Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSPONTIAC2007WAVE LT, 4D HATCHBACK, STANDARD, Y4M/MLMREPAIR AND DIAGNOSISELECTRICALWIRING DIAGRAMSWIRING SYSTEMS & POWER MANAGEMENT - 2 OF 9ELECTRICAL CENTER IDENTIFICATION VIEWS (HATCHBACK)
2007 Pontiac Wave LT, 4D Hatchback, Standard, Y4M/MLM
Electrical Center Identification Views (Hatchback)
2007 Pontiac Wave LT, 4D Hatchback, Standard, Y4M/MLMSECTION Electrical Center Identification Views (Hatchback)
Fuse Block - Underhood Label Usage
| Device | Rating | Description |
|---|---|---|
| Ef1 - PWR WNDW | 30A | Power Window Relay |
| Ef2 - MAIN RELAY | 20A | Main Relay (1.2L) |
| Ef3 - COOL FAN | 30A | Cooling Fan Relay |
| Ef4 - ABS | 50A | EBCM |
| Ef5 - IGN1 | 30A | Ignition-1 |
| Ef6 - IGN2 | 30A | Ignition-2 |
| Ef7 - I/P FUSE | 30A | Battery Main |
| Ef8 - HVAC BLOWER | 20A | Blower Motor |
| Ef9 - FOG LAMPS | 15A | Front Fog Lamp Relay |
| Ef10 - FUEL | 15A | Fuel Pump Relay |
| Ef11 - HORN | 10A | Horn, Theft Deterrent Alarm, and Hood Contact Switch |
| Ef12 - S/ROOF | 20A | Sunroof Module |
| Ef13 | - | Not Used |
| Ef14 - ILLUM LT | 10A | License Lamp, Tail Lamp, Position Lamp |
| Ef15 - ILLUM RT | 10A | Tail Lamp, Position Lamp, Illumination Lamp |
| Ef16 - DIODE | - | Fog |
| Ef17 | - | Not Used |
| Ef18 - A/C | 20A | A/C Compressor |
| Ef19 - HEADLAMPS | 25A | DRL Module, Headlamp Relay |
| Ef20 - ILLUM LAMPS | 20A | Illumination Relay |
| Ef21 - DEFOG | 30A | Defog |
| Ef22 - INT LTS | 10A | Room Lamp, Trunk Lamp |
| Ef23 - LOW BEAM LT | 10A | Headlamp Low |
| Ef24 - LOW BEAM RT | 10A | Headlamp Low |
| Ef25 - HI BEAM LT | 10A | Headlamp High |
| Ef26 - HI BEAM RT | 10A | Headlamp High |
| Ef27 | 10A | Spare |
| Ef28 | 15A | Spare |
| Ef29 | 20A | Spare |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.