In this article you will find a description of fuses and relays Cadillac,
with photos of block diagrams and their locations.
Highlighted the cigarette lighter fuse (as the most popular thing people look for).
Get tips on blown fuses, replacing a fuse, and more.
Engine compartment fuse block
Fuse name | Usage |
DISTR |
Ignition Control Module |
SIR |
Sensing & Diagnostic Module |
PCM (IGN) |
Powertrain Control Module (PCM); PASS-Key II Decoder Module |
INJ |
1, 4, 6 and 7 Fuel Injectors |
INJ |
2, 3, 5 and 8 Fuel Injectors |
IGN 1 |
A/C Refrigerant Pressure Switch, Transaxle Range Switch; Stop/BTSI/CruiseBrake Switch;Instrument Panel Cluster; Keyless EntryModule; Diagnostic/Energy Reserve Module (Derm); CorneringLamps; Turn/Hazard Switch Assy; Chime Module; Headlamp Switch;Twilight Sentine/DRL Module |
FUEL PUMP |
Fuel Pump; Oil Pressure Switch; Powertrain Control Module (PCM) |
PCM (BAT) |
Powertrain Control Module (PCM) |
RTD (BAT) |
Road SensingSuspension(RSS)Module |
A/C COMP |
A/C Compressor Clutch |
HDLPS |
Headlamp Dimmer Switch; HeadlampRelay “D” (Engine Comp. Micro RelayCenter); DRLHeadlamp Relay“E”(with Daytime Running Lamps); Powers C13 |
STOP LP |
Stop/BTSI/Cruise Switch; Stoplamp Switch Capacitor: Anti-Slip Regulation (ASR)S Traction Control |
TURN/HAZ |
Hazard Flasher; Turn Flasher Relay;Turn Flasher Module |
DRL |
Daytime Running Lamps (Canada) |
DRL |
Left and Right Lo-Beam Headlamp (Canada) |
HTD W/S |
Heated Windshield Control Module |
IGN OFF |
Instrument Panel Cluster |
L HDLP LO |
Left Lo-Beam Headlamp |
R HDLP LO |
Right Lo-Beam Headlamp |
L HDLP HI |
Left Hi-Beam Headlamp |
R HDLP HI |
Right Hi-Beam Headlamp |
IGN 3 |
Rear Defogger Relay; Electronic Level Control (ELC); Heated Windshield; Heater and A/C Programmer; Cruise Control |
COOLING FAN |
Extended Travel Brake Switch; Powertrain Control Module (PCM); Cooling Fan Relays 1 , 2 and 3; Front and Rear Heated Oxygen Sensor |
TRANS/ECS |
PowerSteeringPressureSwitch; Exhaust Gas Recirculation (EGR) Valve; Transaxle Shift Solenoids A & B; Evaporative Emission Control Solenoid; Powertrain Control Module (PCM); Torque Converter Clutch Solenoid;TCC Brake Switch |
Maxi Fuse block
LH MAXI FUSE BLOCK
Fuse/Circuit breaker (CB) | Usage |
IGN 1 (Fuse) |
Retained Accessory Power (Radio/Wipers); Starter; Trunk Comp. Fuses B11 and B13 |
BODY 1 (Fuse) |
Engine Comp. B11 ; Road Sensing Suspension; Fog Lamps; Trunk Comp. Fuses C1, C3, C5, C7, C9 and C11; Trunk Comp. Fuse C13 (Export); Rear Fog Lamp (Export) |
SEAT/HORN (C.B.) |
Left and Right Power Seat Switches; Left and Right Lumbar Relays; Power Door Locks; Keyless Entry Module; Horns; Fuel Door Release Switch ; Trunk Release Switch |
ELECTRONICS (Fuse) | Powertrain Control Module, (PCM); Electronic Climate Control; RAP/Illuminated Entry Module; Instrument Panel Cluster; Pass-Key II Decoder Module; Theft Deterrent |
BODY 2 (Fuse) |
Left and Right Heated Seats; Electronic Level Control (ELC), Trunk Lid Pull Down; Power Antenna; Rear Defogger; Left and Right Mirror Defoggers |
IGN 3 (Fuse) |
Retained Accessory Power (Astroroof/Power Windows); Engine Comp. Fuses D1, D3 and D5; Trunk Comp. Fuses A1, A3, A5, A7 and A9 |
RH MAXI FUSE BLOCK
Fuse/Circuit breaker (C.B.) | Usage |
DAB (C.B) |
Retained Accessory Power (RAP) (Astroroof/Power Window) |
RADIO (Fuse) |
Delco-Bose Speakers; Radio Control |
COOLING FANS (Fuse) |
Cooling Fans |
HVAC BLOWER (Fuse) |
HVAC PowerMotor; A/C Compressor |
ABS BRAKES (Fuse) |
Brake PressureModulator Valve |
EXT LAMPS (Fuse) |
Turn Flasher Module; Hazard Flasher; Stop/BTSI/Cruise Brake Switch; Parking Lamps; Daytime Running Lamps (Canada); Engine Comp. Fuses B1, B3 and B5; Trunk Comp. Fuses D11 and D 13 |
Rear Compartment Fuse Block
Fuse name | Usage |
CRANK |
RAP/IlluminatedEntry Module; Sensing & Diagnostic Module; TransaxleRangeSwitch (NSSS) |
IGN 1 |
Fuel Lever Seernsor; Electrochromic Mirror; RAP/Illuminated Entry Module: Theft Deterrent Module: Keyless Entry Module; Turn Flasher Relay “F” Trunk Comp. Micro Relay Center, Catalytic Converter Alarm Module (Export) |
HDLP/WASH |
HeadlamWp asheMr odule (Export Only) |
SUSP | Road Sensing Suspension (RSS) Module |
IPC (IGN) | Instrument panel cluster |
CNSL SW | Rear Blower Relay “E”, Console Switch |
ABS |
Electronic Brake and Traction Control Module (ETBTCM) |
WIPER | Wiper/Washer Switch |
RAD (IGN) | Remote Radio Receiver |
R DEFOG | Rear defogger |
HTD MIRR |
Left and Right Outside Mirror Defoggers |
IPC (BATT) |
Instrument Panel Cluster |
THEFT |
PASS-Key@IIDecoder Module; Theft Deterrent Relay “D” (Trunk Como. RelavCenter); Theft Deterrent Module |
HVAC/DABI |
Heater and A/C Programmer;RAP/Illuminated Entry Module |
REAR FOG |
Rear Fog Lamp RelayA (Export) |
FOG LP |
Fog Lamp Relays A and F |
CNSL FAN | Rear Blower Motor; Rear Blower Relay |
CIGAR |
Left and Right Cigarette Lighters; Front Cigarette Lighter; Chime Module |
BODY 2 |
Power Mirror Switch; RAP Relay; Lock-out Inhibit Relay“B” Trunk Comp. 1 Micro Relay Center ; Panel Lights Inhibit Comp. 3 Micro Relay Center (Export); Courtesy Lamps Relay“C” (Trunk Comp. 2 Micro Relay Center); RAP Relay “ E ’ (Trunk Comp. 2 Micro Relay Center); Keyless Entry Module; Trunk Lamp |
BODY 1 |
Rear Door Lock Switches; Front Door Lock Switches; Glove Box Lamp; Leftand Right Footwell Courtesy Lamps; Headlamp Switch |
READ LP |
Left and Right Front Header Lamp; Left and Right Vanity Mirror; Garage Door Opener; Left and Right Rear Header Lamp |
L PRK LP |
Left Rear Tail/Stop/Turn Lamps; Left Front Park/Turn Lamps; Front and Rear Left SideMarker Lamps; Radio Control Head; Headlamp Switch; Instrument Panel Cluster |
R PRK LP |
Right Tail/Stop/Turn Lamps; Right Front and Rear Side Marker Lamps; Right FrontPark and Turn Lamps; Engine Comp L.amp; License Plate Lamps |
RAD (BAT) | Radio |
ANT/TRK |
Trunk Lid Pull DownMotor; Power Antenna |
ELC |
Electronic Level Control (ELC) |
R HTD SEAT |
Passengers Heated Seat |
L HTD SEAT |
Driver’sHeated Seat |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.
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