Gregory Bender
 

Laverda wiring harnesses

Wire harnesses and looms for Laverda motorcycles

A regulator Moto Guzzi customer contacted me requesting that I duplicate the wiring harnesses needed for the pair of 1968 Laverda American Eagles he was restoring. I agreed and he dropped off two large bags of wiring and related components.

I duplicated the wiring from the originals he provided. Except where noted, each is a replication of the original Laverda wiring harness. I use the same gauge of wire, the same colors and tracers (stripes), the same length and sheathing, the same terminals, etc. All terminals are of the double crimp, strain relief variety.

As of yet, I have not come across an accurate wiring diagram that correctly reflects the original wiring harness from both 1968 Laverda American Eagles I used as originals. Likewise, I've not been able to identify the official Laverda part numbers for each harness. I suspect that both exist, but are thin on the ground. Should you have either, please let me know.

Furthermore, should you have another Laverda for which you would like me to create a wiring harness or loom, please let me know as I will be more than happy to work with you.

Can't find what you are looking for? Let me know what you need and I'll build to order.

To order, e-mail: greg@thisoldtractor.com

Main harness for the Laverda 750 GT American Eagle

Description Photo Price

Laverda 750 GT American Eagle

Note: Main harnesses comprise the main - or primary - wiring harness. Each motorcycle also uses ancillary sub-harnesses. The individual sub-harnesses are sold separately.

Wires that connect to the key switch panel. Included terminal ends may be fit to each wire after cutting to desired length.
Wires that connect to the key switch panel. Included terminal ends may be fit to each wire after cutting to desired length.
Wires that connect to the key switch panel. Included terminal ends may be fit to each wire after cutting to desired length.

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Wires that connect to fuse #2.
Wires that connect to fuse #2.
Wires that connect to fuse #2.

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Wires that connect to the tail light.
Wires that connect to the tail light.
Wires that connect to the tail light.

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Wires that connect to the rear brake light switch.
Wires that connect to the rear brake light switch.
Wires that connect to the rear brake light switch.

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Wire that connects to the voltage regulator (other end connects to dash warning light).
Wire that connects to the voltage regulator (other end connects to dash warning light).
Wire that connects to the voltage regulator (other end connects to dash warning light).

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Wire that connects to the coil positive terminal (power comes from key switch panel).
Wire that connects to the coil positive terminal (power comes from key switch panel).
Wire that connects to the coil positive terminal (power comes from key switch panel).

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Wire that connects to the neutral switch under the transmission (other end connects to the dash indicator light).
Wire that connects to the neutral switch under the transmission (other end connects to the dash indicator light).
Wire that connects to the neutral switch under the transmission (other end connects to the dash indicator light).

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Wire that connects to fuse #1 (other end goes to the key switch panel to provide power).
Wire that connects to fuse #1 (other end goes to the key switch panel to provide power).
Wire that connects to fuse #1 (other end goes to the key switch panel to provide power).

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Wire that connects to the starter solenoid (other end goes to starter button wiring).
Wire that connects to the starter solenoid (other end goes to starter button wiring).
Wire that connects to the starter solenoid (other end goes to starter button wiring).

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Laverda 750 GT American Eagle Main harness
Laverda 750 GT American Eagle Main harness
Laverda 750 GT American Eagle Main harness

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 USD $80.00

Sub-harnesses for the Laverda 750 GT American Eagle

Description Photo Price

Battery ground

Connects the battery ground terminal to the frame.
Battery ground.
Battery ground.
Battery ground.

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 USD $10.00

Battery positive to starter relay

Connects the battery positive terminal to the starter relay. Includes rubber boot for connection at the starter relay (as original).
Battery positive to starter relay.
Battery positive to starter relay.
Battery positive to starter relay.

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 USD $17.00

Starter relay to starter

Connects the starter relay to the starter. Includes rubber boots for connections at the starter relay and starter (as original).
Starter relay to starter.
Starter relay to starter.
Starter relay to starter.

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 USD $17.75

Starter solenoid ground

Connects the starter solenoid to ground.
Starter solenoid ground.
Starter solenoid ground.
Starter solenoid ground.

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 USD $2.50

Voltage regulator B+ to battery positive

Connects the voltage regulator B+ terminal to the battery positive terminal. Includes rubber boot for connection at the voltage regulator (as original).
Voltage regulator B+ to battery positive.
Voltage regulator B+ to battery positive.
Voltage regulator B+ to battery positive.

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 USD $7.75

Generator to voltage regulator

Connects the generator to the voltage regulator.

Generator to voltage regulator.
Generator to voltage regulator.
Generator to voltage regulator.

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Generator to voltage regulator.
Generator to voltage regulator.
Generator to voltage regulator.

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Generator to voltage regulator.
Generator to voltage regulator.
Generator to voltage regulator.

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 USD $18.25

Voltage regulator ground

Connects the voltage regulator to ground..
Voltage regulator ground.
Voltage regulator ground.
Voltage regulator ground.

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 USD $2.50

Ignition points to coils

Connects both ignition points to the negative terminals on each coil. Includes rubber boots for connections at each coil (as original).
Ignition points to coils.
Ignition points to coils.
Ignition points to coils.

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 USD $11.25

Coil positive to coil positive

Connects the positive terminal on one coil to the positive terminal on the other coil. Include rubber boots for connections at each coil (as original).
Coil positive to coil positive.
Coil positive to coil positive.
Coil positive to coil positive.

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 USD $7.50

Battery positive to fuse 1

Connects the battery positive terminal to fuse 1.
Battery positive to fuse 1.
Battery positive to fuse 1.
Battery positive to fuse 1.

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 USD $2.50

Starter button

Connects the starter button to the main harness. Includes necessary close-quarters flag terminals, as necessitated by the starter button (as original).
Starter button.
Starter button.
Starter button.

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 USD $9.00

Headlight plug (duplicated from serial number 1399)

Connects the headlight plug to the key switch panel. This variation uses brown, black, and yellow colored wires and was duplicated from a motorcycle with serial number 1399. Included terminal ends may be fit to each wire after cutting to desired length.
Headlight plug.
Headlight plug.
Headlight plug.

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 USD $10.50

Headlight plug (duplicated from serial number 1424)

Connects the headlight plug to the key switch panel. This variation uses brown, black, and gray colored wires and was duplicated from a motorcycle with serial number 1424. Included terminal ends may be fit to each wire after cutting to desired length.
Headlight plug.
Headlight plug.
Headlight plug.

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 USD $10.50

Headlight high/low switch and horn button (duplicated from serial number 1399)

Connects the headlight high/low switch and horn button to the main harness and key switch panel. This variation uses white, black, yellow, and green colored wires and was duplicated from a motorcycle with serial number 1399. Included terminal ends may be fit to each wire after cutting to desired length.
Headlight high/low switch and horn button.
Headlight high/low switch and horn button.
Headlight high/low switch and horn button.

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 USD $9.50

Headlight high/low switch and horn button (duplicated from serial number 1424)

Connects the headlight high/low switch and horn button to the main harness and key switch panel. This variation uses Yellow/black, black, gray, and blue/black colored wires and was duplicated from a motorcycle with serial number 1424. Included terminal ends may be fit to each wire after cutting to desired length.
Headlight high/low switch and horn button.
Headlight high/low switch and horn button.
Headlight high/low switch and horn button.

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 USD $9.50

Warning light to warning light

Connects one warning light to the other warning light.
Warning light to warning light.
Warning light to warning light.
Warning light to warning light.

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 USD $2.50

Key switch panel to warning light

Connects the key switch panel to one of the warning lights.
Key switch panel to warning light.
Key switch panel to warning light.
Key switch panel to warning light.

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 USD $2.50

Key switch panel to speedometer and tachometer illumination bulbs

Connects the key switch panel to the illumination bulbs for both the speedometer and tachometer. After fitting through bulb holders, tie a single knot in the wire (as original) such that the wire assembly cannot be pulled out from the top (use your original as a guide). Included terminal ends may be fit to each wire after cutting to desired length.
Key switch panel to speedometer and tachometer illumination bulbs.
Key switch panel to speedometer and tachometer illumination bulbs.
Key switch panel to speedometer and tachometer illumination bulbs.

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 USD $6.50