Field Notes

Installation guides, maintenance notes, and parts comparisons.

Practical writeups from the shop floor — the kind of thing you read before you turn a wrench.

6 articles
Installation

How to Install LED Headlights on a Heavy-Duty Truck

A step-by-step walkthrough for swapping halogen headlights for LED assemblies on Class 6–8 trucks, including wiring, sealing, and aiming.

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Maintenance

Air Filter Maintenance: When to Replace and Why It Matters

A practical maintenance schedule for air filters across duty cycles, plus the symptoms that tell you a filter is past its service life.

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Comparison

Performance Brake Pads vs. Standard: Which Is Right for Your Fleet?

Comparing friction materials, rotor wear, and total cost of ownership between standard and performance brake pads for fleet use.

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Maintenance

Five Signs Your Suspension Bushings Need Replacement

How to spot worn suspension bushings before they cause uneven tire wear, alignment drift, or a handling complaint from a driver.

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Installation

Auxiliary Lighting Wiring: Best Practices for Fleet Installations

Relay sizing, fuse selection, and harness routing rules that keep auxiliary lighting installations safe and serviceable.

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Comparison

Floor Mats vs. Floor Liners: Protecting Your Truck's Cab Floor

A side-by-side comparison of rubber floor mats and molded floor liners for fleet cabs, including coverage, retention, and cleanout.

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