Buick LeSabre Limited 2005 - 2005 ELECTRICAL Fuses & Circuit Breakers - LeSabre

Buick LeSabre Limited 2005 - IDENTIFICATION

CAUTION:

When battery is disconnected, vehicle computer and memory systems may lose memory data. Driveability problems may exist until computer systems have completed a relearn cycle. See appropriate COMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION before disconnecting battery.

Buick LeSabre Limited 2005 - FUSIBLE LINK

Fusible links are usually located between battery and starter or electrical center. For description and repair procedures, see Fig. 1.

Fig. 1: Buick LeSabre Limited 2005 - Component Locations - Repairing Fusible Links

Buick LeSabre Limited 2005 - UNDERHOOD FUSE BLOCK

NOTE:

Underhood fuse block is located on front right side of the engine compartment. See Fig. 2.

Fig. 2: Buick LeSabre Limited 2005 - Component Locations - Locating Underhood Fuse Block

Fig. 3: Buick LeSabre Limited 2005 - Component Locations - Identifying Underhood Fuse Block Components

Buick LeSabre Limited 2005 Fuse Block - Underhood Label Usage

No.	Device	Rating	Description
1	-	-	Not Used
2	ACCY Fuse	15 A	Windshield Wiper Switch
3	WSW Fuse	30 A	Windshield Wiper Motor
4	-	-	Not Used
5	HDLOBML Fuse	10 A	Left Low Beam Headlamp
6	HDLOBMR Fuse	10 A	Right Low Beam Headlamp
7	Spare	10 A	-
8	PCM BATT Fuse	10 A	PCM and Theft Deterrent Control Module
9	HDHIBMR Fuse	10 A	Right High Beam Headlamp
10	HDHIBML Fuse	10 A	Left High Beam Headlamp
11	IGN 1 Fuse	10 A	AIR Pump Relay, EVAP Canister Purge Valve, MAF Sensor, Secondary AIR Injection Bypass Valve Solenoid, and TCC/Cruise Release Switch
12	FOG	15 A	Fog Lamps
13	TRANS Fuse	10 A	Automatic Transaxle
14	CR CONT Fuse	10 A	Cruise Control Module and HVAC SOL Relay
15	DIS Fuse	20 A	Ignition Control Modules
16	INJR 2 Fuse	10 A	Fuel Injectors 1, 3, and 5
17-18	-	-	Not Used
19	PCM IGN Fuse	10 A	START 1 Relay and PCM
20	OXY SEN Fuse	10 A	Oxygen Sensors
21	INJR 1 Fuse	10 A	Fuel Injectors 2, 4 and 6
22	AUX PWR Fuse	20 A	Auxiliary Power Outlet (Console)
23	C/LTR Fuse	20 A	Auxiliary Power Outlet (Overhead Console) and Cigar Lighter
24	DRL	15 A	DRL
25	HORN Fuse	15 A	HORN Relay
26	AC CLU Fuse	15 A	A/C Clutch Relay
27	HDLP HI BM Relay	-	HDHIBML and HDHIBMR Fuses, DIM, and Headlamp Switch
28	HDLP LO BM Relay	-	HDLOBML and HDLOBMR Fuses, DIM, and Headlamp Switch
29	FOG LP Relay	-	DIM, Front Fog Lamps, and Ignition Switch
30	DRL Relay	-	DIM and Left High Beam Headlamp
31	HORN Relay	-	DIM, Horn, and Turn Signal/Multifunction Switch
32	A/C CLU Relay	-	A/C Compressor Clutch, DIM, Ignition Switch, and PCM
33	-	-	Not Used
34	ACCY Relay	-	WSW and ACCY Fuses
35	-	-	Not Used
36	START 1 Relay	-	PCM and Starter Solenoid
37	COOLFAN 1 Relay	-	PCM and Right Cooling Fan
38	IGN 1 Relay	-	DIS, OXY SEN, IGN 1, INJ 1, INJ 2, TRANS, PCM IGN, and CR CONT Fuses, DIM, and Ignition Switch
39	COOLFAN S/P Relay	-	Cooling Fans and PCM
40	COOLFAN 2Relay	-	Left Cooling Fan
41	START Circuit Breaker	30 A	START 1 Relay
42-43	-	-	Not Used
44	ABS Fuse	50 A	EBCM
45	-	-	Not Used
46	COOL FAN 1 Fuse	30 A	COOLFAN 1 Relay
47	COOL FAN 2 Fuse	30 A	COOLFAN 2 Relay and COOLFAN S/P Relay
48-52	Spare Fuses	-	-
53	Fuse Puller	-	-

Buick LeSabre Limited 2005 - REAR FUSE BLOCK

NOTE:

Rear fuse block is located under the left side of the rear passenger compartment seat. See Fig. 4.

Fig. 4: Buick LeSabre Limited 2005 - Component Locations - Locating Rear Fuse Block

Fig. 5: Buick LeSabre Limited 2005 - Component Locations - Identifying Rear Fuse Block Components

Buick LeSabre Limited 2005 Fuse Block - Rear Label Usage

No.	Device	Rating	Description
1	F/PMP Fuse	20 A	F/PMP Relay
2	HVAC BLO Fuse	30 A	Blower Motor Control Processor
3	MEM Fuse	10 A	Memory Seat Module - Driver, Power Seat Lumbar Switch - LF, and Power Seat Switch - LF (w/A45)
4	ALDL Fuse	10 A	DLC and Valet Switch
5	RR FOG Fuse	10 A	RR FOG LP Relay
6	-	-	Not Used
7	DRV MDL Fuse	10 A	DDM
8	SIR Fuse	15 A	SDM
9	-	-	Not Used
10	LP PK R Fuse	10 A	Park/Stop Lamps, Right Tail/Stop Lamp, and Side Marker Lamp
11	VENT SOL Fuse	10 A	EVAP Canister Purge Vent Valve
12	IGN 1 Fuse	10 A	IPC, RIM, TCC/Cruise Release Switch, and Turn Signal/Multifunction Switch
13	LP PK L Fuse	10 A	Left Tail/Stop Lamp, Side Marker Lamp, and Park/Stop Lamps
14	DIMR Fuse	10 A	License Plate Lamps and DIM
15	SDAR	5A	Digital Radio Receiver
16	HTDST LF Fuse	10 A	Left Heated Seat Module
17	-	-	Not Used
18	RRDR MDL Fuse	10 A	Rear Door Modules
19	STOP LP Fuse	15 A	Stop Lamp Switch
20	PRK/REV Fuse	10 A	PARK and REVERSE Relays
21	AUDIO Fuse	10 A	Radio
22	RAP Fuse	20 A	RAP Relay
23-24	-	-	Not Used
25	PASSMDL Fuse	10 A	FPDM
26	BODY Fuse	15 A	TRK REL Relay
27	INT LP Fuse	10 A	INT LP Relay
28	-	-	Not Used
29	IGN SW Fuse	15 A	DIM, Ignition Switch, RCDLR, and RIM
30	I/P Fuse	10 A	Ignition Switch Lamp and IPC
31	HTDST RF Fuse	10 A	Right Heated Seat Module
32	-	-	Not Used
33	HVAC Fuse	10 A	Air Temperature Actuators, BCM, IPM, Mode Actuator, and Recirculation Actuator
34	IGN 3 RR	10 A	HVAC Control Module (w/CJ2) or IPM (w/C67), Inside Rear View Mirror, and Shift Control Assembly
35	ABS Fuse	10 A	EBCM
36	TSIG/HAZ Fuse	15 A	Turn Signal/Hazard Lamp Control Module
37	HVAC BATT Fuse	10 A	IPM
38	DIM Fuse	10 A	DIM and Generator
39	F/PMP Relay	-	Fuel Pump/Sender Assembly and PCM
40	PRK LP Relay	-	DIMR, LP PK L, LP PK R Fuses, and DIM
41	IGN 1 Relay	-	IGN 1 Fuse, VENT SOL Fuse, SIR Fuse, DIM, and Ignition Switch
42-43	-	-	Not Used
44	PARK Relay	-	Ignition Switch, RIM, and Stop Lamp Switch
45	REVERSE Relay	-	Backup Lamps and RIM
46	RAP Relay	-	Power Sunroof Module and RIM
47-48	-	-	Not Used
49	IGN 3 Relay	-	Ignition Switch
50	-	-	Not Used
51	INT LP Relay	-	Front Door Courtesy Lamps, Rear Door Courtesy Lamps, Footwell Courtesy Lamps, I/P Compartment Lamp and Switch, Overhead Console Reading/Courtesy Lamp, Rear Compartment Courtesy Lamps, Rear Reading Courtesy Lamp, and Vanity Lamps
52	TRK REL Relay	-	Rear Compartment Lid Release Actuator and RIM
53	FRT CTSY Relay	-	RIM
54	-	-	Not Used
55	ELC (ALC) Relay	-	Automatic Level Control (ALC) Compressor, Ignition Switch, and RIM
56	PWR SEAT Circuit Breaker	30 A	Memory Seat Module - Driver (w/A45), Power Seat Switch - LF (w/o A45), Power Seat Lumbar Switch - LF (w/o A45), Power Seat Recline Switch - RF (w/o AG2), Power Seat Switch - RF (w/AG2), and Power Seat Lumbar Switch - RF (w/AG2)
57	PWR WDO Circuit Breaker	30 A	Door Modules
58	-	-	Not Used
59	RR DEFOG Relay	-	Ignition Switch and Rear Window Defogger
60	-	-	Not Used
61	RR DEFOG Fuse	40 A	RR DEFOG Relay
62	-	-	Not Used
63	AUDIO AMP Fuse	20 A	Audio Amplifier
64	ELC (ALC) Fuse	30 A	ELC Relay and Automatic Level Control (ALC) Compressor
65	-	-	Not Used
66-69	-	-	Not Used
70-74	Spare Fuses	-	-
75	Fuse Puller	-	-