Buick Rendezvous (2002-2007) fuse box and relay Diagrams

The Buick Rendezvous, produced between 2002 and 2007, marked Buick’s entry into the crossover SUV market, offering a blend of comfort, versatility, and advanced features. This model incorporated a range of essential electrical components, including the fuse box and relays, which played crucial roles in managing various electrical systems within the vehicle.

The fuse box in the Buick Rendezvous 2002-2007 housed fuses designed to protect electrical circuits from overloads and short circuits. These fuses were instrumental in safeguarding components such as headlights, taillights, power windows, and the audio system. Understanding the location and function of each fuse is important for diagnosing and resolving electrical issues effectively.

Relays in the Buick Rendezvous 2002-2007 served as electrically operated switches that controlled the flow of electricity to specific components. These relays were integral to systems such as the starter motor, fuel pump, cooling fans, and other critical components, ensuring reliable operation and optimal performance. Proper functioning of relays is important for maintaining the vehicle’s overall functionality and reliability.

In addition to these components, the Buick Rendezvous 2002-2007 featured advanced electrical technologies for its time, including climate control systems, power-adjustable seats, and advanced safety features. These amenities relied on a robust electrical infrastructure to provide comfort, convenience, and safety to both driver and passengers.

MUST READ: DYI – How to Check Car Fuses?

(2002-2007) Buick Rendezvous fuse box and relay with Diagram

WARNING

• Never replace a fuse with one that has a higher amperage rating.
• A fuse with a too-high amperage could damage the electrical part and cause a fire.
• On no account should fuses be repaired (e.g. patched up with tin foil or wire) as this may cause serious damage elsewhere in the electrical circuit or cause a fire.
• If a fuse blows repeatedly, do not keep replacing it. Instead, have the cause for the repeated short circuit or overload tracked and fixed.
• Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

Buick Rendezvous 2002-2007 fuse assignment

Year of production: 2002, 2003, 2004, 2005, 2006, 2007

Passenger compartment fuse box

Fuse Box Location

It is located in the passenger’s side of the center console near the floor, behind the cover.

Fuse box diagram

№	Description
1	2002-2003: Fuse Puller 2004-2007: Empty
2	Steering Wheel Radio Controls
3	Power Door Locks
4	Empty
5	Empty
6	Empty
7	Empty
8	Empty
9	Empty
10	Turn Signal and Hazard Lamp Flashers
11	Power Seats
12	Electronic Level Control (ELC) Compressor
13	Liftgate and Endgate
14	Rear Auxiliary Power Outlet
15	Electronic Level Control (ELC) Compressor Relay and Height Sensor
16	Heated Mirrors
17	Power Mirrors
18	Ignition 1 Module
19	2002-2003: Turn Signal Switch and NSBU Switch 2003-2007: Turn Signal Switch
21	Rear Defogger
22	Airbag Module
24	2002-2003: Canister Vent Soloid and TCC Switch 2004-2007: TCC Switch
25	HVAC Blower Motor
26	HVAC Mode and Temperature Motors and Head-Up Display
28	Accessory Power
29	Windshield Wipers and Washer
30	Instrument Panel Cluster, Body Control Module (BCM), PASS-Key® III
31	Park Lock Ignition Key Solenoid
32	Rear Window Wiper/Washer
34	Power Sunroof
35	Power Windows
36	Map Lamps, Courtesy Lamps and Instrument Panel Lights
37	Radio
38	UQ3 Radio Amplifier
39	Head-Up Display
40	Hazard Flashers
41	Instrument Panel Cluster, Climate Control, Security LED and Remote Keyless Entry Mode
42	PASS-Key® III
44	Body Control Module (BCM)
46	Automatic Occupant Sensing Module
Relays
20	Rear Defogger Relay
23	Ignition Relay
27	Accessory Relay
33	Retained Accessory Power Relay
43	Accessory Diode
45	2005-2007: Back-Up Lamps

Engine compartment

Fuse Box Location

Fuse box diagram (3.4L V6 Engine)

Assignment of the fuses and relays in the engine compartment (3.4L V6 Engine)

№	Description
1	Fuel Pump
2	Air Conditioning Compressor Clutch
3	Horn
4	Engine Controls-Emissions and Sensors
5	Power Control Module (PCM)-Battery Power
6	Anti-Lock Brakes (ABS) Control Module
7	Transaxle Solenoids
8	Spare
9	ABS Solenoids Valves
10	Oxygen Sensors-Emissions Control
11	Fuel Injectors (Even)
12	Spare
13	Engine Controls
14	Daytime Running Lamps (DRL)
15	Passenger’s Low-Beam Headlamp
16	Spare
17	Driver’s Low-Beam Headlamp
18	Driver’s High-Beam Headlamp
19	Ignition Switch Battery Power
20	Parking Lamps-Front and Rear
21	Air Pump-Emissions Controls
22	Spare
23	Passenger’s High-Beam Headlamp
24	Vent Solenoids
25	Spare
26	Front Fog Lamps
27	Ignition Relay, Neutral Start Switch, Powertrain Control Module (PCM)
28	Body Control Module-Battery Power
29	L Band, Remote Digital Radio Receiver
30	All-Wheel Drive (AWD) Module
31	Cruise Control
32	Front Power Outlets/Lights, OnStar®
33	Automatic Transaxle Shift Lock Control System
34	Spare
35	Starter Solenoid Battery Fuse
36	ABS Motor
37	Spare
38	Spare
39	Engine Cooling Fan 2
40	Engine Cooling Fan 1
41	Main Battery Fuse for Retained Accessory Power Relay and Accessory Relay
42	Main Battery Fuse for Heated Seats, Air
43	Spare
44	Spare
45	Main Battery Fuse for Power Outlets, Level Control, Power Seats and Mirrors and Body Computer
46	Spare
47	Main Battery Fuse for Climate Control Blower and Ignition 3 Relay
48	Main Battery Fuse for Ignition Switch, Radio, Heads-Up Display, Remote Keyless Entry (RKE), Instrument Cluster, Air Conditioning and Body Computer
49	Spare (Circuit Breaker)
64-69	Spare fuses
70	Fuse Puller
Diode	Diode for Air Conditioning Compressor Clutch
Relays
50	Horn
51	Fuel Pump
52	Air Conditioning Clutch
53	Daytime Running Lamps (DRL)
54	Low-Beam Headlamps
55	Parking Lamps
56	High-Beam Headlamps
57	Fog Lamps
58	Starter Relay
59	Cooling Fan
60	Ignition 1 Relay
61	Cooling Fan
62	Cooling Fan
63	Air pump

Fuse box diagram (3.6L V6 Engine)

Assignment of the fuses and relays in the engine compartment (3.6L V6 Engine)

№	Description
1	Fuel Pump
2	Air Conditioning Compressor Clutch
3	Horn
4	Anti-lock Brake System (ABS)
5	Engine Control Module (ECM)
6	Powertrain Relay
7	Powertrain Sensors
8	Transmission Control Module (TCM)
9	Anti-lock Brake System (ABS) Solenoids Valves
10	Oxygen Sensor/MAF Sensor
11	Fuel Injectors (Even)
13	Fuel Injectors (Odd)
14	Daytime Running Lamps (DRL)
15	Passenger’s Low-Beam Headlamp
16	Transmission
17	Driver’s Low-Beam Headlamp
18	Driver’s High-Beam Headlamp
19	Ignition Switch Battery Power
20	Parking Lamps
21	Engine Control Module (ECM)
23	Passenger’s High-Beam Headlamp
24	Vent Solenoids
25	DVD
26	Front Fog Lamps
27	Ignition Relay
28	Body Control Module (BCM)
29	S Band
30	All-Wheel Drive (AWD) Module
31	Cruise Control
32	Front Power Outlets/Lights, OnStar®
33	Automatic Transaxle Shift Lock Control System
34	Starter Solenoid Battery Fuse
35	Anti-lock Brake System (ABS) Motor
38	Engine Cooling Fan 2
39	Engine Cooling Fan 1
40	Main Battery Fuse for Retained Accessory Power Relay and Accessory Relay
41	Main Battery Fuse for Heated Seats, Air Conditioning, Defogger
44	Main Battery Fuse for Power Outlets, Level Control, Power Seats, Mirrors, and Body Computer
46	Main Battery Fuse for Climate Control Blower and Ignition 3 Relay
47	Main Battery Fuse for Ignition Switch, Radio, Heads-Up Display (HUD), Remote Keyless Entry (RKE), Instrument Cluster, Air Conditioning, and Body Computer
70	Diode for Air Conditioning Compressor Clutch
71	Diode for Ignition
Relays
49	Horn
50	Fuel Pump
51	Air Conditioning Clutch
52	Daytime Running Lamps (DRL)
53	Low-Beam Headlamps
54	Parking Lamps
55	High-Beam Headlamps
56	Fog Lamps
57	Starter Relay
58	Cooling Fan S/P
59	Powertrain
60	Cooling Fan 2
61	Cooling Fan 1
62	Ignition

Conclusion

For owners and enthusiasts of the Buick Rendezvous 2002-2007, understanding the fuse box and relay systems is crucial for vehicle maintenance. Regular inspection and maintenance of these components helped ensure the vehicle’s longevity and reliability, allowing it to continue delivering on Buick’s reputation for quality and innovation in the crossover SUV segment.