Fuse Circuits Testing

IGN3 FUSE
Location: Underhood Junction Block (UHJB)
Type: 30A Maxifuse
Feeds: Circuits 102A and 102B

If one of the following systems are operating normally, the fuse is most likely good.
- Starter solenoid
- Rear window defogger
- HVAC high blower relay
- Power windows
- Cruise control

If the fuse is blown determine the cause of the blown fuse and repair.

Replace fuse as needed.

IGN4 FUSE
Location: Underhood Junction Block (UHJB)
Type: 30A Maxifuse
Feeds: Circuit 202

If one of the following systems are operating normally, the fuse is most likely good.
- Backup lights
- EGR system
- Electronic ignition system
- Powertrain control module (PCM)
- Fuel injectors
- HVAC fan
- Radio
- Wiper motor

If the fuse is blown determine the cause of the blown fuse and repair.

Replace fuse as needed.