2007 Peterbilt 387 Fuse Box Diagram (2025)

Table of Contents
1. [PDF] Model 387 schematics 2. [PDF] SK29863, Diagnostic - Electrical System, 387 - Truckers Report 3. peterbilt 387 Fuse box or relay box - Trucking & Driving Forums 4. 2007 Peterbilt 387 wiring diagram | TruckersReport.com Trucking Forum 5. [PDF] Model 579,567 - Peterbilt 6. Peterbilt 387 Fuse Box for Sale - Vander Haag's Inc 7. Peterbilt 387 Fuse Boxes, New/Used - Vander Haag's Inc 8. 2007 Used Peterbilt 387 Fuse Panel For Sale | Dorr, MI 9. Peterbilt Fuse Boxes & Panels - 579, 387, 386 and More 10. Peterbilt Model 387 Operator's Manual prior to 12-06 - YUMPU 11. [PDF] P94-6023, Schematic - 379 Model Family Electrical - Supermiller 12. [PDF] 348 337 330 325 - Peterbilt 13. Peterbilt Diagnostic Electrical System 387 by MaryLindhorstZ - Issuu 14. 2007 Peterbilt 387 Fuse Box - HeavyTruckParts.net 15. 2006 Peterbilt 387 Electrical Parts, Misc. 16. Resources - Peterbilt FAQs References

1. [PDF] Model 387 schematics

  • 1) INDEX SYMBOL KEY. 2) HARNESS FLOW CHART. 3) +12V POWER DISTRIBUTION. 4) NEGATIVE POWER DISTRIBUTION. 5) +12V POWER DISTRIBUTION (OPTIONAL DISCONNECT).

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2. [PDF] SK29863, Diagnostic - Electrical System, 387 - Truckers Report

  • 1) INDEX SYMBOL KEY. 2) HARNESS FLOW CHART. 3) +12V POWER DISTRIBUTION. ( OPTIONAL DISCONNECT, START JUMP TERMINALS ). 4) NEGATIVE POWER DISTRIBUTION.

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3. peterbilt 387 Fuse box or relay box - Trucking & Driving Forums

  • The main fuse/breaker assembly is under the hood on the passenger side mounted to the firewall next to the windshield washer fill tube.

  • Owner Operators Forums - peterbilt 387 Fuse box or relay box - I was wondering does anyone know how to reset the fuse box or circuit breaker on a peterbilt 387. My radio fuse blew out. I remove the glove box and there are no fuses just a red light on the fuse box indicating the radio fuse is Out.. thanks in advance[/lis

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4. 2007 Peterbilt 387 wiring diagram | TruckersReport.com Trucking Forum

  • Jun 14, 2015 · 2007 Peterbilt 387 wiring diagram ... I believe it is probably in the harness from the back of the fuse panel to inside of the truck.

  • Hello Everyone, Owner Operator here that is new to this forum, Wondering if anyone has wiring diagrams on a 2007 Peterbilt 387. I am having some issues...

2007 Peterbilt 387 wiring diagram | TruckersReport.com Trucking Forum
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5. [PDF] Model 579,567 - Peterbilt

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6. Peterbilt 387 Fuse Box for Sale - Vander Haag's Inc

  • Used Peterbilt 387 Right/Passenger Fuse Box for sale, from a 2010 Peterbilt 387 Truck. Mounts under glove box on firewall, does not include wiring harness.

  • Peterbilt 387 Fuse Box for sale. Enjoy our hassle-free online checkout or call to speak to an expert.

Peterbilt 387 Fuse Box for Sale - Vander Haag's Inc
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7. Peterbilt 387 Fuse Boxes, New/Used - Vander Haag's Inc

  • Peterbilt 387 Right/Passenger Fuse Box - Used USED - Mounts to exterior firewall, Does not include wiring or cover Item:25479514 Winamac, IN $625.00

  • Search our large inventory of New/Used Peterbilt 387 Fuse Boxes for sale. Enjoy our hassle-free online checkout or call to speak to an expert.

Peterbilt 387 Fuse Boxes, New/Used - Vander Haag's Inc
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8. 2007 Used Peterbilt 387 Fuse Panel For Sale | Dorr, MI

  • 2007 Used Peterbilt 387 Fuse Panel for sale in Michigan for $270.00 USD. View photos, details, and other Fuse Boxes & Panels for sale on ...

  • If you believe this is a mistake, please fill out the form below and we will review your request to remove the block.

    See Also
    King of the Monsters

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9. Peterbilt Fuse Boxes & Panels - 579, 387, 386 and More

  • Shop Peterbilt fuse boxes & panels at My Little Salesman. Browse our great selection and choose from a variety of features and specs.

  • If you believe this is a mistake, please fill out the form below and we will review your request to remove the block.

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10. Peterbilt Model 387 Operator's Manual prior to 12-06 - YUMPU

  • May 20, 2014 · A separate accessory block contains fuses and relays and can be
    ... Peterbilt Model 320 Operator's Manual after 8-07 - Peterbilt Motors ...

  • Peterbilt Model 387 Operator's Manual prior to 12-06

Peterbilt Model 387 Operator's Manual prior to 12-06 - YUMPU
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11. [PDF] P94-6023, Schematic - 379 Model Family Electrical - Supermiller

  • FUSE BLOCK. J1587 DATA BUS CONNECTOR. RELAY ASSEMBLY. ( OPTIONAL ). ANTENNA ... SH 27, REFDES S387-1, NODE 1. SH 19, REFDES S58, NODE 1. SH 19, REFDES S58 ...

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12. [PDF] 348 337 330 325 - Peterbilt

  • fuse panel which fuse controls that component. 3. Remove that fuse and see ... diagram for your chassis before adding electrical options. WARNING ...

Free Download ›

13. Peterbilt Diagnostic Electrical System 387 by MaryLindhorstZ - Issuu

  • Jan 19, 2023 · ... 387 SK29863 F 07 Peterbilt Diagnostic Electrical System 387 Full download: ... Pb387 Instrument System Service Manual,Peterbilt Schematic ...

  • Peterbilt Diagnostic Electrical System 387 Full download: http://manualplace.com/product/peterbilt-diagnostic-electrical-system-387/ Peterbilt Pb387 Model 387 Schematics Sk30218,Peterbilt Model 387 Operators Manual After 1 07 Supplementalmanuals,Peterbilt Model 387 Operators Manual Prior To 12 06 Supplementalmanuals,Mazda Modular Diagnostic System,Peterbilt Pb387 Instrument System Service Manual,Peterbilt Schematic 379 Model Family Electrical

Peterbilt Diagnostic Electrical System 387 by MaryLindhorstZ - Issuu
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14. 2007 Peterbilt 387 Fuse Box - HeavyTruckParts.net

  • USED Peterbilt 387 Fuse Box #25256170 For sale at Council Bluffs, IA. | HeavyTruckParts.Net.

  • Peterbilt 387 Fuse Box #25256170 on HeavyTruckParts.Net. MOUNTS TO INTERIOR FIREWALL BEHIND GLOVE BOX, DOES NOT INCLUDE HARNESS

2007 Peterbilt 387 Fuse Box - HeavyTruckParts.net
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15. 2006 Peterbilt 387 Electrical Parts, Misc.

  • P126 Peterbilt Fuse box, Mounted to firewall, - for sale in Abbotsford, BC.

  • P126 Peterbilt Fuse box, Mounted to firewall, - for sale in Abbotsford, BC

2006 Peterbilt 387 Electrical Parts, Misc.
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16. Resources - Peterbilt

  • Peterbilt Model 589 Launch Recap! Peterbilt ... Model 567 Fuse Box & On Board Diagnostic.

  • Description for the Resources page.

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2007 Peterbilt 387 Fuse Box Diagram (2025)

FAQs

How do you diagnose a bad fuse box? ›

Common Fusebox Problems To Look Out For
  1. Tripped Circuit Breakers. Signs: Frequent circuit breaker trips resulting in power outages in specific areas of your home. ...
  2. Flickering or Dimming Lights. ...
  3. Continuously Tripping Ground Fault Circuit Interrupters (GFCIs) ...
  4. Buzzing or Sizzling Sounds. ...
  5. Old or Outdated Fuseboxes.
Aug 10, 2024

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What are the main fuses in fuse box? ›

Your fuse box will have two sets of fuses. At the bottom will be 15-amp and 20-amp screw-in fuses with glass faces that are exposed and visible. These fuses will service branch light circuits and outlet circuits. At the top will be 30-amp or 40-amp cartridge main fuses for ovens, laundry rooms, or stoves.

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Where is the fuse layout? ›

Engine fuse boxes are typically situated near the battery. In this vehicle, the battery is on the driver's side, and there is a fuse box right above it with a black plastic cover to protect the fuses. On the passenger side, there is also a battery, and the fuse box is located nearby.

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Where are the two fuse panels located? ›

Q: How many fuse boxes are in a vehicle? A: Usually, there are two fuse boxes in a car, one located under the hood and the other near the dashboard or steering wheel.

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Where is blown fuse located? ›

Open the fuse box door. Inspect each fuse using a flashlight to find the one that is burned or melted (the working fuses will have a clear glass casing but the blown one will look cloudy or blackened).

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Where is the secondary engine compartment fuse box? ›

The secondary under-hood fuse box is next to the battery. To open it, push the tabs as shown. If something electrical in your vehicle stops working, check for a blown fuse first. Determine from the chart on pages and , or the diagram on the fuse box lid, which fuse or fuses control that device.

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What fuses turn on with ignition? ›

A switched fuse is one that only has power when the ignition is turned on, while a constant fuse always has power.

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How to know which fuse is for what? ›

Small fuses generally identify the element speed using markings such as F, M, T etc, whilst larger fuses identify the element speed using markings such as gL, gG, aM etc. Some fuses use terms such as slow acting, fast acting, motor rated etc.

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What does the ECU fuse do? ›

The Engine Control Module (ECM) Fuse is a crucial component within a vehicle's fuse box that serves as a safeguard for the ECM, also known as the engine control unit (ECU).

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Is there an internal fuse box? ›

Most vehicles have two fuse boxes, with one under the hood and the other in the cabin. You can usually find the other fuse box in the dashboard on the driver's side, but some manufacturers also place it below the glove box. If the interior fuse box isn't there, you can try checking the luggage compartment.

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What are the components of a fuse box? ›

It contains three things – the main switch, fuses and/or circuit breakers, and Residual Current Devices. A) Main Switch – this allows you to turn off the electricity supply to your home. You might have more than one mains switch, for example if your home has electric storage heaters.

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Where are fuse boards located? ›

Fuse boxes are commonly found in utility rooms, porches or under-the-stairs cupboards. You may also have one in your hallway or garage. Wherever your fuse board is located, you must have easy access to it. Make sure you keep the area surrounding your fuse box clear from clutter.

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