In this article, we take into consideration the first-generation Cadillac CTS, developed from 2003 to 2007. Here you will find fuse box diagrams that Cadillac CTS 2003, 2004, 2005, 2006 and also 2007, obtain information around the place of the fuse panels within the car, and learn about the assignment of each fuse (fuse layout) and relay.
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Cigar lighter / strength outlet fuses in the Cadillac CTS are located in the Engine compartment fuse crate (see fuses “OUTLET” (Center Console Accessory strength Outlet) and “I/P OUTLET” (Instrument dashboard Accessory strength Outlet)).
Fuse crate Location

2003-2004

2005-2007

Assignment the the fuses and relays in the engine compartment
Fuses | |
RT PARK | Passenger’s next Taillamp Assembly, former Sidemarker and also Front Parking lamp Assembly |
HORN | Dual Horn Assembly |
LT hello BEAM | Driver’s side High-Beam Headlamp |
LT short BEAM | Driver"s side Low-Beam Headlamp |
RT short BEAM | Passenger’s next Low-Beam Headlamp |
RT hi BEAM | Passenger’s next High-Beam Headlamp |
TOS | Manual infection Output speed Sensor |
SPARE | Not Used |
THEFT | ECM (Electronic regulate Module), TCM (Transmission regulate Module), PASS-Key 111+ Module |
LT PARK | Driver’s next Taillamp Assembly, former Sidemarker and Front Parking lamp Assembly |
LIC/DIMMING / DIMMING | Rear license Plate Assembly, Dash combined Module (DIM) |
DIM/ALDL | DIM, ALDL (Assembly line Data Link) |
FLASHER | Turn Signal/Hazard Flasher Module |
MANIFOLD | Manifold Flaps 1 and 2, air Mass Meter, Canister Purge Valve |
STRG CTLS | Steering Wheel regulate Pad, Headlamp Switch |
HTR VLV/ CLTCH | Heater Valve, Clutch switch (Normal Closed), Clutch switch (Normal Open), Jumper to begin Relay Coil for automatic Transmission |
WASH NOZ | Driver’s and also Passenger’s next Heated Washer Nozzles |
PRE O2/CAM | Driver’s & Passenger’s next Oxygen Sensors, cam Phaser, Canister Purge |
ECM | Electronic manage Module |
TCM/IPC | TCM, ECM and also IPC (Instrument panel Cluster) |
IGN mod / IGN MOD/MAF | Front bank Ignition Modules |
ELEC PRNDL | Electronic PRNDL |
TCC/ET | TCC/ET Brake switch (Extended Travel), TCC/ET Brake switch (Cruise Disable) |
STOP LP SW | Stoplamp Switch |
IGN SW | Ignition switch (Power to IGN-3 and also CRANK) |
VOLT CHECK | DIM (Dash Integration Module) |
ECM/TCM | TCM (Transmission control Module), ECM (Electronic manage Module), IPC (Instrument panel Cluster), PASS-Key 111+ Module |
ODD INJ/COILS | Odd Ignition Coils, Fuel Injectors, strange Injection Coils |
WPR MOD | Windshield Wiper Module Assembly |
INJ | Fuel Injectors |
COMP CLUTCH | Compressor Clutch |
WPR SW | Windshield WiperA/Vasher Switch |
FOG LAMP | Fog Lamps |
OUTLET | Center Console Accessory strength Outlet |
POST O2 | Driver’s and Passenger’s side Oxygen Sensors, LRPDB (Pusher Cooling pan Relay) |
I/P OUTLET | Instrument dashboard Accessory strength Outlet |
CCP | Climate Control |
EVEN INJ/COILS | Even Injection Coils |
PRE O2 | Driver’s and Passenger’s next Oxygen Sensors, transmission Output rate Sensor |
Circuit Breakers | |
HDLP wash C/B-OPT | Headlamp Washer motor (Optional) |
J-Case fuses | |
R REAR | RRPDB (Passenger’s Side behind Power circulation Box) |
R REAR | RRPDB (Passenger’s Side rear Power circulation Box) |
L REAR | LRPDB (Driver"s Side behind Power circulation Box) |
L REAR | LRPDB (Driver"s Side rear Power distribution Box) |
HI FAN | High Cooling fan Motor |
LO FAN | Low Cooling fan Motor |
BLOWER | PWM pan Motor Assembly |
STARTER | Starter Solenoid |
EBCM | Electronic Brake control Module |
ABS | Anti-Lock Brake System |
Wiring Harnesses | |
BODY W/H | Wiring exploit Connection |
I/P W/H | Wiring exploit Connection |
ENG W/H | Engine Wiring harness Connection |
FORWARD LAMP | Forward desk lamp Wiring exploit Connection |
Relays | |
LO speed FAN RELAY MINI | Low rate Fan Motor |
HI speed FAN RELAY MINI | High speed Fan Motor |
ACCESSORY RELAY MINI | Accessory power Outlets |
S/ P pan RELAY MINI | Series/Parallel Fan |
PARK desk lamp RELAY MICRO | Parking Lamps |
HORN RELAY MICRO | Horn |
HI BEAM RELAY MICRO | High-Beam Headlamps |
DRL RELAY MICRO-OPT | Daytime to run Lamps |
LO BEAM RELAY/HID MINI-OPT | Low-Beam HID Headlamps (Option) |
HDLP to wash RELAY MINI-OPT | Headlamp Washer engine (Option) |
CIGAR RELAY MINI | Cigarette Lighter (Option) |
BLOWER RELAY MINI | Front Blower |
FOG desk lamp RELAY MICRO | Fog Lamps |
MAIN RELAY MICRO | Powertrain/ECM |
STARTER RELAY MINI | Starter Solenoid |
CMP CLU RELAY MICRO | Compressor Clutch |
IGN-1 RELAY MICRO | Ignition switch (ON) |
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Passenger compartment
Fuse crate Location
Two fuse box are situated under the rear seat.
See more: What Was The Whiskey Ring Scandal Apex, Where Was The Whiskey Ring Scandal

To remove the rear seat cushion, execute the following:
Pull increase on the former of the cushion to release the prior hooks;Pull the cushion up and out toward the prior of the vehicle;Slide the cushion out one of the behind doors and set it aside.Fuse box diagram (Driver’s Side)

Fuses | |
L FRT HTD chair MOD | Driver’s Heated chair Module |
MEM/ADAPT SEAT | Driver’s power Seat Switch, storage Seat Module |
TRUNK DR RELEASE | Trunk release Motor |
REVERSE LAMP | ISRVM (Inside Rearview Mirror), patent Plate desk lamp Assembly |
SPARE | Not Used |
POSITION LAMP | Taillamp Assemblies, Front place Lamp Assemblies |
AUDIO | Radio, OnStar Module |
REAR DR MOD | Rear Door Modules |
BAS | Taillamps, facility High-Mounted Stoplamp, Flasher Module, ABS Module, Trailer Lamps |
DRIVER DR MOD | Driver’s Door Module |
HDLP LEVELING | Headlamp Leveling system Chassis Sensors (Export Only) |
EBCM | EBCM (Electronic Brake control Module) |
CCP | CCP (Climate regulate Panel) |
IGN 3 | Heated chair Modules, wait Inlet Motor, Shifter Assembly |
J-case fuses | |
AMP | Audio Amplifier |
PUSHER FAN | Pusher fan (Export Only) |
Circuit Breakers | |
SEAT C/B | Power seat Switches, memory Seat Module |
Relays | |
BAS RELAY MINI | Brake apply Sensor |
SPARE | Not Used |
PUSHER FAN | Pusher pan (Export Only) |
L place RELAY MICRO | Driver’s Side place Lamp |
R place RELAY MICRO | Passenger"s Side place Lamp |
IGN 3 RELAY MICRO | Heated seat Modules, wait Inlet Motor, Shifter Assembly |
STANDING lamp RLY MICRO | Control for position Lamp Relays |
TRK DR REL sol RELAY MICRO | Trunk relax Motor |
REV desk lamp RELAY MICRO | ISRVM (Inside Rearview Mirror), patent Plate lamp Assembly |
Fuse crate diagram (Passenger’s Side)
2003-2004

2005-2007

Fuses | |
TRUNK DIODE | Trunk Lamp |
INTERIOR LAMP | Hush dashboard Lamps, puddle Lamps, Overhead Courtesy lamp Assembly |
PSGR DR MOD | Right front Passenger Door Module |
RIM | 2003-2004: rim (Rear Integration Module), Ignition Switch, vital Lock Cylinder2005-2007: ISRVM (Inside Rearview Mirror), power Sounder, RIM |
RIM/IGN SW | RIM (Rear Integration Module), Ignition Switch, crucial Lock Cylinder |
REAR FOG LAMP | Rear Fog Lamps (Export Only) |
SPARE | Not Used |
NAV | TV Tuner Assembly (Export Only), VICS (Vehicle Information interaction System) Module (Export Only) |
AIR BAG | SDM (Sensing Diagnostic Module) |
SPARE | Not Used |
POWER SOUNDER | Power Sounder, Inclination Sensor |
ABS | Anti-Lock Brake System |
TRUNK LAMP | Trunk Lamp |
FUEL PUMP MTR | Fuel Pump Motor |
AFTERBOIL | Afterboil Heater Pump |
R FRT HTD seat MOD | Passenger’s next Heated seat Module |
SPARE | Not Used |
SIR | SDM (Sensing Diagnostic Module) |
RIM | ISRVM (Inside Rearview Mirror), strength Sounder, RIM, Passive Trunk relax Sensor |
CANISTER VENT | Canister Vent Solenoid |
SPARE | Not Used |
Circuit Breakers | |
DR mod PWR C/B | Door Modules |
J-Case fuses | |
REAR DEFOG | Rear home window Defogger Element |
SUNROOF MOD | Power Sunroof Module |
Relays | |
RAP RELAY MINI | Retained Accessory Power |
SPARE | Not Used |
REAR DEFOG RELAY MINI | Rear home window Defogger |
SPARE | Not Used |
AFTER cook MICRO | Afterboil Heater Pump |
INT desk lamp RELAY MICRO | Hush dashboard Lamps, puddle Lamps, Overhead Courtesy desk lamp Assembly |
IGN 1 RELAY MICRO | Ignition Switch |
REAR FOG desk lamp RLY MICRO | Rear Fog Lamps (Export Only) |
FUEL PUMP motor RLY MICRO | Fuel Pump Motor |