2015 Peterbilt 389 Fuse Panel Diagram -

The 2015 model year uses blade-type fuses (mini and ATO). Always replace with the same amperage.

Note: Always verify with your specific VIN and chassis configuration—Peterbilt used slightly different layouts depending on options. 2015 Peterbilt 389 Fuse Panel Diagram

| Fuse # | Amp | Circuit | |--------|-----|-----------------------------| | F12 | 10A | Turn Signals / Hazard | | F18 | 15A | Cigarette Lighter / Power Port | | F22 | 5A | Instrument Cluster | | F30 | 20A | Windshield Wipers | | F40 | 10A | HVAC Control Head | The 2015 model year uses blade-type fuses (mini and ATO)

Missing/faded fuse panel diagram.