You can now easily convert your old Vespa PX with battery
A modern electrical system without a battery on your scooter does not destroy the optics, it is a invisible and economical additional gain in security and comfort, then
- Without a battery, there is no need to purchase / replace or maintain the battery
- Your electrics and all consumers work regardless of the condition or charge level of the battery
- You efficiently prevent corrosion damage to your Vespa PX from battery / battery acid that has boiled over
- Significantly more safety through increased light output = increased visibility = better to be seen & and better seeing
Conversion wiring harness for all Vespa PX models built up to 1982
This wiring harness is perfect for connecting your Vespa PX, which has a battery from the Piaggio factory, to a modern and maintenance-free Electrical system retrofitting without battery. We offer an inexpensive and practical set with all the new switches and ignition lock you need (BGM6685KT).
In addition, this is for an exchange / restoration of the PX wiring harness in the Italian version for models without battery. In this case, the indicators, the horn (so-called buzzing) and all other consumers are supplied with power directly via the AC on-board network. The ignition base plate used in these vehicles is suitable for this with only 3 cables (contact ignition models) or 5 cables (vehicles with electronic ignition).
Vehicle models:
- Vespa (Piaggio) P 80 X (V8X1T, -1983)
- Vespa (Piaggio) P 150 X (VLX1T, -1980)
- Vespa (Piaggio) PX 150 E (VLX1T, 1981-1983)
- Vespa (Piaggio) P 125 X (VNX1T, -1983)
- Vespa (Piaggio) P 200 E (VSX1T, -1980)
- Vespa (Piaggio) PX 200 E (VSX1T, 1981-1983)
Vespa PX battery-free: conversion without battery
For the conversion of your scooter to the modern electrics, you need the following parts and in the future you will save the battery, the wintering and the care / maintenance of the vehicle battery
- VOLTAGE REGULATOR
Basically, the simple 3-pin voltage regulator (G | G | M) is used with this wiring harness (e.g. 9100001). The originally used 5-pin voltage regulator (A | A | B + | G | M) can still be used in vehicles that were delivered from the factory with a battery. Only connections B + and G remain unoccupied (formerly charging current for the battery). A better alternative is the compact and powerful BGM Pro voltage regulator (BGM6690). This can, for example, also supply a USB socket with 12V DC voltage for charging the mobile phone / navigation system etc. - IGNITION / IGNITION BASE PLATE / LIMA
The type with 5 cables is used as the ignition base plate (also recognizable by the blue and black cables for the single power supply). The original 7-wire Lima of the battery models can no longer be used. However, due to their age, these very often show damage to the cable insulation anyway. A conversion to the more powerful ignition base plate of the later Lusso models (e.g. BGM8025N or BGM8032N) is therefore highly recommended. This increases the overall light output of the AC network considerably, as no more electricity is diverted to charge the battery. This means that old PX models can also be equipped with a 35 / 35W lamp. Most 5-wire alternators have a circular connector. The wiring harness offered here has (as in the Italian original) 6,3mm flat plugs. Either the wiring harness can be converted to a circular connector or the ignition base plate to a flat connector. The necessary parts can be found in the accessories. - FLASHING RELAY
The battery models use a DC (direct current) flasher relay.
After the conversion, an AC (alternating current) flasher relay is required (e.g. 1195703). - INSTRUCTIONS / WIRING DIAGRAM
The following will help you connect the cables Instructions / wiring diagram.
Checklist: Spare parts / parts that are connected to the wiring harness
In order for everything to work, you should go through this list and check that your old parts are still OK. If not, you can order them directly in our Vespa shop using the link:
- horn 232K15
- Front left turn signal 9520155S
- Front right turn signal 9520049S
- Indicator light turn signal 9520072*
- Indicator light turn signal 7675200**
- Control lamp light 9520074*
- Control lamp light 7675201**
- Ignition lock 4350063
- light switch 7676859
- turn signal switch 7676856
- Brake Light Switch 9520018
- clipboard 1163603
- flasher relay 1195703
- ignition BGM8025 / -N
- Voltage Regulators 9100001
- Permanent BGM6668KT
- Cable box 1149082
- Turn signal connector 9520077
- Indicator rear left 9520046S
- Indicator rear right 9520047S
- Taillight 5320007
- Bulb BA20d 12V 35 / 35W 9512035
- Bulb BA15s 12V 5W 9512005
- Bulb BA15s 12V 10W 9512110
- Bulb BA15s 12V 21W 9512013
- Bulb BA7s 12V 2W 9512115
- Bulb BA7s 12V 2W 9512115*
- Bulb W2 x 4,6d 12V 2W 9512027**
- Bulb BA7s 12V 2W 9512115*
- Bulb W2 x 4,6d 12V 2W 9512027**
* 9512115? 9520072 + 9520074 / ** 9512027? 7675200 + 7675201
CONCLUSION: Absolutely sensible conversion to modern, more powerful and maintenance-free electrics
Tutorial installation wiring harness video instructions
This is a PX Lusso harness, it has different connections, so don't get confused. The basic principle of the pull-in is the same and this video tutorial may help you to route and connect the wiring harness in the body of your Vespa.
