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Classic Auto Fuse Series Dash Harnesses

Now Available for 1968-1972 Chevelle / El Camino / Monte Carlo

M&H Part 39405 Chevelle / El Camino / Monte Carlo Classic Auto Fuse Series Dash Harness
Factory Replacement Style Dash Harnesses with ATO Type Fuse Blocks
No cutting, modifying or altering of any sort required

Our new Classic Auto Fuse Series Dash Harnesses allow the professional restorer to maintain the plug and play functionality of the original factory type harnesses, while converting the entire fuse block to an Auto Fuse Series (ATO Type) fuse block. The Classic Auto Fuse Series Dash Harnesses give restorers the flexibility to add additional power circuits, without the installation headaches normally associated with this type of fuse box conversion.

The plug and play Classic Auto Fuse Series Dash Harness are a first in the industry. Don’t be fooled by clever advertising and claims by others that their do-it-yourself harnesses are easy to install. There is no other product like this on the market, anywhere.

There is no cutting, modifying or altering of any sort required. Just plug it in and turn it on, it’s that simple. The Classic Auto Fuse Dash Harnesses are completely compatible with the remaining harnesses in the car; couple that with our world renowned Free technical support for the finest product money can buy.
ATO Type Fuse Box
Features an ATO Type Fuse Block

ATO Type Fuse Block with additional, fully integrated power ports allow the restorer to easily tap power for aftermarket electronic devices such as audio accessories, electric fans & ignition boxes.

Original Factory Bulkhead Connector
Original Factory Bulkhead Connector

An Original Factory Bulkhead Connector is used on the back of the ATO Fuse Block. This allows the restorer to maintain the plug & play functionality of factory original style Engine & Forward Harnesses.

OEM Type Connectors
GXL Wire & OEM Connectors

We use U.S.A. made GXL wire which is much more tolerant to heat than the original GPT type wire that was used from the factory. Wire colors match the original factory specs, as does every connector and terminal.

Check Out These Outstanding Features

  • Upgraded Main Power Circuits
    The main power circuits have been upgraded to ensure the extra capacity of the new Classic Auto Fuse Series fuse block. No need to worry about splicing onto existing fuses and circuits for aftermarket type accessories and overloading the fuse.
  • Three Constant Battery Power Accessory Ports
    Original Glass Series fuse boxes have only one port. These 3 ports supply constant battery power regardless of the ignition switch position. Each of these ports has a maximum fuse capacity of 10 amps.
  • One Instrument Cluster Lamps Accessory Port
    Original Glass Series fuse boxes have only one port. This port is used to access the rheostat circuit on the headlamp switch, so the optional lamps connected to this port will dim and brighten with the dash lamps. This port has a maximum fuse capacity of 1 amp which is perfect for night lights in tachs and gauges etc.
  • Two Ignition Power Accessory Ports
    Original Glass Series fuse boxes have only one port. These 2 ports supply switched battery power when the ignition switch is in the run position only. Each of these ports has a maximum fuse capacity of 5 amps.
  • Two Accessory Power Accessory Ports
    Original Glass Series fuse boxes have only one port. These two ports supply switched battery power when the ignition switch is in the run or accessory position only. Each of these ports has a maximum fuse capacity of 5 amps.
  • Three Spare Fuse Ports
    These three Spare Fuse Ports have an undefined fuse rating that can be designed by the customer based on the individual need and each port can handle up to 20 amps per cavity. If all three are not used, restorers may increase the remaining individual fuse ratings up to 30 amps for the remaining one to two cavities. In order to use these spare fuses, the optional kit part number 39383 “Spare Fuse Power Wiring Extension Harness” will be required. Instructions are included with this kit.

Optional Items for Classic Auto Fuse Series Dash Harnesses


15-Way Connector And Terminal Kit
15-Way Connector And Terminal Kit
M&H Part Number: 44305

Provides a convenient 15-circuit connection point for aftermarket accessories and added electrical equipment. The kit can be configured as one 15-way disconnect or separate 11-way and 4-way connections, mounts directly to compatible 40mm fuse block rails, and can also serve as a stand-alone in-line connector.

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Accessory Indexed Connector And Terminal Kit
Accessory Indexed Connector And Terminal Kit
M&H Part Number: 39384

Includes indexed connectors and terminals for adding accessories through the front accessory ports of the Classic Auto Fuse Series fuse block. The color-coded connectors identify specific power circuits and help prevent accessories from being connected to the wrong fused, unfused, ignition, battery, or instrument-lighting port.

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Fuse And Flasher Kit
Fuse And Flasher Kit
M&H Part Number: 39464

Provides the fuse and flasher assortment for compatible 1968 Chevelle Classic Auto Fuse Series Dash Harnesses. The 15-piece kit includes a complete set of ATO-type fuses, one spare of each fuse amperage, one turn signal flasher, and one hazard flasher for a convenient installation-ready assortment.

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Fuse And Flasher Kit
Fuse And Flasher Kit
M&H Part Number: 39466

Provides the fuse and flasher assortment for compatible 1969-1971 Chevelle Classic Auto Fuse Series Dash Harnesses. The 15-piece kit includes a complete set of ATO-type fuses, one spare of each fuse amperage, one turn signal flasher, and one hazard flasher. Check fitment details for the correct dash harness application.

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Fuse And Flasher Kit
Fuse And Flasher Kit
M&H Part Number: 39463

Provides the fuse and flasher assortment for compatible 1970 Chevelle Classic Auto Fuse Series Dash Harnesses. The 15-piece kit includes a complete set of ATO-type fuses, one spare of each fuse amperage, one turn signal flasher, and one hazard flasher. Check fitment details for the correct dash harness application.

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Fuse And Flasher Kit
Fuse And Flasher Kit
M&H Part Number: 39465

Provides the fuse and flasher assortment for compatible 1972 Chevelle Classic Auto Fuse Series Dash Harnesses. The 17-piece kit includes a complete set of ATO-type fuses, one spare of each fuse amperage, one turn signal flasher, and one hazard flasher for a convenient installation-ready assortment.

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Glass Fuse Series Accessory Adapter Kit
Glass Fuse Series Accessory Adapter Kit
M&H Part Number: 39385

Adapts original accessories designed to plug into the factory glass-fuse block for use with the Classic Auto Fuse Series fuse block. The indexed adapters preserve factory-style accessory connections for options such as cowl induction, passing gear, glove box lighting, power windows, and other original power accessories without modifying their wiring.

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Spare Fuse Power Wiring Extension Harness
Spare Fuse Power Wiring Extension Harness
M&H Part Number: 39383

Activates the three additional spare fuse cavities built into the Classic Auto Fuse Series Dash Harness. The kit adds a protected battery feed and three fused output leads that can be routed to higher-draw accessories such as power windows, electric fuel pumps, electric fans, aftermarket air conditioning, and similar equipment.

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