What M&H Electric Fabricators does

M&H Electric Fabricators, Inc. is a privately held US manufacturer founded in 1985 and headquartered in Santa Fe Springs, California, specializing in exact reproduction electrical components for classic American muscle cars and trucks spanning model years 1929 through 2002+. The company's core product lines comprise four categories: hand-assembled wiring harnesses manufactured to original OEM specifications (wire gauge, length, color, connectors, terminals) using USA-made GXL wire; reproduction battery cables and ground straps; reproduction switches (turn signal, wiper, headlight, ignition, and others); and the proprietary Breakerless SE Electronic Ignition system, a Hall Effect-based solid-state conversion kit for 1957-74 GM/AMC/Jeep V8 distributors with CARB EO D-275-1 certification making it legal in all 50 states. An accessory catalog extends to alternator conversion kits, date-coded Chrysler coils, lighting kits, wiper motors, washer pumps, trailer light adapters, and Classic Auto Fuse Dash Harnesses with ATO-type fuse blocks and plug-and-play accessory ports.

The company serves individual restorers, professional restoration shops, and Chrysler/GM/AMC muscle car enthusiasts requiring factory-accurate electrical components. Its business model is one-time unit-based product sales with no subscription component, distributed through three channels: direct e-commerce via wiringharness.com (the primary channel), an authorized dealer network of third-party retailers, and a core distribution partnership with Summit Racing Equipment. The company offers free technical support, a 100% Satisfaction Guarantee, and custom wire harness manufacturing services for non-standard applications. Value proposition centers on plug-and-play installation (no cutting, crimping, or splicing required), exact OEM-spec reproduction, and US hand-assembly quality. The company is privately held with no disclosed funding rounds, no parent organization, and no executive team information available.

Name

M&H Electric Fabricators

Legal name

M&H Electric Fabricators, Inc.

Website

https://wiringharness.com

Company type

Private

Founded year

1985

Operating status

Operating

Headcount range

11–50 employees

Short description

M&H Electric Fabricators is a US manufacturer of exact reproduction wiring harnesses, battery cables, switches, and electronic ignition systems for classic American muscle cars and trucks (1929-2002+), sold through direct e-commerce, a dealer network, and Summit Racing.

Ownership category

akta.pro rank

Product category

Automotive Electrical Parts

NAICS

Motor Vehicle Electrical and Electronic Equipment Manufacturing (33632), Communication and Energy Wire and Cable Manufacturing (33592)

SIC

Electronic Connectors (3678), Electronic & Other Electrical Equipment (No Computer Equip) (3600)

akta.pro primary industry

Vehicle Wiring Harnesses & Cable Assemblies Manufacturing (IMACAJAA)

akta.pro secondary industries

Cable Assemblies & Wire Harnesses (HDAHAOAB), Aftermarket Battery, Charging & Power Accessories Manufacturing (12V Batteries/Jump Starters/Chargers/Inverters) (IMACANAL)

Keywords

• Wiring harness manufacturing
• Classic auto electrical parts
• Battery cable reproduction
• Electronic ignition kits
• Muscle car restoration parts

Headquarters

HQ city

Santa Fe Springs

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2C

Offering type

Hardware or Manufacturing

Cost components

Personnel, Supply Chain, Operations, Infrastructure, Marketing or Sales

Revenue model

1. Product Sales: Revenue is generated through direct sales of reproduction electrical products for classic American muscle cars including wiring harnesses, battery cables, switches, ignition systems, and related components. Sales occur through the company's e-commerce website, dealer network, and third-party distributors like Summit Racing. Products are sold on a one-time purchase basis with no recurring subscription model.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels2 records

Core offering

M&H Electric Fabricators manufactures and sells exact-reproduction electrical components for classic American muscle cars and trucks (1929-2002 vintage), including wiring harnesses, battery cables, switches, and the proprietary Breakerless SE electronic ignition system. All wiring harnesses are hand-assembled at the company's Southern California facility using USA-made GXL wire, with products engineered to match original factory specifications for wire gauge, length, color, connectors, and terminals. The company sells direct to consumers and restoration shops, and also supports custom wire harness manufacturing and a dealer network.

Product overview

M&H Electric Fabricators is a manufacturer of exact reproduction electrical products for American muscle cars and trucks. The company offers a comprehensive portfolio of four core product lines—Wiring Harnesses, Battery Cables, Switches, and Breakerless SE Ignition systems—along with numerous specialized accessories including Classic Auto Fuse Dash Harnesses (with ATO Type fuse blocks), Alternator Conversion Kits, Chrysler-specific products, Lighting Kits, and various electrical components like junction blocks, wiper motors, and washer pumps. All wiring harnesses are hand-assembled at the company's manufacturing facility in Southern California using U.S.A. made GXL wire. Products feature plug-and-play installation with exact reproductions matching original factory specifications for wire gauge, length, color, connectors, and terminals. The company serves both individual consumers and dealers, offering custom wire harness manufacturing capabilities.

Differentiator

Problem solved

Functional benefit

Products and services

• Wiring Harnesses Exact reproduction wiring harnesses for American muscle cars and trucks (1929-2002), hand-assembled in Southern California. Wire gauge, length, and color match original stock specifications with plug-and-play installation requiring no cutting, crimping, or splicing.
• Battery Cables Reproduction battery cables and ground straps manufactured to GM and Chrysler original factory specifications, available in top post, side post, and spring-ring configurations. Features proper length, correct gauge cable, copper strands, exterior coating, part number stamping, and improved spring-ring inserts.
• Switches Extensive catalog of reproduction switches for American muscle cars and trucks including turn signal switches, backup lamp switches, wiper switches, headlight switches, ignition switches, and other types, manufactured to original OEM specifications with upgraded materials for improved durability.
• Breakerless SE Ignition Proprietary electronic ignition conversion kit that converts 1957-1974 GM, AMC, or Jeep V8 breaker point type distributors to solid-state electronic ignition. Features Hall Effect rotary-vane sensor technology, fully integrated trigger and power module fitting inside the distributor, and CARB EO D-275-1 certification making it legal in all 50 states.
• Classic Auto Fuse Dash Harnesses Factory replacement style dash harnesses with ATO Type fuse blocks that convert original glass fuse boxes. Available for Camaro, Chevelle, El Camino, Chevy Truck, and GMC Truck, featuring plug-and-play installation with additional accessory power ports.
• Alternator Conversion Kits Kits for alternator conversions in classic vehicles.
• Check Engine Lamp Driver Module Electronic module for driving check engine indicator lamps in 1982-92 Chevy Truck applications.
• Chrysler Wiring Harnesses Wiring harnesses specifically designed for Chrysler vehicles.
• Date Coded Chrysler Coils Reproduction ignition coils with correct date coding for Chrysler vehicles.
• Lighting Kits Complete lighting solution kits for classic vehicles.
• Transistor Ignition Replacement Module Electronic replacement module for transistor ignition systems.
• Windshield Wiper Motors Reproduction windshield wiper motors available in 2-speed 3-terminal and 4-terminal configurations, plus conversion kits for vacuum-operated systems.
• Windshield Washer Pumps Reproduction windshield washer pumps for various classic vehicle applications.
• Wiring Junction Blocks Reproduction wiring junction blocks in 3-terminal, 4-terminal, and 5-terminal configurations for headlamp wire junctions, available for various Buick, Cadillac, Chevrolet, GMC, and Pontiac vehicles from 1937-1955.
• TBI Fuel Injector Wire Grommets Wire grommets for throttle body injection (TBI) fuel injector applications.
• Trailer Light Adapter Harnesses Adapter harnesses for connecting trailer lighting to vehicle electrical systems.
• Alternator Battery Stud Protectors Protective accessories for alternator battery studs.
• Custom Wire Harness Manufacturing Bespoke wire harness manufacturing service for customers requiring non-standard or specialized electrical systems beyond the standard reproduction catalog products.

Quantifiable outcome

• 100% Satisfaction Guarantee on all products
• +1 more outcomes

Segments2 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

One partnership is on record.

• Summit Racing EquipmentcoreChannel Partner/ Reseller/ DistributorSummit Racing is a major third-party distributor of M&H Electric Fabricators products, listing items such as the Breakerless SE ignition kit (SUM-RP20489) and various switches on their platform, providing expanded market reach for M&H products.

Scale indicators2 records

Recent moves5 records

Expansion highlights5 records

Emerging players

• Rhode Island Wiring: Rhode Island Wiring manufactures reproduction wiring harnesses for British and European classic cars. While not directly competing with M&H's American muscle car focus, they operate in the adjacent niche of vintage vehicle reproduction wiring.
• Mad Electrical: Mad Electrical specializes in automotive electrical upgrades and replacement wiring for vintage vehicles, particularly VW and air-cooled vehicles. They represent a smaller, niche competitor in the classic vehicle electrical reproduction space.
• EZ Wiring: EZ Wiring offers aftermarket wiring harness kits for hot rods and classic trucks, overlapping with M&H's product category but with a focus on universal hot rod applications rather than exact OEM-spec muscle car reproductions.

Direct peers

• Painless Performance Products: Painless Performance is a direct competitor manufacturing aftermarket wiring harnesses for both classic muscle cars and hot rods. They share the same core product category (vehicle wiring harnesses) and target the same restoration enthusiast customer base, making them the closest direct peer.
• American Autowire: American Autowire specializes in reproduction and universal wiring harnesses for classic American vehicles, directly competing with M&H in the same product category and serving identical muscle car restoration customers. They offer similar plug-and-play solutions and extensive catalog coverage.
• Lectric Limited: Lectric Limited manufactures reproduction wiring harnesses specifically for GM vehicles from the 1950s-1970s era, directly overlapping with M&H's core product lines and serving the same classic muscle car restoration market.

Broad incumbents

• Classic Industries: Classic Industries is a major broad-line restoration parts supplier offering everything from body panels to wiring harnesses for classic GM vehicles. They compete with M&H on wiring products but operate as a comprehensive restoration parts distributor with much broader catalog scope.
• Year One: Year One is a large restoration parts catalog company serving classic muscle car enthusiasts with reproduction parts across multiple categories including electrical components. They overlap with M&H on wiring and electrical accessories but offer a much broader product portfolio.
• Summit Racing Equipment: Summit Racing is both a distribution partner and a broad incumbent in the performance/muscle car parts space. While they distribute M&H products, they also sell competing wiring harness brands, making them a partial peer in the broader aftermarket parts ecosystem.
• Speedway Motors: Speedway Motors is a major mail-order and online retailer of performance and hot rod parts, including wiring harnesses for vintage vehicles. They serve an overlapping customer base with M&H and offer comparable electrical components.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks5 records

Key highlights6 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about M&H Electric Fabricators