2008 CADILLAC CTS relay

Fuses Usage
BCM 4 Body Control Module 4
BCM 5 Body Control Module 5
BCM 6 Body Control Module 6
BCM 7 Body Control Module 7
DISPLY Display
DRL RT Right Daytime Running Lamp (DRL)
DRL/ENG
PUMPDaytime Running Lamps
ECM Engine Control Module (ECM)
ECM/TCM IGNECM, Transmission Control
Module (TCM), Instrument Panel
Cluster (IPC), PASS-Key III+ Module
EMIS 1 Emission 1
EMIS 2 Emission 2
EVEN COILS Even Coils
FRT FOG Front Fog Lamps
HDM WASH Headlamp Driver Module Washer
HORN Horn
LO BEAM DRL Low-Beam DRL
LT HI BEAM Left High-Beam Headlamp
LT LO BEAM Left Low-Beam HeadlampFuses Usage
LT LO BEAM Left Low-Beam Headlamp
LTR Cigarette Lighter
MISC IGN Ignition
NAV MTR Navigation Motor
ODD COILS Odd Coils
PED PROT Not Used
PWR MODINGPassKey Module, Body Control
Module
RT HI BEAM Right High-Beam Headlamp
RT LO BEAM Right Low-Beam Headlamp
RT LO BEAM Right Low-Beam Headlamp
SPARE Spare
SPARE Spare
STR/WHL/
ILLUMSteering Wheel Illumination
TCM BATTTransmission Control Module
Battery
TRANS
OIL RLYTransmission Oil Relay
WPR Windshield Wiper
WSW PUMP Windshield Washer Pump
5-125

J-Case Fuses Usage
ABS MTR ABS Motor
BLWR Blower
BRK VAC
PUMPBrake Vacuum Pump
FAN 1 Cooling Fan 1
FAN 2 Cooling Fan 2
REAR DEFOG Rear Defogger
SPARE Spare
SPARE Spare
SPARE Spare
STRTR Starter
TRANS PUMP Transmission Pump
WSW/HTR Windshield Washer Heater
Relays Usage
A/C CMPRSR
CLTCHAir Conditioning Compressor Clutch
DRL (W/O HID)
LO BEAM (HID)Daytime Running Lamps
(without High Intensity Discharge),
Low-Beam Headlamps
(High Intensity Discharge)
ENG PUMP Engine Pump
FAN S/P Cooling Fan Series/Parallel
Relays Usage
FAN 1 Cooling Fan 1
FAN 2 Cooling Fan 2
HEAD LAMP
WASHHeadlamp Washer
HI BEAM High-Beam Headlamp
HORN Horn
IGN 1 Ignition 1
LO BEAM
(W/O HID)
LT DRL (HID)Low-Beam (without High Intensity
Discharge), Left Daytime Running
Lamp (High Intensity Discharge)
PWR/TRN Powertrain
REAR DEFOG Rear Defogger
SPARE Spare
STRTR Starter
WPR Windshield Wiper
WPR HI Windshield Wiper High Speed
WSW PUMP Windshield Washer Pump
Rear Compartment Fuse Block
The rear compartment fuse block is located on top of
the battery, on the right side of the trunk. The battery
access door must be removed to access the fuse block.
5-126

Relays Usage
FUEL/PUMP Fuel Pump
LCK Lock
LF FRT/
PWR/SEATLeft Front Power Seat
LF/POS/LP Left Position LampRelays Usage
PWR CLMN Power Steering Column
PWR/WNDW Power Window
REAR/FOG Not Used
RT FRT/
PWR/SEATRight Front Power Seat
5-127

Relays Usage
RT/POS/LP Right Position Lamp
SPARE Spare
STOP/LP Stoplamp
TRUNK/RELSE Trunk Release
UNLCK Unlock
Fuses Usage
AIRBAG Airbag System
AMP Amplier
AUX/OUTLET Auxiliary Power Outlet
CNSTR/VENT Canister Vent
DR/LCK Door Lock
ECM Engine Control Module (ECM)
FUEL/PUMP Fuel Pump
LT/POS/LP Left Position Lamp
LT/REAR/
WNDWLeft Rear Window
MSM Memory Seat Module
Fuses Usage
ONSTAR OnStar®System
PDM Passenger Door Module
RDO Audio System
RDO/SPKR Audio Speakers
REAR/FOG Not Used
REAR/WNDW Rear Window
RKE/
PASS-KEY/
MDLRemote Keyless Entry System,
Pass-Key Theft Deterrent Feature
Module
RT/POS/LP Right Position Lamp
RT/POS/LP Right Position Lamp
RVC/SNSR Regulated Voltage Control Sensor
S/ROOF Sunroof
SPARE Spare
SPARE Spare
STOP/LP Stoplamp
THEFT/UGDOTheft Deterrent System, Universal
Home Remote System
TRUNK/RELSE Trunk Release
5-128