The Chevrolet HHR (2006-2011) is a retro-styled compact SUV known for its versatility and practicality. Its electrical system, which controls everything from essential engine functions to comfort features, relies heavily on the fuse box and relay systems to operate safely and efficiently.

The fuse box in the Chevrolet HHR is located in two primary areas: the engine compartment and inside the cabin, under the front passenger seat. The engine compartment fuse box protects high-power components such as the engine control system, cooling fans, and headlights. Meanwhile, the interior fuse box manages lower-power circuits like the radio, power windows, and interior lights. Each fuse serves to protect these circuits by breaking the connection in the event of an overload or short circuit.

Relays in the HHR function as switches for high-current systems, such as the starter motor, fuel pump, and air conditioning system. These relays allow the car’s low-current systems to control high-current operations efficiently and safely. Maintaining the health of both the fuses and relays is critical to ensure the proper functioning of the vehicle’s electrical systems and to prevent potential issues down the line.

MUST READ: DYI – How to Check Car Fuses?

(2006-2011) Chevrolet HHR 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.

Chevrolet HHR (2006-2011) fuse assignment

  • Cigar lighter (power outlet) fuses in the Chevrolet HHR are the fuses №7 (Rear Power Plug (Panel Van Only)), №12 (Rear Power Outlet (Panel Van Only)), №29 (Cigarette Lighter) and №30 (Power Outlet) in the Engine Compartment Fuse Box.

Year of production: from 2006, 2007, 2008, 2009, 2010, 2011

Instrument Panel Fuse Box

Fuse Box Location

The location of the fuses in the passenger compartment: Chevrolet HHR (2006-2011)
The location of the fuses in the passenger compartment: Chevrolet HHR (2006-2011)

It is located on the passenger side panel of the center console.

Fuse box diagram

Interior fuse box diagram: Chevrolet HHR
Interior fuse box diagram: Chevrolet HHR

Assignment of the fuses and relay in the Instrument Panel

Usage
1Fuse Puller
2Empty
3Empty
4Empty
5Empty
6Amplifier
7Cluster
8Ignition Switch, PASS-Key III+
9Stoplamp
10Heating, Ventilation, Air Conditioning, PASS-Key III+
11Empty
12Spare
13Airbag
14Spare
15Windshield Wiper
16Climate Control System, Ignition
17Window Retained Accessory Power
18Empty
19Electric Power Steering, Steering Wheel Control
20Sunroof
21Spare
22Empty
23Audio System
24XM Radio, OnStar
25Engine Control Module, Transmission Control Module    
26Door Locks
27Interior Lights
28Steering Wheel Control Illumination
29Power Windows
Relays:
30Climate Control System
31Empty
32Retained Accessory Power (RAP)

Engine Compartment Fuse Box

Fuse Box Location

The location of the fuses in the engine compartment: Chevrolet HHR (2006-2011)

It is located on the driver side of the engine compartment, under the cover.

Fuse box diagram

Under-hood fuse box diagram: Chevrolet HHR
Under-hood fuse box diagram: Chevrolet HHR

Assignment of the fuses and relay in the Engine Compartment

Usage
1Electric Power Steering
2Rear Defogger
3Empty
4Body Control Module 3
5Starting System
6Body Control Module 2
7Rear Power Plug (Panel Van Only), Cooling Fan (SS only)
8Empty
9Air Conditioning Clutch Diode
10Liftgate, Sunroof
11Empty
12Rear Power Outlet (Panel Van Only)
13Fuel Pump
20Rear Wiper
21Mirror
22Air Conditioning
23Heated Seats (Option)
25Fuse Puller
27Empty
29Cigarette Lighter
30Power Outlet
31Daytime Running Lamps
32Empty
33Emissions
36Power Windows (Turbo Only)
37Power Seat (Option)
40Cooling Fan
41Engine Control Module
42Cam Phaser (Turbo Only)
43Engine Control Module, Transmission
44Antilock Brake System (Option)
45Injectors, Ignition Module
46Backup Lamps
47Heated Seat (Option)
49Windshield Washer Pump
53Fog Lamps (Option)
56Sensing and Diagnostic Module (SDM)
57Antilock Brake System (Option)
58Windshield Wiper Diode
59Windshield Wiper
60Horn
61Antilock Brake System (Option)
62Instrument Panel, Ignition
63Driver Side High-Beam
64Canister Vent
65Driver Side Low-Beam
66Passenger Side Low-Beam
67Passenger Side High-Beam
69Parking Lamps
Relays:
14Rear Defogger Relay
15Air Conditioning Clutch
16Empty
17Rear Wiper
18Liftgate Release
19Fuel Pump
24Empty
26Powertrain
28Daytime Running Lamps
34Starting System
35Empty
38Empty
39Windshield Washer Pump
48Rear Windshield Washer
50Cooling Fan
51Run, Crank
52Windshield Wiper
54Fog Lamps (Option)
55Horn
68Parking Lamps
70Windshield Wipers
71Headlamp Low-Beam
72Headlamp High-Beam
Other relays:

– A Center High-Mounted Stoplamp Relay and a Rear Access Panel Door Interlock Relay (Panel Van only) are located underhood in front of the left shock tower.

– The Left Rear Access Panel Door Relay (Panel Van Only), and the Right Rear Access Panel Door Relay (Panel Van Only) are located in the rear of the vehicle behind the right rear quarter trim panel.

– A Rear Power Plug mini fuse (Panel Van Only) is located near the battery in the rear of the vehicle.

Conclusion

For owners and enthusiasts of classic Chevrolet HHR (2006-2011), understanding the fuse box and relay systems is essential for vehicle maintenance. Regular inspection and maintenance of these components helped ensure the vehicle’s longevity and reliability, preserving its status as a symbol of Chevrolet’s craftsmanship and innovation in the automotive industry during that era.

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