakout.
S214 I/P harness, behind center I/P about 19.5 cm from cigar lighter conn breakout.
S217 I/P harness, behind center I/P about 7.5 cm right of data link connector (DLC) breakout.
S220 I/P harness, behind center I/P in central control module (CCM) conn C1 branch, about 2 cm. from base of conn breakout.
S221 I/P harness, behind center I/P about 11.5 cm right of data link connector (DLC) breakout.
Fig 1: Locating Central Control Module (CCM)
G00200876Courtesy of GENERAL MOTORS CORP.
Fig 2: Locating Data Link Connector (DLC), Passive Keyless Entry (PKE) & Tone Generator
G00200877Courtesy of GENERAL MOTORS CORP.
Fig 3: Locating Defogger Relay & Delayed Accessory Bus (DAB) Relay
G00200878Courtesy of GENERAL MOTORS CORP.
Fig 4: Locating Diagnostic Energy Reserve Module (DERM), Horn Relay, I/P Fuse Block, C209, C210, C237, C238, C239, C400
G00200879Courtesy of GENERAL MOTORS CORP.
Fig 5: Locating Left & Right Door Ajar Switch, Left & Right Door Key Switch, P500 & P600
G00200880Courtesy of GENERAL MOTORS CORP.
Fig 6: Locating Electronic Brake & Traction Control Module (EBCTM) & C400 (Left Cargo Compartment)
G00200881Courtesy of GENERAL MOTORS CORP.
NOTE: Engine VIN is eighth character of vehicle VIN.
Fig 7: Locating Engine Control Module ECM (VIN J), Power Control Module PCM (VIN P) & G106
G00200882Courtesy of GENERAL MOTORS CORP.
Fig 8: Locating Hatch Ajar Switch (Coupe), C426 & G401
G00200883Courtesy of GENERAL MOTORS CORP.
Fig 9: Locating Heater/Vent/Air Conditioning (Automatic A/C Only; Behind Center I/P)
G00200884Courtesy of GENERAL MOTORS CORP.
Fig 10: Locating Key Resistor Sensing Terminals, Key-In-Ignition Switch & C204 (Steering Column)
G00200885Courtesy of GENERAL MOTORS CORP.
Fig 11: Locating Light Switch (Left Side Of Cluster)
G00200886Courtesy of GENERAL MOTORS CORP.
NOTE: Engine VIN is eighth character of vehicle VIN.
Fig 12: Locating Low Oil Level Switch - VIN J (Right Side Of Engine), G105 & G106
G00200887Courtesy of GENERAL MOTORS CORP.
Fig 13: Locating Low Oil Level Switch - VIN P (Left Rear Of Engine Compartment)
G00200888Courtesy of GENERAL MOTORS CORP.
Fig 14: Locating Oil Pressure Switch - VIN J
G00200889Courtesy of GENERAL MOTORS CORP.
NOTE: Engine VIN is eighth character of vehicle VIN.
Fig 15: Locating Oil Pressure Switch - VIN P
G00200890Courtesy of GENERAL MOTORS CORP.
Fig 16: Locating Seat Belt Switch (Center Console - Base Power Seats)
G00200891Courtesy of GENERAL MOTORS CORP.
Fig 17: Locating Seat Belt Switch (Center Console - Sport Seat)
G00200892Courtesy of GENERAL MOTORS CORP.
Fig 18: Locating C426 & G401 (Right Cargo Compartment)
G00200893Courtesy of GENERAL MOTORS CORP.
Fig 19: Locating C450 (Left Rear Body Wiring)
G00200894Courtesy of GENERAL MOTORS CORP.
NOTE: Engine VIN is eighth character of vehicle VIN.
Fig 20: Locating G109 - VIN P (Right Rear Engine Compartment)
G00200895Courtesy of GENERAL MOTORS CORP.