🔧 Tip: Always use a test light—don’t guess and pull fuses blind.
The 2015 model year uses blade-type fuses (mini and ATO). Always replace with the same amperage.
#Peterbilt389 #PeterbiltTrucking #TruckRepair #FusePanel #DieselLife Subject: 2015 Peterbilt 389 – Fuse Panel Identification 2015 Peterbilt 389 Fuse Panel Diagram
Missing/faded fuse panel diagram.
Save this post for roadside troubleshooting. 🚛 🔧 Tip: Always use a test light—don’t guess
2015 Peterbilt 389 (all trims)
On the 2015 Peterbilt 389, the main fuse panel is located inside the cab, behind the lower dash panel on the driver’s side (left side of the steering column). A secondary power distribution module is often found in the battery box for high-current circuits. A secondary power distribution module is often found
If you own or drive a 2015 Peterbilt 389, you already know that electrical issues can bring a haul to a halt fast. Whether it’s your headlights, turn signals, HVAC blower, or power ports—knowing exactly which fuse to check is critical.