Digital Database
Cost of Rewiring a Truck: Price Guide – Adnan Painting and Remodeling
Published: 2026-06-30T07:56:52+00:00 • 3 min read

Owners typically pay for a full truck rewire based on harness complexity, labor time, and component quality. Main cost drivers include parts, labor rates, and whether the job uses an aftermarket or OEM harness. This article provides clear cost estimates in USD, with low–average–high ranges and practical pricing notes.

Item Low Average High Notes
Harness Kit $600 $1,100 $2,000 OEM or high-quality aftermarket harness; complexity affects price
Labor $600 $1,500 $3,000 Typically 12–30 hours at $50–$150/hour
Diagnostics & Wiring Time $100 $350 $800 Includes fault finding and system map updates
Electrical Components $50 $250 $700 Fuses, relays, connectors, fuse blocks
Delivery/Disposal $0 $40 $150 Chassis harness shipments or old harness disposal
Permits/Inspections $0 $50 $200 Typically not required for typical rewires
Warranty/Follow-up $50 $150 $350 Limited vs. comprehensive warranty

Assumptions: region, harness type, vehicle model, labor hours.

Overview Of Costs

Typical total project ranges include both parts and labor, with per-unit estimates often shown as $/hour for labor or $/sq ft equivalents for modular harnesses. A straightforward replacement on a common pickup may land in the $1,200–$2,800 range, while complex antique or high-end builds can exceed $4,000. If the job uses OEM components or dealer service, expect toward the higher end of these ranges.

Cost Breakdown

The following table summarizes major cost categories and how each contributes to the total. Assumptions: region, specs, labor hours.

Category Low Average High Notes
Materials $50 $250 $700 Wiring, connectors, brackets
Labor $600 $1,500 $3,000 Typical 12–30 hours at $50–$150/hr
Equipment $0 $50 $250 Diagnostic tools, harness testers
Permits $0 $50 $200 Generally not required
Delivery/Disposal $0 $40 $150 Installer logistics
Warranty $50 $150 $350 Post-install support

What Drives Price

Key cost drivers include harness complexity, vehicle age, and component quality. A simple rewire with a basic harness on a newer truck is cheaper than a full rewire in a classic truck with old wiring and nonstandard connectors. Additional drivers include the need for custom loom fabrication, weatherproofing, and integration with modern modules such as ECU, fogs, or aftermarket audio systems.

Factors That Affect Price

Several variables influence final pricing beyond the parts and labor base. Vehicle type and electrical system complexity determine time and tooling requirements. SEER-like constraints apply analogously to HVAC, but for trucks the pertinent measures are harness count, the number of circuits, and the running length of the new wiring. A truck with multiple aftermarket modules, or a diesel with heavy accessories, tends to cost more.

Regional Price Differences

Prices vary by region due to labor markets and supply chains. Three regional snapshots illustrate typical deltas:

  • West Coast: +5% to +15% versus national average due to higher labor rates
  • Midwest: near national average, sometimes slightly below for mid-sized shops
  • South/East: often 0% to -5% relative to national average, with regional parts availability

Labor, Hours & Rates

Labor costs are a major portion of the total. Estimates use the range $50–$150 per hour depending on shop, technician experience, and city. The duration depends on harness complexity: a simple, plug-and-play harness may take 12–18 hours, while a full custom rewire could span 25–35 hours or more.

Additional & Hidden Costs

Some projects incur extras that should be anticipated. Hidden fees may include diagnostic tests after rewire, loom re-routing, and weatherproofing upgrades. Also consider potential costs for future upgrades or rework if the electrical system evolves (lighting, sensors, or performance modules).

Real-World Pricing Examples

Three scenario cards illustrate typical outcomes. These examples assume a mid-range harness kit and standard truck wiring.

  1. Basic Scenario: Simple harness swap on a modern pickup, standard connectors, no extra modules. Parts $500–$900; Labor 12–16 hours at $60–$90/hr; Total $1,200–$2,000.
  2. Mid-Range Scenario: OEM-style harness with some aftermarket sensors, minor loom work. Parts $900–$1,400; Labor 18–24 hours at $70–$110/hr; Total $2,200–$3,700.
  3. Premium Scenario: Full custom rewire on an older model, integrated with ECU and upgraded protection, weatherproofing, and warranty. Parts $1,400–$2,000; Labor 28–40 hours at $90–$150/hr; Total $4,000–$7,000.

Assumptions: region, specs, labor hours.