For those of you who think Chevrolet left room for improvement,
we offer the custom way to update your classic.


Customized wiring harness systems for
customized cars & trucks!

1955-57 CHEVROLET PASSENGER CARS

What is our Custom Update Series TM Wiring Set?
In basic terms, it's the simplest way to update your classic vehicle's wiring with the customized upgrades you want installed.  (upgrades may include: newer steering column, H.E.I., alternator, aftermarket heater & A/C system, reproduction tail light assembly, updated gauges, etc.).  It is a complete car/truck wiring system.

This is not a fits-all system.  It is custom manufactured for a specific year & model vehicle; designed with the foresight, engineering and flexibility to bring your vehicle's electrical system up-to-date.  When you install this system, you will determine the routing of the wires to fit your needs.

This system has been designed with the power capabilities necessary to run separate options*.

*some of these options may include power windows, stereo systems, air conditioning, computerized fuel injection / ignition system, ABS / ride control, other computerized systems, etc.  Wiring for these types of options are not provided with the Custom Update system.

Consult our on-line catalog & order form for your application & price.

1955-56 CHEVROLET Passenger Car, Nomad, & Wagon
(headlight -to- taillight system)
Part #500423

1957 CHEVROLET Passenger Car, Nomad, & Wagon
(headlight -to- taillight system)
Part #500434

Take a look at all the great items that are included in the
"1955-57 Chevy Custom Update Series Wiring System"
 
The completely new 18 fuse, 21 circuit, fuse box system that the Classic Update Series is built around comes completely ready to install under the dash. The harness that is mounted under the dash was assembled to accommodate the factory dash supports while not interfering with any aftermarket equipment that you will install under the dash now or in the future.
 
• Original dome lighting is included in the wiring system. Additionally, the Classic Update
    series includes under dash lighting and enough spare circuits to add power door locks,
    power windows and much more!
• Original design rear body weatherproof boot and tube assemblies and original design light
    sockets make  attachment to original or reproduction tail light assemblies an easy plug-in.
    Even custom applications require these assemblies for weather protection!
• All original connectors are provided for connecting to all original equipment: lighting, fuel
    sender, optional back-up lights, license lights, and even for adding a third brake light.
• Simple 3-7/8” male and female connectors are provided to connect any steering column
    from the original to fully modified. The wiring harness is completely GM color coded and
    we even supply the color code to adapt the original system.

All the Classic Update Series harness systems come ready to connect to the updated SI alternator and original coil/distributor or most any aftermarket system without additional parts. All Classic Update Kits were built around, and in conjunction with, other industry leaders to so our kits accept the connections of many top name aftermarket manufacturer's products such as, Autometer, Classic Instruments, Dakota Digital, Flaming River, Hot Rod Air, Ididit, Pacific Western's "Rain Gear", Stewart Warner, Vintage Air, and VDO. Classic Update Kits are engineered specifically for the exact requirements of the vehicle.
 
Consult our on-line catalog & order form for your application & price.

1955-57 Chevy Custom Update Series Wiring System

1. Original headlight bucket grommets, parking light weatherproof boot, tube assemblies and light sockets are included for 1955-56. Original parking light bar components supplied for 1957. Extra long leads are supplied for custom routing.

2. Accessory disconnect provided for connections to power windows, power seats, cruise control, fuel pump, power door locks, extra radio (CB) or optional power accessory.

3. New floor dimmer switch is provided. Wire length and connection accommodate original floor mounted dimmer switch.

4. Standard turn signal flasher, hazard flasher, and horn relay mounted on fuse panel.

5. Fuse box and custom mounting plate are designed for bolt-on, under dash installation. All required hardware supplied.

6. Steering column connectors will plug directly into most after market steering columns as well as 1969 and later GM columns which utilize stock GM turn signal switches. The original column can also be wired by using the supplied mating connector and terminals.

7. Heater control panel lighting, power, and blower motor leads are included for original style heaters as well as after market heat and AC updates.

8. Instrument Cluster wiring is designed with a "cluster harness disconnect" system for easy service and assembly. All original terminals, connectors, and light sockets are also supplied for original cluster gauges.

9. Replacement headlight switch with internal circuit breaker, retention collar nut, adjustable length shaft, and custom knob, extra connectors and instructions are included.

10. Original design rear body weatherproof boot and tube assemblies and original design light sockets make attachment to original or reproduction tail light assemblies an easy plug-in.

11. Rear body harness assembly is designed to plug into the main harness in the original under dash position utilizing existing retention clips. License plate connectors and terminals included. Fuel tank sender wire and terminal included. Special terminals included for original style door jamb switches and overhead dome light.

12. New ignition switch is included with indexed connector. Additional connectors and instructions are provided to use the original 1955-56 and 1957 ignition switches.

13. Front lighting includes extra long leads for special routing when custom under hood appearance is desired. All headlight, park light and directional light connectors and terminals are provided, as well as a switched trigger wire for electric fan relay (usually recommended with AC).

14. Engine wiring includes connectors for points type and HEI distributors. Power and tach connectors supplied for GM HEI distributors. Alternator connectors are supplied for GM "SI" series internal regulator and "one wire" alternators.

15. Engine wiring includes starter and gauge sender leads for water temp, oil pressure, and tach. Heavy 8 gauge alternator leads are supplied. Power circuits are fusible link protected.

 
Consult our on-line catalog & order form for your application & price.
 
 

Lectric Limited, Inc.
Manufacturer of Corvette, Chevrolet, GM, Chrysler, AMC & Jeep Wiring and Electrical Products!
6750 W. 74th St. - Suite A - Bedford Park, IL 60638 - U.S.A.
Phone:
708-563-0400 Local  -or-  866-624-1850 Toll-Free
www.ClassicCarElectrical.com

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